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Cheap flights from Seattle to Key West (SEA - EYW) from $273

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 7/23. 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.
SEA — EYW
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Key West are usually found in August or January, booked 42 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Seattle to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Key West (EYW). 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 28, 2024.

Popular in

April

Cheapest in

August

Round-trip from

$374

One-way from

$273
High demand for flights, 10% potential price rise
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Best time to find cheap flights, 15% potential price drop
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From Seattle/Tacoma Intl to Key West
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One-way flight from Seattle/Tacoma Intl to Key West
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What is the cheapest day to fly round-trip from Seattle to Key West?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 57% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Seattle to Key West?

Travelers have found it’s best to book a flight 42 days in advance to save up to 91% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 42 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Key West 1-2 weeks in advance for as low as $659, or $905 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Key West?

August is one of the best times of the year to fly to Key West from Seattle. Prices for August average $661 per person but you can even find prices for as low as $443. The most expensive prices can be found in the month of April. Opting for a August flight can save you 11% on your journey compared to booking in April

When is the cheapest time to fly from Seattle to Key West (SEA - EYW)?

One of the essential ways to save on airfare from Seattle to Key West is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 2% on airfare.

Cheap Delta flights from Seattle to Key West

Explore cheap flight options specifically provided by Delta for the route between Seattle and Key West. 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 28, 2024.
Take a peek at the cheapest Delta flights we've detected traveling from Seattle to Key West. Make sure to check back often as deals are often changing.
Sat 8/316:00 amSEA - EYW
1 stop8h 08mDelta
Tue 9/37:23 amEYW - SEA
2 stops16h 27mDelta
Deal found 5/27$472
Sat 8/316:00 amSEA - EYW
1 stop8h 08mDelta
Tue 9/36:03 pmEYW - SEA
1 stop8h 50mDelta
Deal found 5/27$528
Sun 9/155:30 pmSEA - EYW
2 stops15h 18mDelta
Fri 9/206:05 pmEYW - SEA
1 stop8h 51mDelta
Deal found 5/27$637
Fri 8/309:15 pmSEA - EYW
1 stop13h 20mDelta
Wed 9/47:23 amEYW - SEA
1 stop10h 19mDelta
Deal found 5/27$657
Sat 8/319:15 pmSEA - EYW
1 stop16h 53mDelta
Wed 9/47:23 amEYW - SEA
1 stop10h 19mDelta
Deal found 5/27$742
Sun 10/65:30 pmSEA - EYW
2 stops15h 18mDelta
Fri 10/117:00 amEYW - SEA
2 stops14h 04mDelta
Deal found 5/28$755
Mon 6/37:59 pmSEA - EYW
2 stops11h 49mDelta
Wed 6/57:05 amEYW - SEA
2 stops19h 11mDelta
Deal found 5/27$825
Fri 6/75:30 pmSEA - EYW
2 stops14h 44mDelta
Mon 6/1012:39 pmEYW - SEA
2 stops14h 32mDelta
Deal found 5/27$830
Mon 6/35:59 pmSEA - EYW
2 stops13h 49mDelta
Mon 6/1012:39 pmEYW - SEA
2 stops14h 32mDelta
Deal found 5/27$845

Cheap American Airlines flights from Seattle to Key West

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Key West. 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 28, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Seattle and landing in Key West. Make sure to examine the flight information before completing your reservation.
Wed 8/285:00 amSEA - EYW
1 stop8h 20mAmerican Airlines
Tue 9/312:47 pmEYW - SEA
1 stop10h 54mAmerican Airlines
Deal found 5/28$525
Wed 8/285:00 amSEA - EYW
2 stops10h 58mAmerican Airlines
Tue 9/312:47 pmEYW - SEA
1 stop10h 54mAmerican Airlines
Deal found 5/28$530
Tue 8/271:14 amSEA - EYW
2 stops10h 50mAmerican Airlines
Tue 9/312:47 pmEYW - SEA
1 stop10h 54mAmerican Airlines
Deal found 5/28$532
Sun 9/16:00 amSEA - EYW
2 stops9h 58mAmerican Airlines
Wed 9/42:55 pmEYW - SEA
2 stops11h 14mAmerican Airlines
Deal found 5/27$535
Wed 7/2411:59 pmSEA - EYW
1 stop11h 08mAmerican Airlines
Tue 7/301:58 pmEYW - SEA
1 stop11h 59mAmerican Airlines
Deal found 5/27$545
Tue 7/2312:13 amSEA - EYW
1 stop9h 51mAmerican Airlines
Tue 7/301:58 pmEYW - SEA
1 stop9h 48mAmerican Airlines
Deal found 5/27$547
Wed 7/2411:59 pmSEA - EYW
1 stop11h 08mAmerican Airlines
Tue 7/3012:45 pmEYW - SEA
2 stops12h 13mAmerican Airlines
Deal found 5/27$550
Tue 7/231:14 amSEA - EYW
1 stop8h 50mAmerican Airlines
Tue 7/3012:45 pmEYW - SEA
2 stops12h 13mAmerican Airlines
Deal found 5/27$552
Wed 7/245:00 amSEA - EYW
2 stops11h 00mAmerican Airlines
Tue 7/3012:45 pmEYW - SEA
2 stops12h 13mAmerican Airlines
Deal found 5/27$557

Cheap Seattle to Key West flights in May & June 2024

Find cheap flight options from Seattle to Key West 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 28, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Key West in 2024. Check back in a little while for more flight options.
Thu 6/139:28 amSEA - EYW
3 stops27h 40mMultiple Airlines
Thu 6/2010:04 amEYW - SEA
3 stops25h 28mMultiple Airlines
Deal found 5/27$479
Thu 6/139:28 amSEA - EYW
2 stops27h 40mMultiple Airlines
Thu 6/2010:04 amEYW - SEA
3 stops25h 28mMultiple Airlines
Deal found 5/27$495
Thu 6/139:28 amSEA - EYW
2 stops27h 40mMultiple Airlines
Thu 6/202:41 pmEYW - SEA
2 stops20h 27mMultiple Airlines
Deal found 5/27$604
Thu 6/1311:59 pmSEA - EYW
1 stop11h 07mAmerican Airlines
Wed 6/194:59 pmEYW - SEA
1 stop8h 58mAmerican Airlines
Deal found 5/27$667
Thu 6/1311:59 pmSEA - EYW
1 stop11h 07mAmerican Airlines
Thu 6/2012:46 pmEYW - SEA
1 stop10h 54mAmerican Airlines
Deal found 5/27$745
Wed 6/1212:20 amSEA - EYW
1 stop9h 41mAmerican Airlines
Thu 6/2012:46 pmEYW - SEA
1 stop9h 41mAmerican Airlines
Deal found 5/27$747
Thu 6/1311:59 pmSEA - EYW
1 stop11h 07mAmerican Airlines
Thu 6/2012:46 pmEYW - SEA
2 stops12h 11mAmerican Airlines
Deal found 5/27$750
Wed 6/1212:20 amSEA - EYW
1 stop9h 41mAmerican Airlines
Thu 6/202:40 pmEYW - SEA
2 stops11h 28mAmerican Airlines
Deal found 5/27$752
Sat 6/18:53 amSEA - EYW
2 stops22h 52mUnited Airlines
Tue 6/410:35 amEYW - SEA
2 stops13h 45mUnited Airlines
Deal found 5/27$775

Seattle to Key West 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Key West 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 28, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Key West in 2024. Check back in a little while for more flight options.
Sat 8/316:00 amSEA - EYW
1 stop8h 08mDelta
Tue 9/37:23 amEYW - SEA
2 stops16h 27mDelta
Deal found 5/27$472
Thu 6/139:28 amSEA - EYW
3 stops27h 40mMultiple Airlines
Thu 6/2010:04 amEYW - SEA
3 stops25h 28mMultiple Airlines
Deal found 5/27$479
Thu 6/139:28 amSEA - EYW
2 stops27h 40mMultiple Airlines
Thu 6/2010:04 amEYW - SEA
3 stops25h 28mMultiple Airlines
Deal found 5/27$495
Wed 8/285:00 amSEA - EYW
1 stop8h 20mAmerican Airlines
Tue 9/312:47 pmEYW - SEA
1 stop10h 54mAmerican Airlines
Deal found 5/28$525
Sat 8/316:00 amSEA - EYW
1 stop8h 08mDelta
Tue 9/36:03 pmEYW - SEA
1 stop8h 50mDelta
Deal found 5/27$528
Wed 8/285:00 amSEA - EYW
2 stops10h 58mAmerican Airlines
Tue 9/312:47 pmEYW - SEA
1 stop10h 54mAmerican Airlines
Deal found 5/28$530
Tue 8/271:14 amSEA - EYW
2 stops10h 50mAmerican Airlines
Tue 9/312:47 pmEYW - SEA
1 stop10h 54mAmerican Airlines
Deal found 5/28$532
Sun 9/16:00 amSEA - EYW
2 stops9h 58mAmerican Airlines
Wed 9/42:55 pmEYW - SEA
2 stops11h 14mAmerican Airlines
Deal found 5/27$535
Wed 7/2411:59 pmSEA - EYW
1 stop11h 08mAmerican Airlines
Tue 7/301:58 pmEYW - SEA
1 stop11h 59mAmerican Airlines
Deal found 5/27$545

Seattle to Key West flights leaving soon

Find last-minute flight options from Seattle to Key West 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 28, 2024.
Check out these flights departing soon from Seattle to Key West. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 6/28:53 amSEA - EYW
2 stops22h 52mUnited Airlines
Tue 6/410:35 amEYW - SEA
2 stops13h 45mUnited Airlines
Deal found 5/27$805
Mon 6/37:59 pmSEA - EYW
2 stops11h 49mDelta
Wed 6/57:05 amEYW - SEA
2 stops19h 11mDelta
Deal found 5/27$825
Fri 6/75:30 pmSEA - EYW
2 stops14h 44mDelta
Mon 6/1012:39 pmEYW - SEA
2 stops14h 32mDelta
Deal found 5/27$830
Sun 6/28:53 amSEA - EYW
2 stops22h 52mUnited Airlines
Mon 6/103:20 pmEYW - SEA
1 stop10h 38mUnited Airlines
Deal found 5/27$832
Sun 6/28:53 amSEA - EYW
2 stops22h 02mUnited Airlines
Sun 6/93:20 pmEYW - SEA
1 stop10h 38mUnited Airlines
Deal found 5/27$842
Mon 6/35:59 pmSEA - EYW
2 stops13h 49mDelta
Mon 6/1012:39 pmEYW - SEA
2 stops14h 32mDelta
Deal found 5/27$845
Mon 6/36:00 amSEA - EYW
1 stop10h 40mDelta
Mon 6/106:00 pmEYW - SEA
1 stop8h 59mDelta
Deal found 5/27$848
Fri 6/73:55 pmSEA - EYW
2 stops16h 19mDelta
Mon 6/106:00 pmEYW - SEA
1 stop8h 59mDelta
Deal found 5/27$852
Sun 6/28:53 amSEA - EYW
2 stops22h 02mUnited Airlines
Fri 6/710:35 amEYW - SEA
2 stops15h 15mUnited Airlines
Deal found 5/27$856

One-way flights to Key West from Seattle

Search for one-way flight options from Seattle to Key West. 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 28, 2024.
Users in need of a one-way flight from Seattle to Key West can choose from these deals. Users needing a return flight from Seattle to Key West should utilize the search form above.
Tue 7/239:47 pmSEA - EYW
1 stop11h 17mAmerican Airlines
Deal found 5/27$273
Mon 7/221:14 amSEA - EYW
1 stop8h 50mAmerican Airlines
Deal found 5/27$274
Mon 7/221:14 amSEA - EYW
2 stops10h 26mAmerican Airlines
Deal found 5/27$279
Tue 7/236:35 pmSEA - EYW
3 stops16h 34mUnited Airlines
Deal found 5/27$334
Wed 6/123:35 pmSEA - EYW
2 stops13h 40mUnited Airlines
Deal found 5/28$403
Wed 6/1211:59 pmSEA - EYW
1 stop9h 07mAmerican Airlines
Deal found 5/27$413
Tue 6/1112:20 amSEA - EYW
1 stop9h 41mAmerican Airlines
Deal found 5/27$414
Tue 6/1112:20 amSEA - EYW
2 stops13h 56mAmerican Airlines
Deal found 5/27$454
Wed 6/1211:05 amSEA - EYW
3 stops20h 30mUnited Airlines
Deal found 5/28$502

Find flights from Seattle to Key West within your budget

Customize your flight search to find flights from Seattle to Key West 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 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$472 - $597

Route

Depart

Return

Price

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sat 8/31

1 stop8h 08m

Key West

Tue 9/3

2 stops16h 27m

$472

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 6/13

3 stops27h 40m

Key West

Thu 6/20

3 stops25h 28m

$479

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 6/13

2 stops27h 40m

Key West

Thu 6/20

3 stops25h 28m

$495

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 8/28

1 stop8h 20m

Key West

Tue 9/3

1 stop10h 54m

$525

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sat 8/31

1 stop8h 08m

Key West

Tue 9/3

1 stop8h 50m

$528

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 8/28

2 stops10h 58m

Key West

Tue 9/3

1 stop10h 54m

$530

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/27

2 stops10h 50m

Key West

Tue 9/3

1 stop10h 54m

$532

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sun 9/1

2 stops9h 58m

Key West

Wed 9/4

2 stops11h 14m

$535

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 8/28

2 stops23h 40m

Key West

Tue 9/3

2 stops25h 42m

$597

Flights are sorted by cheapest first

Deals found on 5/27

When is the best time to book a flight from Seattle to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Key West. Price data was last updated on May 24, 2024.
To ensure you get the cheapest price possible for a flight from Seattle to Key West, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Seattle to Key West?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Key West. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Key West flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday evenings 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 Seattle to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Seattle 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 Key West by month

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

EYW

Temperature

69.8 - 84.2 °F

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated May 28, 2024.
Get a feel of what it's like to fly with Delta, American Airlines and United Airlines from Seattle to Key West by reading reviews from past customers. You can also see how each airline stacks up 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

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

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

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

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

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

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

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Key West. 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 Seattle to Key West for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Key West for under $500. The cheapest flight booked recently is on Delta for just $472, but on average you can expect to pay $564.

  • Are there last-minute flights available from Seattle to Key West for under $900?

    There are currently 20+ open flights from Seattle to Key West within the next 7 days for less than $900.

  • What are the cheapest airlines flying from Seattle to Key West round-trip?

    Our cheapest airline available from Seattle to Key West is Delta. Our recent data shows that you can find tickets from as low as $472 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $525 and $597 round-trip. Delta is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does SEA to EYW mean?

    SEA and EYW are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to EYW refers to a flight route from Seattle/Tacoma Intl Airport to Key West Airport.

  • Can I find deals for flights from Seattle to Key West that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Key West 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 Seattle to Key West with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Key West 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 Seattle to Key West that include hotel bookings?

    Yes. In addition to deals on Seattle to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Key West.

  • Can I find deals for business class flights from Seattle to Key West?

    Yes. Cheapflights offers flight deals from Seattle to Key West 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 Seattle to Key West that allow pets onboard?

    Many airlines flying from Seattle to Key West 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 Seattle to Key West?

    Yes, you can often find last-minute deals on Seattle to Key West 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 Seattle to Key West flight deals updated?

    The Seattle to Key West flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from Seattle to Key West?

    American Airlines, Delta and United Airlines are the most popular airlines when flying from Seattle to Key West.

  • When is the best time to book a flight from Seattle to Key West?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Key West (average of $374). Flying from Seattle to Key West in March is currently the most expensive (average of $504). 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

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Top 3 airlines flying from Seattle to Key West

Discover the top 3 airlines that operate flights from Seattle to Key West. 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 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$446Average$818FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$468Average$657FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$469Average$603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Why should you use Cheapflights to find cheap flight tickets from Seattle to Key West?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key West from Seattle.

Can Cheapflights find flights from Seattle to Key West with no change fees?

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

Can Cheapflights notify me if prices for flights from Seattle to Key West become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key West from Seattle today and book when prices fit your budget.

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