HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Dulles Intl (IAD) to San Juan from $138

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — SJU
Jun 3 — Jun 101
From?
To?
Mon 6/3
Mon 6/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Washington, D.C. Dulles Intl to San Juan are usually found in September or October, booked 24 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Dulles Intl to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 29, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$248

One-way from

$161
High demand for flights, 29% potential price rise
Search Deals
Best time to find cheap flights, 32% potential price drop
Search Deals
From Washington, D.C. Dulles Intl to San Juan
Search Deals
One-way flight from Washington, D.C. Dulles Intl to San Juan
Search Deals

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to San Juan?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Juan. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to San Juan?

To save up to 35% on this flight, we recommend booking at least 30 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to San Juan from $225 1-2 weeks out and tickets from $283 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to San Juan?

Flights from Washington, D.C. Dulles Intl Airport to San Juan lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to San Juan in October, with the cheapest ticket starting at $95.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to San Juan (IAD - SJU)?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Juan in the evening. Doing so could potentially save you 58% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap United Airlines flights from Dulles Intl to San Juan

Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Check out some of the cheapest United Airlines flights we've come across from Washington, D.C. to San Juan. Make sure to double check the flight details before booking.
Tue 10/19:00 amIAD - SJU
Nonstop3h 55mUnited Airlines
Tue 10/14:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/27$269
Tue 10/16:03 amIAD - SJU
1 stop7h 42mUnited Airlines
Tue 10/14:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/27$274
Tue 10/19:00 amIAD - SJU
Nonstop3h 55mUnited Airlines
Sun 10/64:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/27$275
Tue 10/16:30 amIAD - SJU
1 stop8h 39mUnited Airlines
Sun 10/64:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/27$280
Mon 9/28:55 amIAD - SJU
Nonstop3h 55mUnited Airlines
Sat 9/74:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/28$315
Sat 9/146:04 amIAD - SJU
1 stop7h 41mUnited Airlines
Sat 9/141:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/27$318
Sat 9/148:55 amIAD - SJU
Nonstop3h 55mUnited Airlines
Tue 9/171:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/27$320
Tue 10/16:18 amIAD - SJU
1 stop9h 24mUnited Airlines
Mon 10/71:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/27$324
Sat 6/295:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Thu 7/44:55 pmSJU - IAD
Nonstop3h 59mUnited Airlines
Deal found 5/27$334

Cheap American Airlines flights from Dulles Intl to San Juan

Explore cheap flight options specifically provided by American Airlines for the route between Dulles Intl and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Some of the best deals we've found on American Airlines flights traveling from Washington, D.C. to San Juan. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 6/111:13 pmIAD - SJU
1 stop9h 17mAmerican Airlines
Wed 6/128:00 amSJU - IAD
1 stop15h 59mAmerican Airlines
Deal found 5/28$473
Fri 6/76:00 amIAD - SJU
1 stop18h 15mAmerican Airlines
Wed 6/128:00 amSJU - IAD
1 stop15h 59mAmerican Airlines
Deal found 5/27$498
Mon 6/32:14 pmIAD - SJU
1 stop6h 01mAmerican Airlines
Wed 6/53:49 pmSJU - IAD
1 stop17h 09mAmerican Airlines
Deal found 5/27$501
Wed 6/129:28 amIAD - SJU
1 stop13h 02mAmerican Airlines
Wed 6/193:49 pmSJU - IAD
1 stop17h 09mAmerican Airlines
Deal found 5/28$547
Wed 6/129:28 amIAD - SJU
1 stop13h 02mAmerican Airlines
Wed 6/193:49 pmSJU - IAD
1 stop17h 09mAmerican Airlines
Deal found 5/28$559
Thu 6/69:28 amIAD - SJU
1 stop13h 02mAmerican Airlines
Thu 6/133:49 pmSJU - IAD
1 stop17h 09mAmerican Airlines
Deal found 5/28$564
Fri 5/315:02 amIAD - SJU
1 stop12h 03mAmerican Airlines
Wed 6/53:49 pmSJU - IAD
1 stop17h 09mAmerican Airlines
Deal found 5/28$576
Wed 6/129:28 amIAD - SJU
1 stop13h 02mAmerican Airlines
Sat 6/158:00 amSJU - IAD
1 stop15h 59mAmerican Airlines
Deal found 5/28$619
Thu 5/3011:48 amIAD - SJU
1 stop8h 27mAmerican Airlines
Thu 6/63:49 pmSJU - IAD
1 stop8h 10mAmerican Airlines
Deal found 5/28$627

Cheap Dulles Intl to San Juan flights in May & June 2024

Find cheap flight options from Dulles Intl to San Juan specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 29, 2024.
Check out some of the best flight deals from Washington, D.C. to San Juan in 2024. For more flight deals, be sure to check back very soon.
Tue 6/186:00 amIAD - SJU
1 stop10h 32mDelta
Wed 6/267:30 amSJU - IAD
1 stop10h 49mDelta
Deal found 5/28$336
Sat 6/295:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Tue 7/21:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/28$343
Wed 6/1212:55 pmIAD - SJU
3 stops14h 15mMultiple Airlines
Sat 6/156:38 pmSJU - IAD
3 stops21h 17mMultiple Airlines
Deal found 5/28$349
Sun 6/165:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Thu 6/204:55 pmSJU - IAD
Nonstop3h 59mUnited Airlines
Deal found 5/28$360
Sun 6/165:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Thu 6/201:30 pmSJU - IAD
1 stop8h 59mUnited Airlines
Deal found 5/28$365
Thu 6/2012:35 pmIAD - SJU
1 stop10h 34mDelta
Wed 6/266:10 amSJU - IAD
1 stop9h 48mDelta
Deal found 5/28$370
Sat 6/295:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Wed 7/31:30 pmSJU - IAD
1 stop9h 05mUnited Airlines
Deal found 5/28$375
Sat 6/298:25 amIAD - SJU
3 stops18h 45mMultiple Airlines
Wed 7/39:06 pmSJU - IAD
3 stops19h 14mMultiple Airlines
Deal found 5/28$384
Tue 6/115:03 pmIAD - SJU
1 stop7h 13mDelta
Thu 8/17:30 amSJU - IAD
1 stop10h 45mDelta
Deal found 5/28$389

Dulles Intl to San Juan 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Check out some of the best flight deals from Washington, D.C. to San Juan in 2024. For more flight deals, be sure to check back very soon.
Thu 9/269:00 amIAD - SJU
Nonstop3h 55mUnited Airlines
Mon 9/304:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/28$275
Thu 9/269:00 amIAD - SJU
Nonstop3h 55mUnited Airlines
Sat 9/281:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/28$280
Sat 9/146:00 amIAD - SJU
1 stop10h 04mDelta
Wed 9/188:00 amSJU - IAD
1 stop8h 30mDelta
Deal found 5/28$284
Sat 8/3111:04 amIAD - SJU
1 stop11h 03mDelta
Sun 9/87:30 amSJU - IAD
1 stop8h 29mDelta
Deal found 5/28$304
Fri 7/57:05 amIAD - SJU
1 stop9h 26mDelta
Wed 7/107:15 amSJU - IAD
1 stop10h 01mDelta
Deal found 5/28$310
Sun 9/18:55 amIAD - SJU
Nonstop3h 55mUnited Airlines
Sat 9/74:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/28$315
Sat 9/146:04 amIAD - SJU
1 stop7h 41mUnited Airlines
Sat 9/141:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/27$318
Sat 7/65:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Tue 7/161:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/28$320
Sun 10/66:03 amIAD - SJU
1 stop7h 42mUnited Airlines
Sat 10/121:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/28$324

Non-stop flights to San Juan from Dulles Intl

Discover non-stop flight options from Dulles Intl to San Juan. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
For a shorter flight, select one of these non-stop flights from Washington, D.C. to San Juan. Users seeking other options on flights from Washington, D.C. to San Juan should update the search form at the top of the page.
Thu 8/228:55 amIAD - SJU
Nonstop3h 55mUnited Airlines
Thu 8/294:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/27$315
Sat 6/295:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Thu 7/44:55 pmSJU - IAD
Nonstop3h 59mUnited Airlines
Deal found 5/27$334
Sat 8/175:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Sat 8/244:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/28$340
Sun 8/188:35 amIAD - SJU
Nonstop3h 54mUnited Airlines
Fri 8/234:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/28$360
Sun 8/115:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Wed 8/144:55 pmSJU - IAD
Nonstop3h 59mUnited Airlines
Deal found 5/26$366
Sun 8/115:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Sun 8/187:25 amSJU - IAD
Nonstop3h 58mUnited Airlines
Deal found 5/28$376
Thu 8/158:35 amIAD - SJU
Nonstop3h 54mUnited Airlines
Thu 8/224:55 pmSJU - IAD
Nonstop3h 57mUnited Airlines
Deal found 5/28$381
Sat 8/178:35 amIAD - SJU
Nonstop3h 54mUnited Airlines
Sat 8/174:55 pmSJU - IAD
Nonstop3h 59mUnited Airlines
Deal found 5/28$399
Mon 7/228:35 amIAD - SJU
Nonstop3h 54mUnited Airlines
Mon 7/297:25 amSJU - IAD
Nonstop3h 58mUnited Airlines
Deal found 5/27$402

Dulles Intl to San Juan flights leaving soon

Find last-minute flight options from Dulles Intl to San Juan for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Users seeking a last-minute flight from Washington, D.C. to San Juan should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 6/1212:55 pmIAD - SJU
3 stops14h 15mMultiple Airlines
Sat 6/156:38 pmSJU - IAD
3 stops21h 17mMultiple Airlines
Deal found 5/28$349
Tue 6/115:03 pmIAD - SJU
1 stop7h 13mDelta
Thu 8/17:30 amSJU - IAD
1 stop10h 45mDelta
Deal found 5/28$389
Mon 6/108:35 amIAD - SJU
Nonstop3h 54mUnited Airlines
Thu 6/204:55 pmSJU - IAD
Nonstop3h 59mUnited Airlines
Deal found 5/28$405
Tue 6/115:03 pmIAD - SJU
1 stop7h 13mDelta
Tue 6/187:00 amSJU - IAD
1 stop10h 27mDelta
Deal found 5/27$409
Tue 6/118:35 amIAD - SJU
Nonstop3h 54mUnited Airlines
Wed 7/311:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Deal found 5/28$410
Tue 6/115:35 pmIAD - SJU
3 stops29h 37mMultiple Airlines
Tue 6/188:06 pmSJU - IAD
3 stops39h 20mMultiple Airlines
Deal found 5/28$414
Mon 6/312:55 pmIAD - SJU
3 stops33h 29mMultiple Airlines
Wed 6/510:05 pmSJU - IAD
2 stops17h 29mMultiple Airlines
Deal found 5/27$418
Tue 6/1112:55 pmIAD - SJU
3 stops22h 46mMultiple Airlines
Wed 6/1210:05 pmSJU - IAD
2 stops17h 29mMultiple Airlines
Deal found 5/28$420
Wed 6/1212:55 pmIAD - SJU
3 stops22h 35mMultiple Airlines
Wed 6/196:00 amSJU - IAD
2 stops29h 26mMultiple Airlines
Deal found 5/28$427

One-way flights to San Juan from Dulles Intl

Search for one-way flight options from Dulles Intl to San Juan. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
If you're seeking multiple options on one-way flights from Washington, D.C. to San Juan, be sure to check out these deals, which are updated often. Users needing a return flight from Washington, D.C. to San Juan should utilize the search form above.
Sat 7/135:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Deal found 5/27$138
Thu 9/56:00 amIAD - SJU
1 stop10h 44mDelta
Deal found 5/28$142
Thu 7/45:10 pmIAD - SJU
2 stops19h 25mMultiple Airlines
Deal found 5/27$152
Mon 6/1012:55 pmIAD - SJU
3 stops38h 15mMultiple Airlines
Deal found 5/28$154
Sat 7/65:30 pmIAD - SJU
Nonstop3h 54mUnited Airlines
Deal found 5/28$158
Tue 11/58:47 amIAD - SJU
1 stop5h 47mAmerican Airlines
Deal found 5/27$161
Sun 8/46:10 amIAD - SJU
1 stop7h 54mDelta
Deal found 5/28$162
Sun 6/164:24 pmIAD - SJU
2 stops20h 11mMultiple Airlines
Deal found 5/28$166
Tue 7/25:00 pmIAD - SJU
1 stop7h 15mDelta
Deal found 5/27$168

Find flights from Dulles Intl to San Juan within your budget

Customize your flight search to find flights from Dulles Intl to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$269 - $498

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 10/1

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Tue 10/1

Nonstop3h 57m

$269

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 10/1

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Tue 10/1

Nonstop3h 57m

$274

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 10/1

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Sun 10/6

Nonstop3h 57m

$275

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 10/1

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Sun 10/6

Nonstop3h 57m

$280

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 10/19

1 stop7h 03m

San Juan Luis Munoz Marin Intl

Sat 10/26

1 stop8h 30m

$284

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 8/19

1 stop8h 31m

San Juan Luis Munoz Marin Intl

Sat 8/24

1 stop10h 09m

$304

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 7/30

1 stop9h 28m

San Juan Luis Munoz Marin Intl

Wed 8/7

1 stop7h 55m

$310

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Fri 8/23

3 stops24h 10m

San Juan Luis Munoz Marin Intl

Tue 8/27

3 stops19h 39m

$314

Washington, D.C. Dulles IntlSan Juan Luis Munoz Marin Intl

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Fri 6/7

1 stop18h 15m

San Juan Luis Munoz Marin Intl

Wed 6/12

1 stop15h 59m

$498

Flights are sorted by cheapest first

Deals found on 5/27

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to San Juan. Price data was last updated on May 24, 2024.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to San Juan. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to San Juan flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Dulles Intl to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

77 - 82.4 °F

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated May 29, 2024.
Read reviews from past customers who have flown United Airlines, American Airlines and Delta from Washington, D.C. to San Juan. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,476 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to San Juan for under $300 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to San Juan for under $300. The cheapest flight booked recently is on United Airlines for just $269, but on average you can expect to pay $313.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to San Juan for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to San Juan under $400. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to San Juan is less than $401.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to San Juan for under $400?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to San Juan within the next 7 days for less than $400.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Juan round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to San Juan is United Airlines. Our recent data shows that you can find tickets from as low as $269 on this airline. An additional option worth looking into is Delta, starting at $284. United Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Juan one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $138. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to San Juan for a low price.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Juan?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to San Juan on time: Air Canada (90%), Brussels Airlines (86%), United Airlines (84%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to San Juan?

    On average you can expect to pay $895 for a flight from Washington, D.C. Dulles Intl Airport to San Juan. The cheapest flight overall is $149 while the most popular route, (Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl) is currently priced at $269.

  • What does IAD to SJU mean?

    Washington, D.C. Dulles Intl Airport is IAD and San Juan Luis Munoz Marin Intl Airport is SJU. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR).

  • Can I find deals for flights from Dulles Intl to San Juan that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to San Juan flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to San Juan with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to San Juan flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to San Juan that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San Juan.

  • Can I find deals for business class flights from Dulles Intl to San Juan?

    Yes. Cheapflights offers flight deals from Dulles Intl to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to San Juan that allow pets onboard?

    Many airlines flying from Dulles Intl to San Juan offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to San Juan?

    Yes, you can often find last-minute deals on Dulles Intl to San Juan flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to San Juan flight deals updated?

    The Washington, D.C. Dulles Intl Airport to San Juan flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to San Juan?

    When booking a flight from Washington, D.C. Dulles Intl Airport to San Juan, you may want to consider flying on American Airlines, Alaska Airlines or JetBlue as they are the most popular for this route.

  • When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Juan (average of $248). Flying from Washington, D.C. Dulles Intl Airport to San Juan in March is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to San Juan
See prices for flight routes from nearby airports that may be better suited for you.

Baltimore to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights
Baltimore to Aguadilla flights
Baltimore to Culebra flights
Dulles Intl to Aguadilla flights
Baltimore to Vieques flights
Reagan-National to Ponce flights
Reagan-National to Aguadilla flights
Dulles Intl to Culebra flights
Dulles Intl to Ponce flights
Dulles Intl to Vieques flights
Reagan-National to Mayagüez flights
Reagan-National to Culebra flights
Reagan-National to Vieques flights
Baltimore to Mayagüez flights

Top 7 airlines flying from Dulles Intl to San Juan

Discover the top 7 airlines that operate flights from Dulles Intl to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$244FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$111Average$378FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
JetBlueCheapest$130Average$365FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest$249Average$370FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$274Average$517FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$279Average$525FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$308Average$636FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Cincinnati to Orlando flights
Minneapolis to Phoenix flights
Houston to Chicago flights
Los Angeles to Hawaii flights
Florida to New York flights
Dallas to New Orleans flights
New York to Detroit flights
Hawaii to Kaua'i flights
Los Angeles to Dallas flights
New York to Tokyo flights
Austin to Hawaii flights
Washington, D.C. Dulles Intl Airport to Park City flights

Search flights from Dulles Intl to San Juan by cabin class

Find flights from Dulles Intl to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Dulles Intl to San Juan

Find hourly flight availability from Dulles Intl to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 29, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Dulles Intl to San Juan

Explore weekly flight availability from Dulles Intl to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 29, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday5daily flights
Saturday5daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to San Juan?

Cheapflights makes it easy to find Dulles Intl to San Juan flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to San Juan?

Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl to San Juan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Dulles Intl to San Juan with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dulles Intl to San Juan, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dulles Intl to San Juan become cheaper?

Yes! Start tracking prices for Dulles Intl to San Juan flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines