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$779+ Cheap flights from Philadelphia (PHL) to Sofia (SOF)

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$779
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$719
Provider with most accurate pricing for Philadelphia-Sofia flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Sofia flights.
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From Philadelphia to Sofia
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High demand for flights, 23% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Philadelphia to Sofia

Cheapest flights from Philadelphia to Sofia
Explore the most affordable flight options available from Philadelphia to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Mytrip deal was found by Cheapflights users on 12/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/249:00 amPHL - SOF
3 stops27h 20mMultiple Airlines
Mon 12/308:00 amSOF - PHL
2 stops39h 00mMultiple Airlines
Deal found 12/16$1,268
This Gurufare deal was found by Cheapflights users on 12/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:40 pmPHL - SOF
1 stop12h 30mBritish Airways
Mon 12/305:25 pmSOF - PHL
1 stop26h 55mBritish Airways
Deal found 12/16$1,568

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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 1/16

9:21 pm-11:15 am

1 stop30h 54m

Sofia

Wed 1/22

3:00 pm-1:30 pm

1 stop29h 30m

$779

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 1/16

9:00 am-11:55 pm

2 stops31h 55m

Sofia

Wed 1/22

6:05 am-10:36 pm

2 stops23h 31m

$788

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 1/16

4:25 pm-1:00 pm

3 stops37h 35m

Sofia

Wed 1/22

6:05 am-10:36 pm

3 stops23h 31m

$812

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 5/21

6:20 pm-1:30 pm

2 stops36h 10m

Sofia

Sun 6/15

9:10 pm-2:00 pm

2 stops23h 50m

$1,260

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from Philadelphia to Sofia

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 Philadelphia to Sofia in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice 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 Philadelphia-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Sofia 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 Philadelphia-Sofia 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 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.

Travel insights for flights from Philadelphia to Sofia

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

What is the cheapest month 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 $632). Flying from Philadelphia to Sofia in June is currently the most expensive (average of $1,243). 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 PHL to SOF?

Find hourly flight availability from Philadelphia to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

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.

Rainfall in Sofia by month

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

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

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

If weather is an important factor for your trip to Sofia, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 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 December 18, 2024.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.6

Overall

7.2

Entertainment

7.0

Reviews

1 / 10

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.6

Overall

7.2

Entertainment

7.0

Reviews

1 / 10

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

Air Canada
7.0
Good
8,382 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.6

Overall

7.2

Entertainment

7.0

Reviews

1 / 10

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

British Airways
6.6
Okay
6,820 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.6

Overall

7.2

Entertainment

7.0

Reviews

1 / 10

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

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.

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

    According to our current data, American Airlines ($779), Air Canada ($812), and British Airways ($1,260) offers the cheapest pricing from Philadelphia to Sofia. These flights start at 16% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month 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 $632). Flying from Philadelphia to Sofia in June is currently the most expensive (average of $1,243). 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.
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Top 3 airlines flying from Philadelphia to Sofia

Discover the top 3 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$560Average$844FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$617Average$1,120FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$670Average$1,271FlexibilityNo cancel feeOn-time69%
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