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$863+ Cheap flights from Philadelphia (PHL) to Bulgaria

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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Philadelphia to Bulgaria

Keep the following information in mind while searching for Philadelphia to Bulgaria flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$864
(British Airways)

Popular in

June

Cheapest in

February

Average price

$664
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 Bulgaria
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($386 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Philadelphia to Bulgaria

Cheapest flights from Philadelphia to Bulgaria
Explore the most affordable flight options available from Philadelphia to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United deal was found by Cheapflights users on 3/27. 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.
Fri 12/2610:35 amPHL - SOF
2 stops29h 10mUnited Airlines
Tue 12/301:45 pmSOF - PHL
2 stops57h 06mUnited Airlines
Deal found 3/27$863
This British Airways deal was found by Cheapflights users on 3/27. 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.
Sun 9/77:50 pmPHL - SOF
1 stop16h 20mBritish Airways
Sun 10/59:10 pmSOF - PHL
1 stop26h 15mBritish Airways
Deal found 3/27$864
This Air Canada deal was found by Cheapflights users on 3/27. 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 9/73:20 pmPHL - SOF
2 stops19h 30mAir Canada
Sun 10/512:00 pmSOF - PHL
2 stops28h 50mAir Canada
Deal found 3/27$874
This Lufthansa deal was found by Cheapflights users on 3/27. 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.
Thu 7/175:35 pmPHL - SOF
1 stop12h 30mLufthansa
Sun 9/146:20 amSOF - PHL
1 stop16h 40mLufthansa
Deal found 3/27$940
This oojo deal was found by Cheapflights users on 3/27. 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.
Fri 4/256:00 amPHL - SOF
2 stops31h 25mTurkish Airlines
Fri 5/29:15 pmSOF - PHL
2 stops33h 03mTurkish Airlines
Deal found 3/27$966
This British Airways deal was found by Cheapflights users on 3/27. 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 12/266:40 pmPHL - SOF
1 stop12h 15mMultiple Airlines
Tue 12/306:05 pmSOF - PHL
1 stop29h 15mMultiple Airlines
Deal found 3/27$984

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Bulgaria 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 March 28, 2025.
Use the filters below to find and compare flights from Philadelphia to Bulgaria that are best for you.

Fly from

Philadelphia

Fly to

Bulgaria

Route

Depart

Return

Price

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 9/7

7:50 pm-7:10 pm

1 stop16h 20m

Sofia

Sun 10/5

9:10 pm-4:25 pm

1 stop26h 15m

$864

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 7/17

5:35 pm-1:05 pm

1 stop12h 30m

Sofia

Fri 9/12

6:15 am-10:27 pm

2 stops23h 12m

$867

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 9/7

3:20 pm-5:50 pm

2 stops19h 30m

Sofia

Sun 10/5

12:00 pm-9:50 am

2 stops28h 50m

$874

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 7/17

5:35 pm-1:05 pm

1 stop12h 30m

Sofia

Sun 9/14

6:20 am-4:00 pm

1 stop16h 40m

$940

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Fri 4/25

6:00 am-8:25 pm

2 stops31h 25m

Sofia

Fri 5/2

9:15 pm-11:18 pm

2 stops33h 03m

$966

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 5/28

7:59 pm-11:00 pm

2 stops20h 01m

Sofia

Tue 7/29

6:20 am-4:00 pm

1 stop16h 40m

$992

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Philadelphia to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Bulgaria

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

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Bulgaria (average of $632). Flying from Philadelphia to Bulgaria 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.

Rainfall in Bulgaria by month

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

In terms of precipitation, rainfall in Bulgaria 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 Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

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

If weather is an important factor for your trip to Bulgaria, 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 Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,744 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
8,986 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
6,956 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
6,712 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Bulgaria?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Bulgaria.

  • What are the most popular routes from Philadelphia to Bulgaria?

    Most travelers choose Philadelphia - Sofia, Philadelphia - Varna or Philadelphia - Bourgas when deciding on the best route from Philadelphia to Bulgaria.

  • Can I find deals for flights from Philadelphia to Bulgaria that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Bulgaria 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 Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Bulgaria (average of $632). Flying from Philadelphia to Bulgaria 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 Bulgaria

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Top 3 airlines flying from Philadelphia to Bulgaria

Discover the top 3 airlines that operate flights from Philadelphia to Bulgaria. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$560Average$832FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$608Average$1,003FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$646Average$950FlexibilityNo cancel feeOn-time69%
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