HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Sofia (SOF) to Philadelphia (PHL) from $571

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 10/29. 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.
SOF — PHL
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 May 30, 2024.

Popular in

December

Cheapest in

October

Average price

$671

Round-trip from

$227
High demand for flights, 48% potential price rise
Search Deals
Best time to find cheap flights, 27% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Sofia to Philadelphia
Search Deals

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

Thursday 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?

It’s optimal to fly from Sofia to Philadelphia at noon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the morning.

Cheap Lufthansa flights from Sofia to Philadelphia

Explore cheap flight options specifically provided by Lufthansa for the route between Sofia and Philadelphia. 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 2,784,634 searches. Data last updated May 30, 2024.
Take a peek at the cheapest Lufthansa flights we've detected traveling from Sofia to Philadelphia. Make sure to check back often as deals are often changing.
Sun 10/276:00 amSOF - PHL
1 stop17h 00mLufthansa
Sun 11/105:45 pmPHL - SOF
1 stop17h 05mLufthansa
Deal found 5/29$591
Mon 6/106:30 amSOF - PHL
1 stop16h 30mLufthansa
Mon 6/175:35 pmPHL - SOF
2 stops22h 25mLufthansa
Deal found 5/29$611
Wed 9/186:30 amSOF - PHL
1 stop16h 30mLufthansa
Wed 10/25:35 pmPHL - SOF
1 stop12h 45mLufthansa
Deal found 5/29$652
Thu 10/316:00 amSOF - PHL
1 stop17h 00mLufthansa
Tue 11/55:45 pmPHL - SOF
1 stop12h 45mLufthansa
Deal found 5/30$883
Thu 10/316:00 amSOF - PHL
1 stop17h 00mLufthansa
Tue 11/55:45 pmPHL - SOF
1 stop12h 45mLufthansa
Deal found 5/29$884

Cheap British Airways flights from Sofia to Philadelphia

Explore cheap flight options specifically provided by British Airways for the route between Sofia and Philadelphia. 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 2,784,634 searches. Data last updated May 30, 2024.
Some of the best deals we've found on British Airways flights traveling from Sofia to Philadelphia. Deals frequently update to provide users with more options.
Sat 10/268:05 pmSOF - PHL
1 stop25h 25mBritish Airways
Thu 11/79:20 pmPHL - SOF
1 stop15h 05mBritish Airways
Deal found 5/30$580
Thu 6/139:20 pmSOF - PHL
1 stop22h 20mBritish Airways
Wed 6/197:20 pmPHL - SOF
1 stop18h 10mBritish Airways
Deal found 5/29$615
Tue 7/169:15 pmSOF - PHL
1 stop22h 30mBritish Airways
Sun 7/286:30 pmPHL - SOF
1 stop17h 40mBritish Airways
Deal found 5/30$839

Cheap Sofia to Philadelphia flights in May & June 2024

Find cheap flight options from Sofia to Philadelphia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 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.
Thu 6/136:00 amSOF - PHL
2 stops24h 18mUnited Airlines
Wed 6/195:35 pmPHL - SOF
1 stop22h 00mUnited Airlines
Deal found 5/29$598
Mon 6/106:30 amSOF - PHL
1 stop16h 30mLufthansa
Mon 6/175:35 pmPHL - SOF
2 stops22h 25mLufthansa
Deal found 5/29$611
Thu 6/139:20 pmSOF - PHL
1 stop22h 20mBritish Airways
Wed 6/197:20 pmPHL - SOF
1 stop18h 10mBritish Airways
Deal found 5/29$615
Mon 6/106:30 amSOF - PHL
1 stop16h 30mUnited Airlines
Mon 6/175:35 pmPHL - SOF
1 stop22h 00mUnited Airlines
Deal found 5/29$620
Thu 6/138:00 amSOF - PHL
2 stops21h 41mAustrian Airlines
Wed 6/195:35 pmPHL - SOF
2 stops17h 25mAustrian Airlines
Deal found 5/29$622
Mon 6/106:00 amSOF - PHL
2 stops25h 40mUnited Airlines
Mon 6/174:10 pmPHL - SOF
2 stops36h 10mUnited Airlines
Deal found 5/29$625

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 2,784,634 searches. Data last updated May 30, 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.
Tue 10/291:45 pmSOF - PHL
2 stops31h 12mAir Canada
Thu 11/73:40 pmPHL - SOF
2 stops14h 20mAir Canada
Deal found 5/30$571
Tue 10/291:45 pmSOF - PHL
2 stops31h 12mMultiple Airlines
Thu 11/75:45 pmPHL - SOF
1 stop12h 35mMultiple Airlines
Deal found 5/30$577
Sat 10/266:30 amSOF - PHL
2 stops22h 06mMultiple Airlines
Tue 11/53:40 pmPHL - SOF
2 stops14h 20mMultiple Airlines
Deal found 5/29$578
Sat 10/268:05 pmSOF - PHL
1 stop25h 25mBritish Airways
Mon 11/49:20 pmPHL - SOF
1 stop12h 50mBritish Airways
Deal found 5/30$580
Tue 10/296:05 amSOF - PHL
2 stops22h 30mAir Canada
Thu 11/74:35 pmPHL - SOF
2 stops18h 15mAir Canada
Deal found 5/30$582
Thu 10/316:00 amSOF - PHL
2 stops22h 35mMultiple Airlines
Fri 11/83:40 pmPHL - SOF
2 stops14h 20mMultiple Airlines
Deal found 5/29$584
Wed 9/186:30 amSOF - PHL
2 stops35h 03mAir Canada
Wed 10/24:10 pmPHL - SOF
2 stops19h 35mAir Canada
Deal found 5/29$585
Sat 10/266:30 amSOF - PHL
2 stops16h 53mUnited Airlines
Sun 11/105:45 pmPHL - SOF
1 stop17h 05mUnited Airlines
Deal found 5/30$586
Tue 10/296:05 amSOF - PHL
2 stops38h 52mMultiple Airlines
Fri 11/83:40 pmPHL - SOF
2 stops14h 20mMultiple Airlines
Deal found 5/30$588

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 2,784,634 searches. Data last updated May 30, 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.
Sat 8/318:05 pmSOF - PHL
2 stops47h 25mBritish Airways
Deal found 5/29$606
Tue 8/2012:25 pmSOF - PHL
2 stops40h 09mMultiple Airlines
Deal found 5/29$651
Tue 8/206:20 amSOF - PHL
3 stops26h 00mMultiple Airlines
Deal found 5/29$699
Sat 8/311:35 pmSOF - PHL
1 stop32h 40mQatar Airways
Deal found 5/29$707
Tue 8/206:30 amSOF - PHL
1 stop16h 30mMultiple Airlines
Deal found 5/29$751
Sat 8/315:00 amSOF - PHL
3 stops18h 00mMultiple Airlines
Deal found 5/29$852

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$571 - $1,057

Route

Depart

Return

Price

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 10/29

2 stops31h 12m

Philadelphia

Thu 11/7

2 stops14h 20m

$571

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 10/29

2 stops31h 12m

Philadelphia

Thu 11/7

1 stop12h 35m

$577

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 10/26

2 stops22h 06m

Philadelphia

Tue 11/5

2 stops14h 20m

$578

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 10/26

1 stop25h 25m

Philadelphia

Thu 11/7

1 stop15h 05m

$580

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 10/29

2 stops22h 30m

Philadelphia

Thu 11/7

2 stops18h 15m

$582

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 10/26

2 stops16h 53m

Philadelphia

Sun 11/10

1 stop17h 05m

$586

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 10/27

1 stop17h 00m

Philadelphia

Sun 11/10

1 stop17h 05m

$591

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Thu 6/13

2 stops21h 41m

Philadelphia

Wed 6/19

2 stops17h 25m

$622

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Mon 10/28

1 stop27h 05m

Philadelphia

Mon 11/4

2 stops18h 25m

$1,057

Flights are sorted by cheapest first

Deals found on 5/30

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 May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Sofia to Philadelphia flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday 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

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 May 30, 2024.
Read through reviews of airlines operating flights from Sofia to Philadelphia, such as Lufthansa, British Airways and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.7
Good
4,339 reviews
Check prices

Crew

8.1

Entertainment

7.6

Food

7.5

Comfort

7.6

Boarding

7.8

Overall

7.7

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

Qatar Airways
7.7
Good
4,339 reviews
Qatar Airways
7.7
Good
4,339 reviews
Check prices

Crew

8.1

Entertainment

7.6

Food

7.5

Comfort

7.6

Boarding

7.8

Overall

7.7

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

Austrian Airlines
7.7
Good
1,027 reviews
Qatar Airways
7.7
Good
4,339 reviews
Check prices

Crew

8.1

Entertainment

7.6

Food

7.5

Comfort

7.6

Boarding

7.8

Overall

7.7

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

United Airlines
7.4
Good
10,777 reviews
Qatar Airways
7.7
Good
4,339 reviews
Check prices

Crew

8.1

Entertainment

7.6

Food

7.5

Comfort

7.6

Boarding

7.8

Overall

7.7

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

American Airlines
7.3
Good
14,284 reviews
Qatar Airways
7.7
Good
4,339 reviews
Check prices

Crew

8.1

Entertainment

7.6

Food

7.5

Comfort

7.6

Boarding

7.8

Overall

7.7

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

Air Canada
7.0
Good
7,004 reviews
Qatar Airways
7.7
Good
4,339 reviews
Check prices

Crew

8.1

Entertainment

7.6

Food

7.5

Comfort

7.6

Boarding

7.8

Overall

7.7

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

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 $571, but on average you can expect to pay $589.

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

    According to our current data, Air Canada ($571), British Airways ($580), and United Airlines ($586) offers the cheapest pricing from Sofia to Philadelphia. Air Canada is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • 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 5/30.

  • 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 $227). Flying from Sofia to Philadelphia in July is currently the most expensive (average of $298). 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.

Sofia to John F Kennedy Intl flights
Sofia to Newark flights
Sofia to LaGuardia flights
Sofia to Dulles Intl flights

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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$565Average$622FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Houston to Miami flights
Atlanta to Houston flights
Portland to Los Angeles flights
St. Louis to Denver flights
Chicago to Dallas flights
Miami to Los Angeles flights
Denver to San Diego flights
USA to Ghana flights
Miami to Tampa flights
San Francisco to Honolulu flights
San Francisco to Newark Airport flights
Sofia to Phoenix Sky Harbor Intl Airport flights

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.
First Class
Business Class
Prem Econ Class
Economy Class

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 Sofia to Philadelphia?

Cheapflights makes it easy to find Sofia to Philadelphia 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 Sofia to Philadelphia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sofia to Philadelphia for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Sofia to Philadelphia with no change fees.

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

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

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