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Bulgaria

$441+ Cheap flights from Philadelphia (PHL) to Bulgaria

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$667
(Gotogate)

One-way from

$399
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$854
From Philadelphia to Bulgaria
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One-way flight from Philadelphia to Bulgaria
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Highest demand for flights based on searches. 23% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This oojo deal was found by Cheapflights users on 7/31. 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 9/147:00 amPHL - SOF
2 stops30h 25mTurkish Airlines
Sun 9/213:35 pmSOF - PHL
2 stops54h 25mTurkish Airlines
Deal found 7/31$712
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/216:45 pmPHL - SOF
1 stop21h 05mUnited Airlines
Tue 8/262:00 pmSOF - PHL
2 stops26h 34mUnited Airlines
Deal found 7/30$720
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:35 pmPHL - SOF
1 stop12h 25mLufthansa
Fri 9/266:15 amSOF - PHL
1 stop16h 45mLufthansa
Deal found 7/31$742
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:25 pmPHL - SOF
2 stops24h 25mMultiple Airlines
Fri 9/261:50 pmSOF - PHL
2 stops27h 04mMultiple Airlines
Deal found 7/31$747
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:50 pmPHL - SOF
2 stops42h 30mBritish Airways
Sun 9/219:10 pmSOF - PHL
1 stop22h 55mBritish Airways
Deal found 7/31$838
This Lufthansa deal was found by Cheapflights users on 7/31. 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.
Tue 9/235:35 pmPHL - BOJ
2 stops17h 00mLufthansa
Tue 10/79:25 amBOJ - PHL
1 stop13h 35mLufthansa
Deal found 7/31$839
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:35 pmPHL - VAR
2 stops14h 40mLufthansa
Sun 9/144:00 pmVAR - PHL
2 stops55h 00mLufthansa
Deal found 7/29$1,007
This Lufthansa deal was found by Cheapflights users on 7/31. 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.
Tue 9/235:15 pmPHL - BOJ
2 stops17h 20mMultiple Airlines
Tue 10/79:25 amBOJ - PHL
2 stops22h 20mMultiple Airlines
Deal found 7/31$1,027
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Fri 9/126:35 amPHL - VAR
3 stops30h 00mMultiple Airlines
Sun 9/1411:35 pmVAR - PHL
2 stops28h 25mMultiple Airlines
Deal found 7/29$1,048
This Priceline deal was found by Cheapflights users on 7/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:30 pmPHL - SOF
2 stops14h 40mAir Canada
Sat 1/36:15 amSOF - PHL
2 stops23h 41mAir Canada
Deal found 7/31$1,092
This SWISS deal was found by Cheapflights users on 7/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/118:15 amPHL - SOF
2 stops21h 15mSWISS
Fri 8/2212:45 pmSOF - PHL
3 stops35h 36mSWISS
Deal found 7/30$1,118
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:40 amPHL - SOF
2 stops18h 00mAustrian Airlines
Fri 8/228:00 amSOF - PHL
2 stops21h 29mAustrian Airlines
Deal found 7/31$1,119

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 July 31, 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

Mon 9/22

3:25 pm-10:50 pm

2 stops24h 25m

Sofia

Fri 1/16

6:15 am-3:49 pm

2 stops40h 34m

$667

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 9/30

7:50 pm-8:40 pm

1 stop17h 50m

Sofia

Wed 4/1

9:30 pm-1:05 pm

1 stop22h 35m

$673

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 10/1

3:25 pm-1:15 pm

2 stops14h 50m

Sofia

Wed 4/1

6:15 am-2:37 pm

2 stops15h 22m

$685

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 9/30

5:35 pm-1:20 pm

1 stop12h 45m

Sofia

Tue 3/31

6:15 am-4:00 pm

1 stop16h 45m

$686

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sat 9/27

4:50 pm-12:00 pm

2 stops36h 10m

Sofia

Thu 3/26

6:05 am-2:47 pm

2 stops38h 42m

$700

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 9/14

7:00 am-8:25 pm

2 stops30h 25m

Sofia

Sun 9/21

3:35 pm-3:00 pm

2 stops54h 25m

$712

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sat 9/27

6:45 pm-8:20 pm

2 stops18h 35m

Sofia

Sat 3/28

12:05 pm-9:00 am

2 stops26h 55m

$790

PhiladelphiaBurgas

PHL - BOJ

PHLBOJ

Philadelphia

Tue 9/23

5:35 pm-5:35 pm

2 stops17h 00m

Bourgas

Tue 10/7

9:25 am-4:00 pm

1 stop13h 35m

$839

PhiladelphiaVarna

PHL - VAR

PHLVAR

Philadelphia

Fri 9/12

5:35 pm-3:15 pm

2 stops14h 40m

Varna

Sun 9/14

4:00 pm-4:00 pm

2 stops55h 00m

$1,007

PhiladelphiaBurgas

PHL - BOJ

PHLBOJ

Philadelphia

Tue 9/23

5:15 pm-5:35 pm

2 stops17h 20m

Bourgas

Tue 10/7

9:25 am-12:45 am

2 stops22h 20m

$1,027

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 17 results
1
2

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 $1,187). 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.

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 July 31, 2025.
Peruse reviews from past customers who have flown with Air France, United Airlines, and Turkish Airlines from Philadelphia to Bulgaria to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.5
Good
1,465 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.5
Good
1,465 reviews
Air France
7.5
Good
1,465 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
United Airlines
7.4
Good
8,900 reviews
Air France
7.5
Good
1,465 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Turkish Airlines
7.3
Good
3,933 reviews
Air France
7.5
Good
1,465 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
American Airlines
7.2
Good
10,000 reviews
Air France
7.5
Good
1,465 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air Canada
7.1
Good
9,851 reviews
Air France
7.5
Good
1,465 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.4

Comfort

7.4

Food

7.0

Overall

7.5

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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 cheapest airlines to fly from Philadelphia to Bulgaria one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $457. However, be on the lookout for offers from Air Canada and Lufthansa, as they are both options that can get you from Philadelphia to Bulgaria for a low price.

  • 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 $1,187). 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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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$560Average$776FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$617Average$885FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$646Average$795FlexibilityNo cancel feeOn-time69%

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