Cheap flights from Philadelphia (PHL) to Sofia (SOF) from $615

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. 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.
PHL — SOF
Jun 2 — Jun 91

The best prices from Philadelphia to Sofia are usually found in November or February, booked 13 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Philadelphia to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Sofia (SOF). 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

June

Cheapest in

November

Average price

$1,046

Round-trip from

$660
High demand for flights, 27% potential price rise
Best time to find cheap flights, 31% potential price drop
Average for round-trip flights in May 2024
From Philadelphia to Sofia

What is the cheapest day to fly round-trip from Philadelphia to Sofia?

Users have found that flying from Philadelphia to Sofia on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Philadelphia to Sofia?

Travelers have found it’s best to book a flight 14 days in advance to save up to 229% 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 14 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 Philadelphia to Sofia 1-2 weeks in advance for as low as $525, or $1,791 for flights within the next 24 hours.

What is the cheapest month to fly from Philadelphia to Sofia?

November can be a great time to fly to Sofia from Philadelphia with a flight ticket averaging about $1,009. Cheapflights users have found deals in the month of November for as cheap as $529. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Philadelphia to Sofia (PHL - SOF)?

One of the essential ways to save on airfare from Philadelphia to Sofia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

Cheap Lufthansa flights from Philadelphia to Sofia

Explore cheap flight options specifically provided by Lufthansa for the route between Philadelphia and Sofia. 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.
Find some of the cheapest Lufthansa flights traveling from Philadelphia to Sofia. Come back soon if you're not finding the exact deal you're looking for.
Tue 10/296:45 pmPHL - SOF
1 stop17h 05mLufthansa
Thu 11/76:00 amSOF - PHL
1 stop17h 00mLufthansa
Deal found 5/28$621
Tue 7/95:35 pmPHL - SOF
1 stop12h 45mLufthansa
Wed 7/246:30 amSOF - PHL
1 stop16h 30mLufthansa
Deal found 5/27$1,200
Tue 6/255:35 pmPHL - SOF
1 stop22h 00mLufthansa
Thu 7/46:30 amSOF - PHL
1 stop16h 30mLufthansa
Deal found 5/28$1,231
Sat 7/135:35 pmPHL - SOF
1 stop12h 45mLufthansa
Sun 8/116:30 amSOF - PHL
1 stop16h 30mLufthansa
Deal found 5/27$1,284
Sat 7/135:35 pmPHL - SOF
2 stops18h 10mLufthansa
Sun 8/116:30 amSOF - PHL
1 stop16h 30mLufthansa
Deal found 5/27$1,310
Wed 7/175:35 pmPHL - SOF
1 stop17h 30mLufthansa
Sat 7/2712:00 pmSOF - PHL
1 stop35h 00mLufthansa
Deal found 5/28$1,372

Cheap United Airlines flights from Philadelphia to Sofia

Explore cheap flight options specifically provided by United Airlines for the route between Philadelphia and Sofia. 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.
Some of the lowest-priced United Airlines flights we've found at this time heading from Philadelphia to Sofia. Deals are refreshing constantly so come back soon for more options.
Wed 11/65:45 pmPHL - SOF
1 stop21h 40mUnited Airlines
Wed 11/206:00 amSOF - PHL
1 stop17h 00mUnited Airlines
Deal found 5/28$622
Tue 10/2912:40 pmPHL - SOF
2 stops23h 30mUnited Airlines
Thu 11/76:00 amSOF - PHL
1 stop17h 00mUnited Airlines
Deal found 5/28$626
Tue 6/258:00 amPHL - SOF
2 stops27h 45mUnited Airlines
Thu 7/412:55 pmSOF - PHL
2 stops17h 17mUnited Airlines
Deal found 5/28$989
Wed 6/195:35 pmPHL - SOF
1 stop22h 00mUnited Airlines
Fri 7/56:00 amSOF - PHL
2 stops24h 12mUnited Airlines
Deal found 5/27$1,145
Tue 6/258:00 amPHL - SOF
2 stops27h 45mUnited Airlines
Thu 7/46:30 amSOF - PHL
1 stop16h 30mUnited Airlines
Deal found 5/28$1,217
Wed 6/195:35 pmPHL - SOF
2 stops22h 25mUnited Airlines
Fri 7/512:55 pmSOF - PHL
2 stops17h 17mUnited Airlines
Deal found 5/27$1,265

Cheap Philadelphia to Sofia flights in May & June 2024

Find cheap flight options from Philadelphia to Sofia 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.
These are some of the best deals we've found on flights to Sofia in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 6/258:00 amPHL - SOF
2 stops27h 45mUnited Airlines
Thu 7/412:55 pmSOF - PHL
2 stops17h 17mUnited Airlines
Deal found 5/28$989
Wed 6/195:35 pmPHL - SOF
1 stop22h 00mUnited Airlines
Fri 7/56:00 amSOF - PHL
2 stops24h 12mUnited Airlines
Deal found 5/27$1,145
Wed 6/197:20 pmPHL - SOF
1 stop18h 10mMultiple Airlines
Fri 7/52:30 pmSOF - PHL
1 stop29h 15mMultiple Airlines
Deal found 5/27$1,176
Tue 6/258:00 amPHL - SOF
2 stops27h 45mUnited Airlines
Thu 7/46:30 amSOF - PHL
1 stop16h 30mUnited Airlines
Deal found 5/28$1,217
Tue 6/255:35 pmPHL - SOF
1 stop22h 00mLufthansa
Thu 7/46:30 amSOF - PHL
1 stop16h 30mLufthansa
Deal found 5/28$1,231
Wed 6/195:35 pmPHL - SOF
2 stops22h 25mUnited Airlines
Fri 7/512:55 pmSOF - PHL
2 stops17h 17mUnited Airlines
Deal found 5/27$1,265
Wed 6/195:35 pmPHL - SOF
3 stops18h 15mMultiple Airlines
Fri 7/56:30 amSOF - PHL
2 stops15h 59mMultiple Airlines
Deal found 5/27$1,389

Philadelphia to Sofia 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Sofia 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.
These are some of the best deals we've found on flights to Sofia in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 11/1310:11 amPHL - SOF
2 stops24h 39mMultiple Airlines
Wed 11/276:00 amSOF - PHL
2 stops15h 57mMultiple Airlines
Deal found 5/27$615
Wed 11/63:40 pmPHL - SOF
2 stops14h 20mMultiple Airlines
Wed 11/206:00 amSOF - PHL
2 stops23h 35mMultiple Airlines
Deal found 5/28$616
Wed 11/65:45 pmPHL - SOF
1 stop21h 40mMultiple Airlines
Wed 11/206:00 amSOF - PHL
2 stops40h 55mMultiple Airlines
Deal found 5/28$617
Tue 10/296:45 pmPHL - SOF
1 stop17h 05mLufthansa
Thu 11/76:00 amSOF - PHL
1 stop17h 00mLufthansa
Deal found 5/28$621
Wed 11/65:45 pmPHL - SOF
1 stop21h 40mUnited Airlines
Wed 11/206:00 amSOF - PHL
1 stop17h 00mUnited Airlines
Deal found 5/28$622
Tue 10/2912:40 pmPHL - SOF
2 stops23h 30mUnited Airlines
Thu 11/76:00 amSOF - PHL
1 stop17h 00mUnited Airlines
Deal found 5/28$626
Tue 10/293:40 pmPHL - SOF
2 stops20h 10mMultiple Airlines
Thu 11/76:35 pmSOF - PHL
2 stops27h 22mMultiple Airlines
Deal found 5/27$627
Tue 10/297:35 pmPHL - SOF
1 stop12h 35mMultiple Airlines
Thu 11/77:00 amSOF - PHL
1 stop15h 30mMultiple Airlines
Deal found 5/27$815
Wed 11/136:40 pmPHL - SOF
1 stop13h 15mMultiple Airlines
Wed 11/273:00 pmSOF - PHL
1 stop29h 30mMultiple Airlines
Deal found 5/27$833

Find flights from Philadelphia to Sofia within your budget

Customize your flight search to find flights from Philadelphia to Sofia 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

$615 - $1,281

Route

Depart

Return

Price

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 11/13

2 stops24h 39m

Sofia

Wed 11/27

2 stops15h 57m

$615

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 11/6

2 stops14h 20m

Sofia

Wed 11/20

2 stops23h 35m

$616

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 11/6

1 stop21h 40m

Sofia

Wed 11/20

2 stops40h 55m

$617

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 10/29

1 stop17h 05m

Sofia

Thu 11/7

1 stop17h 00m

$621

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 11/6

1 stop21h 40m

Sofia

Wed 11/20

1 stop17h 00m

$622

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 10/29

2 stops23h 30m

Sofia

Thu 11/7

1 stop17h 00m

$626

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 10/29

2 stops20h 10m

Sofia

Thu 11/7

2 stops27h 22m

$627

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 7/17

2 stops21h 30m

Sofia

Sat 7/27

2 stops32h 54m

$1,124

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sat 7/13

2 stops29h 30m

Sofia

Sun 8/11

2 stops22h 04m

$1,281

Flights are sorted by cheapest first

Deals found on 5/27

When is the best time to book a flight from Philadelphia to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Sofia. Price data was last updated on May 24, 2024.
Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Philadelphia to Sofia?

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

Have a flexible travel schedule? Discover the best time to fly to Sofia from Philadelphia 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 Sofia by month

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

SOF

Temperature

30.2 - 68 °F

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated May 28, 2024.
Read reviews from past customers who have flown Lufthansa, United Airlines and British Airways from Philadelphia to Sofia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
10,799 reviews

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

7.4
Good
10,799 reviews
7.4
Good
10,799 reviews

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

7.0
Good
6,988 reviews
7.4
Good
10,799 reviews

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

7.0
Good
7,594 reviews
7.4
Good
10,799 reviews

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

6.8
Okay
6,766 reviews
7.4
Good
10,799 reviews

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Sofia. 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 Philadelphia to Sofia for under $700 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Sofia for under $700. The cheapest flight booked recently is on Multiple Airlines for just $615, but on average you can expect to pay $915.

  • What are the cheapest airlines flying from Philadelphia to Sofia round-trip?

    According to our current data, Lufthansa ($621), United Airlines ($622), and British Airways ($1,124) offers the cheapest pricing from Philadelphia to Sofia. These flights start at 38% lower than the current average price 3 months from now.

  • What does PHL to SOF mean?

    Philadelphia Airport is PHL and Sofia Airport is SOF. 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.

  • Can I find deals for flights from Philadelphia to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Sofia 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 Philadelphia to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Sofia 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 Philadelphia to Sofia that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Sofia?

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

  • Can I find deals for business class flights from Philadelphia to Sofia?

    Yes. Cheapflights offers flight deals from Philadelphia to Sofia 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 Philadelphia to Sofia that allow pets onboard?

    Many airlines flying from Philadelphia to Sofia 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 Philadelphia to Sofia?

    Yes, you can often find last-minute deals on Philadelphia to Sofia 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 Philadelphia to Sofia flight deals updated?

    The Philadelphia to Sofia flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from Philadelphia to Sofia?

  • When is the best time to book a flight from Philadelphia to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Sofia (average of $660). Flying from Philadelphia to Sofia in June is currently the most expensive (average of $1,270). 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.

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Alternative routes for Philadelphia to Sofia
See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Philadelphia to Sofia

Discover the top 4 airlines that operate flights from Philadelphia to Sofia. 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
British AirwaysCheapest$601Average$926FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$605Average$1,332FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$824Average$1,184FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest$1,314Average$1,328FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Search flights from Philadelphia to Sofia by cabin class

Find flights from Philadelphia to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 Philadelphia to Sofia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Philadelphia to Sofia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Sofia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Philadelphia to Sofia.

Can Cheapflights find flights from Philadelphia to Sofia with no change fees?

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

Can Cheapflights notify me if prices for flights from Philadelphia to Sofia become cheaper?

Yes! Start tracking prices for Philadelphia to Sofia 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.

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