$567+ Cheap flights from Sofia (SOF) to Philadelphia (PHL)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
jul. 23 — jul. 301

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sofia to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Philadelphia (PHL). 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 julio 18, 2024.

Popular in

December

Cheapest in

October

Round-trip from

$583
(Air Canada)

One-way from

$567
(Netflights)
High demand for flights, 48% potential price rise
Best time to find cheap flights, 27% potential price drop
From Sofia to Philadelphia
One-way flight from Sofia to Philadelphia

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

Wednesday flights are generally found to be more expensive for flights from Sofia to Philadelphia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Philadelphia.

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

Flights from Sofia to Philadelphia lean towards being more expensive in December. Prices are generally better when you fly from Sofia to Philadelphia in October, with the cheapest ticket starting at $552.

What is the cheapest time of day to fly from SOF to PHL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sofia to Philadelphia as you normally would.

Cheap Sofia to Philadelphia flights in July & August 2024

Find cheap flight options from Sofia to Philadelphia specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,020 searches. Prices were last updated on julio 18, 2024.
Listed are some of the best fares we've found on flights departing from Sofia to Philadelphia in 2024. Check back regularly for other flight deals.
This Orbitz deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/56:30 amSOF - PHL
1 stop16h 30mMultiple Airlines
jue. 8/225:35 pmPHL - SOF
1 stop17h 30mMultiple Airlines
Deal found 7/18$676
This Orbitz deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/56:30 amSOF - PHL
1 stop16h 30mMultiple Airlines
jue. 8/225:35 pmPHL - SOF
2 stops33h 30mMultiple Airlines
Deal found 7/18$694
This Lufthansa deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/256:00 amSOF - PHL
2 stops17h 00mMultiple Airlines
jue. 8/225:35 pmPHL - SOF
1 stop17h 30mMultiple Airlines
Deal found 7/18$711
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/256:00 amSOF - PHL
2 stops17h 00mUnited Airlines
jue. 8/221:00 pmPHL - SOF
2 stops22h 45mUnited Airlines
Deal found 7/18$714
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/52:05 pmSOF - PHL
2 stops51h 19mUnited Airlines
jue. 8/222:35 pmPHL - SOF
2 stops25h 25mUnited Airlines
Deal found 7/18$782
This mytrip.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/58:00 amSOF - PHL
2 stops15h 00mMultiple Airlines
jue. 8/228:00 amPHL - SOF
3 stops35h 55mMultiple Airlines
Deal found 7/18$1,211
This mytrip.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/55:00 amSOF - PHL
3 stops18h 00mMultiple Airlines
jue. 8/228:00 amPHL - SOF
3 stops44h 05mMultiple Airlines
Deal found 7/18$1,280
This mytrip.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/258:00 amSOF - PHL
2 stops15h 00mMultiple Airlines
jue. 8/228:00 amPHL - SOF
3 stops26h 55mMultiple Airlines
Deal found 7/18$1,410
This mytrip.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/256:00 amSOF - PHL
3 stops32h 02mMultiple Airlines
jue. 8/225:30 amPHL - SOF
3 stops31h 50mMultiple Airlines
Deal found 7/18$1,607

Sofia to Philadelphia 2024 flight deals

Discover exclusive flight deals for travel between Sofia and Philadelphia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,020 searches. Data last updated julio 18, 2024.
Listed are some of the best fares we've found on flights departing from Sofia to Philadelphia in 2024. Check back regularly for other flight deals.
This Air Canada deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/266:30 amSOF - PHL
2 stops22h 06mAir Canada
vie. 11/83:30 pmPHL - SOF
2 stops15h 30mAir Canada
Deal found 7/17$583
This British Airways deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/296:05 pmSOF - PHL
1 stop26h 25mBritish Airways
dom. 11/109:20 pmPHL - SOF
1 stop12h 15mBritish Airways
Deal found 7/18$584
This Air Canada deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/302:10 pmSOF - PHL
2 stops31h 26mMultiple Airlines
vie. 11/83:30 pmPHL - SOF
2 stops15h 30mMultiple Airlines
Deal found 7/17$589
This Lufthansa deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/316:00 amSOF - PHL
1 stop17h 00mMultiple Airlines
vie. 11/83:30 pmPHL - SOF
2 stops14h 30mMultiple Airlines
Deal found 7/18$592
This Lufthansa deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/306:00 amSOF - PHL
1 stop17h 00mLufthansa
mié. 11/65:45 pmPHL - SOF
1 stop12h 45mLufthansa
Deal found 7/18$594
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/266:30 amSOF - PHL
1 stop16h 30mUnited Airlines
mar. 11/54:50 pmPHL - SOF
2 stops18h 20mUnited Airlines
Deal found 7/18$596
This Lufthansa deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/266:30 amSOF - PHL
1 stop16h 30mMultiple Airlines
jue. 11/710:30 amPHL - SOF
2 stops18h 20mMultiple Airlines
Deal found 7/17$597
This American Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/296:05 pmSOF - PHL
2 stops32h 00mAmerican Airlines
jue. 11/76:30 pmPHL - SOF
2 stops17h 55mAmerican Airlines
Deal found 7/17$598
This Air Canada deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/286:05 amSOF - PHL
2 stops22h 31mAir Canada
mié. 11/63:30 pmPHL - SOF
2 stops15h 00mAir Canada
Deal found 7/17$599

One-way flights to Philadelphia from Sofia

Search for one-way flight options from Sofia to Philadelphia. 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 2,689,020 searches. Data last updated julio 18, 2024.
Users in need of a one-way flight from Sofia to Philadelphia can choose from these deals. Users can also find round-trip Sofia to Philadelphia flights by using the search form above.
This Netflights deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/296:05 pmSOF - PHL
1 stop29h 15mBritish Airways
Deal found 7/18$567
This British Airways deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/268:05 pmSOF - PHL
1 stop28h 15mBritish Airways
Deal found 7/18$578
This American Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/268:05 pmSOF - PHL
2 stops43h 05mAmerican Airlines
Deal found 7/18$584
This KLM deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/277:00 amSOF - PHL
2 stops21h 49mKLM
Deal found 7/18$597
This Lufthansa deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/276:00 amSOF - PHL
1 stop17h 00mMultiple Airlines
Deal found 7/18$657
This Kissandfly.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/96:30 amSOF - PHL
2 stops24h 59mLufthansa
Deal found 7/18$720
This Kissandfly.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/108:00 amSOF - PHL
2 stops20h 43mLufthansa
Deal found 7/18$826
This Gotogate deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/106:30 amSOF - PHL
2 stops15h 59mAir Canada
Deal found 7/18$862
This Gotogate deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/106:30 amSOF - PHL
2 stops15h 59mMultiple Airlines
Deal found 7/18$863

Find flights from Sofia to Philadelphia within your budget

Customize your flight search to find flights from Sofia to Philadelphia 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 2,689,020 searches. Data last updated julio 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$583 - $601

Route

Depart

Return

Price

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

sáb. 10/26

2 stops22h 06m

Philadelphia

vie. 11/8

2 stops15h 30m

$583

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

mar. 10/29

1 stop26h 25m

Philadelphia

dom. 11/10

1 stop12h 15m

$584

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

mié. 10/30

2 stops31h 26m

Philadelphia

vie. 11/8

2 stops15h 30m

$589

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

jue. 10/31

1 stop17h 00m

Philadelphia

vie. 11/8

2 stops14h 30m

$592

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

mié. 10/30

1 stop17h 00m

Philadelphia

mié. 11/6

1 stop12h 45m

$594

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

sáb. 10/26

1 stop16h 30m

Philadelphia

mar. 11/5

2 stops18h 20m

$596

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

mar. 10/29

2 stops32h 00m

Philadelphia

jue. 11/7

2 stops17h 55m

$598

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

lun. 10/28

2 stops22h 31m

Philadelphia

mié. 11/6

2 stops15h 00m

$599

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

dom. 10/27

2 stops39h 26m

Philadelphia

lun. 11/4

2 stops27h 30m

$601

Flights are sorted by cheapest first

Deals found on 7/17

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

Use this chart to determine the cheapest time to fly round-trip from Sofia to Philadelphia. Price data was last updated on July 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Sofia to Philadelphia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings 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 Sofia to Philadelphia

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

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

PHL

Temperature

33.8 - 78.8 °F

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated julio 18, 2024.
Read through reviews of airlines operating flights from Sofia to Philadelphia, such as British Airways, Lufthansa and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
7.9
Good
1,427 reviews

Boarding

7.9

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.9

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.9
Good
1,427 reviews
7.9
Good
1,427 reviews

Boarding

7.9

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.9

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.7
Good
4,175 reviews
7.9
Good
1,427 reviews

Boarding

7.9

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.9

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.4
Good
10,000 reviews
7.9
Good
1,427 reviews

Boarding

7.9

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.9

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.3
Good
10,000 reviews
7.9
Good
1,427 reviews

Boarding

7.9

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.9

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

6.9
Okay
7,317 reviews
7.9
Good
1,427 reviews

Boarding

7.9

Food

7.3

Entertainment

7.2

Crew

8.4

Overall

7.9

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Sofia to Philadelphia. 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 Sofia to Philadelphia for under $600 on Cheapflights?

    Yes, there are multiple flights from Sofia to Philadelphia for under $600. The cheapest flight booked recently is on Air Canada for just $583, but on average you can expect to pay $616.

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

    According to our current data, Air Canada ($583), British Airways ($584), and Lufthansa ($594) offers the cheapest pricing from Sofia to Philadelphia. Air Canada is priced at 25% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Sofia to Philadelphia one-way?

    One-way options have recently been found by users for as low as $567 on British Airways. Other airlines that offer cheap prices include American Airlines from $584 and KLM from $597 one-way.

  • What does SOF to PHL mean?

    Sofia Airport is SOF and Philadelphia Airport is PHL. 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 Sofia to Philadelphia that include extra baggage allowance?

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

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

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

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

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

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

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

    Many airlines flying from Sofia to Philadelphia 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 Sofia to Philadelphia?

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

    The Sofia to Philadelphia flight deals you see on this page were last updated on 7/18.

  • What is the cheapest month to book a flight from Sofia to Philadelphia?

    Currently, October is the cheapest month in which you can book a flight from Sofia to Philadelphia (average of $228). Flying from Sofia to Philadelphia in March is currently the most expensive (average of $280). 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 Sofia to Philadelphia
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Sofia to Philadelphia

Discover the top airline that operate flights from Sofia to Philadelphia. 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 2,689,020 searches. Data last updated julio 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$565Average$625FlexibilityNo cancel feeOn-time76%

Search flights from Sofia to Philadelphia by cabin class

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