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$492+ Cheap flights from Sofia (SOF) to Philadelphia (PHL)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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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 December 22, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(American Airlines)

Popular in

July

Cheapest in

March

Average price

$728
Provider with most accurate pricing for Sofia-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Sofia-Philadelphia flights.
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From Sofia to Philadelphia
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High demand for flights, 17% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Sofia to Philadelphia

Best flights from Sofia to Philadelphia
Discover carefully curated flight deals from Sofia to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This American Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 1/248:15 pmSOF - PHL
1 stop24h 15mAmerican Airlines
Tue 1/286:40 pmPHL - SOF
1 stop12h 30mAmerican Airlines
Deal found 12/21$492
This British Airways deal was found by Cheapflights users on 12/21. 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.
Fri 1/248:15 pmSOF - PHL
1 stop24h 15mBritish Airways
Tue 1/286:00 pmPHL - SOF
2 stops13h 10mBritish Airways
Deal found 12/21$494
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sat 1/46:05 amSOF - PHL
2 stops40h 40mUnited Airlines
Tue 1/142:46 pmPHL - SOF
2 stops15h 14mUnited Airlines
Deal found 12/21$1,067
This Orbitz deal was found by Cheapflights users on 12/22. 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.
Sun 1/56:45 pmSOF - PHL
2 stops51h 05mMultiple Airlines
Wed 1/153:30 pmPHL - SOF
2 stops19h 40mMultiple Airlines
Deal found 12/22$1,089
This Air Canada deal was found by Cheapflights users on 12/22. 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.
Sat 1/46:05 amSOF - PHL
3 stops23h 31mAir Canada
Wed 1/153:30 pmPHL - SOF
2 stops14h 30mAir Canada
Deal found 12/22$1,678
This Lufthansa deal was found by Cheapflights users on 12/22. 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.
Sun 1/56:00 amSOF - PHL
1 stop17h 00mLufthansa
Wed 1/155:55 pmPHL - SOF
1 stop12h 50mLufthansa
Deal found 12/22$2,253
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/412:30 pmSOF - PHL
1 stop33h 55mQatar Airways
Wed 1/158:01 pmPHL - SOF
1 stop32h 24mQatar Airways
Deal found 12/21$5,981

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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Fri 1/24

8:15 pm-1:30 pm

1 stop24h 15m

Philadelphia

Tue 1/28

6:40 pm-2:10 pm

1 stop12h 30m

$492

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Fri 1/24

8:15 pm-1:30 pm

1 stop24h 15m

Philadelphia

Tue 1/28

6:00 pm-2:10 pm

2 stops13h 10m

$494

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 1/4

6:05 am-3:45 pm

2 stops40h 40m

Philadelphia

Tue 1/14

2:46 pm-1:00 pm

2 stops15h 14m

$1,067

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 1/5

6:45 pm-2:50 pm

2 stops51h 05m

Philadelphia

Wed 1/15

3:30 pm-6:10 pm

2 stops19h 40m

$1,089

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 1/4

6:05 am-10:36 pm

3 stops23h 31m

Philadelphia

Wed 1/15

3:30 pm-1:00 pm

2 stops14h 30m

$1,678

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 1/5

6:00 am-4:00 pm

1 stop17h 00m

Philadelphia

Wed 1/15

5:55 pm-1:45 pm

1 stop12h 50m

$2,253

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 1/4

12:30 pm-3:25 pm

1 stop33h 55m

Philadelphia

Wed 1/15

8:01 pm-11:25 am

1 stop32h 24m

$5,981

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Mon 1/6

6:45 pm-4:00 pm

2 stops52h 15m

$723

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Mon 1/6

7:00 am-3:30 pm

1 stop15h 30m

$1,308

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Mon 1/6

6:05 am-10:36 pm

3 stops23h 31m

$2,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Compare providers for flights from Sofia to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to Philadelphia in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sofia-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Sofia to Philadelphia

Get recent, data-driven insights about flights from Sofia to Philadelphia including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Sofia to Philadelphia (average of $236). Flying from Sofia to Philadelphia in March is currently the most expensive (average of $295). 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.

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

Find hourly flight availability from Sofia to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

It’s optimal to fly from Sofia to Philadelphia at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

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 December 22, 2024.
Austrian Airlines
7.6
Good
785 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Austrian Airlines
7.6
Good
785 reviews
Austrian Airlines
7.6
Good
785 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Qatar Airways
7.5
Good
3,789 reviews
Austrian Airlines
7.6
Good
785 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

United Airlines
7.4
Good
9,028 reviews
Austrian Airlines
7.6
Good
785 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
785 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Air Canada
7.0
Good
8,413 reviews
Austrian Airlines
7.6
Good
785 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

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.

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

    According to our current data, American Airlines ($492), British Airways ($494), and United Airlines ($1,067) offers the cheapest pricing from Sofia to Philadelphia. American Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Sofia to Philadelphia (average of $236). Flying from Sofia to Philadelphia in March is currently the most expensive (average of $295). 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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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 2 airlines flying from Sofia to Philadelphia

Discover the top 2 airlines 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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$570Average$673FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$583Average$770FlexibilityNo cancel feeOn-time69%
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