Sofia

$321+ Cheap flights from Philadelphia (PHL) to Sofia (SOF)

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
Jan 26 — Feb 21
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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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$643
(oojo)

One-way from

$321
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$701
Provider with most accurate pricing for Philadelphia-Sofia flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Sofia flights.
From Philadelphia to Sofia
One-way flight from Philadelphia to Sofia
Highest demand for flights based on searches. 24% potential increase in price ($308 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in January 2025

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 January 21, 2025.

This oojo deal was found by Cheapflights users on 1/19. 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.
Sun 2/26:40 pmPHL - SOF
1 stop14h 40mBritish Airways
Tue 2/116:05 pmSOF - PHL
2 stops28h 30mBritish Airways
Deal found 1/19$643
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 2/29:21 pmPHL - SOF
1 stop11h 59mAmerican Airlines
Tue 2/116:05 pmSOF - PHL
1 stop26h 25mAmerican Airlines
Deal found 1/19$648
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Sun 2/29:00 amPHL - SOF
2 stops21h 40mMultiple Airlines
Tue 2/112:15 pmSOF - PHL
2 stops32h 30mMultiple Airlines
Deal found 1/20$666
This United deal was found by Cheapflights users on 1/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/15:10 pmPHL - SOF
2 stops42h 00mUnited Airlines
Wed 2/126:00 amSOF - PHL
2 stops23h 36mUnited Airlines
Deal found 1/20$674
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/263:30 pmPHL - SOF
2 stops20h 40mAir Canada
Thu 4/106:15 amSOF - PHL
2 stops15h 32mAir Canada
Deal found 1/21$789
This Lufthansa deal was found by Cheapflights users on 1/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:55 pmPHL - SOF
1 stop21h 30mLufthansa
Thu 4/106:15 amSOF - PHL
1 stop16h 45mLufthansa
Deal found 1/21$802
This Gurufare deal was found by Cheapflights users on 1/20. 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.
Thu 5/2910:35 amPHL - SOF
2 stops18h 05mAustrian Airlines
Mon 6/26:55 pmSOF - PHL
2 stops34h 34mAustrian Airlines
Deal found 1/20$1,280
This Emirates deal was found by Cheapflights users on 1/20. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/112:44 pmPHL - SOF
2 stops41h 41mEmirates
Tue 2/111:10 amSOF - PHL
2 stops28h 35mEmirates
Deal found 1/20$2,078

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 2/2

6:40 pm-4:20 pm

1 stop14h 40m

Sofia

Tue 2/11

6:05 pm-3:35 pm

2 stops28h 30m

$643

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 2/2

9:21 pm-4:20 pm

1 stop11h 59m

Sofia

Tue 2/11

6:05 pm-1:30 pm

1 stop26h 25m

$648

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 2/2

9:00 am-1:40 pm

2 stops21h 40m

Sofia

Tue 2/11

2:15 pm-3:45 pm

2 stops32h 30m

$666

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sat 2/1

5:10 pm-6:10 pm

2 stops42h 00m

Sofia

Wed 2/12

6:00 am-10:36 pm

2 stops23h 36m

$674

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 3/26

3:30 pm-6:10 pm

2 stops20h 40m

Sofia

Thu 4/10

6:15 am-2:47 pm

2 stops15h 32m

$789

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 3/26

6:55 pm-10:25 pm

1 stop21h 30m

Sofia

Thu 4/10

6:15 am-4:00 pm

1 stop16h 45m

$802

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 5/29

10:35 am-11:40 am

2 stops18h 05m

Sofia

Mon 6/2

6:55 pm-10:29 pm

2 stops34h 34m

$1,280

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sat 2/1

12:44 pm-1:25 pm

2 stops41h 41m

Sofia

Tue 2/11

1:10 am-10:45 pm

2 stops28h 35m

$2,078

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sat 4/5

8:11 pm-9:15 am

3 stops54h 04m

$321

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 4/2

5:35 pm-5:50 pm

1 stop17h 15m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 11 results
1
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 January 21, 2025.

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 January 21, 2025.
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

8.1
Very good
3,358 reviews
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

7.6
Good
786 reviews
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

7.4
Good
8,984 reviews
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

7.2
Good
10,000 reviews
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

7.0
Good
8,633 reviews
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

Reviews

1 / 10

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

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, British Airways ($643), American Airlines ($648), and United Airlines ($674) offers the cheapest pricing from Philadelphia to Sofia. These flights start at 30% 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.

See more FAQs

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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 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$560Average$844FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$617Average$1,131FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$670Average$1,179FlexibilityNo cancel feeOn-time69%
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