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$573+ Cheap flights from Bulgaria 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Bulgaria to Philadelphia

Keep the following information in mind while searching for Bulgaria to Philadelphia flight deals. Data was last updated July 31, 2025.

Round-trip from

$573
(Flightnetwork)

Popular in

November

Cheapest in

March

Average price

$814
From Bulgaria to Philadelphia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Bulgaria to Philadelphia

Cheapest flights from Bulgaria to Philadelphia
Explore the most affordable flight options available from Bulgaria to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:15 amSOF - PHL
1 stop16h 45mLufthansa
Mon 9/85:35 pmPHL - SOF
1 stop17h 15mLufthansa
Deal found 7/31$573
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:15 amSOF - PHL
1 stop16h 45mUnited Airlines
Mon 9/87:58 pmPHL - SOF
2 stops20h 02mUnited Airlines
Deal found 7/31$576
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amSOF - PHL
2 stops23h 08mAir Canada
Mon 9/83:25 pmPHL - SOF
2 stops19h 25mAir Canada
Deal found 7/31$579
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:55 pmSOF - PHL
2 stops29h 15mAustrian Airlines
Tue 9/25:35 pmPHL - SOF
2 stops14h 45mAustrian Airlines
Deal found 7/30$676
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/153:00 pmSOF - PHL
1 stop32h 35mMultiple Airlines
Thu 9/46:30 pmPHL - SOF
1 stop12h 00mMultiple Airlines
Deal found 7/30$952

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bulgaria 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 July 31, 2025.
Use the filters below to find and compare flights from Bulgaria to Philadelphia that are best for you.

Fly from

Bulgaria

Fly to

Philadelphia

Route

Depart

Return

Price

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Thu 9/4

6:15 am-4:00 pm

1 stop16h 45m

Philadelphia

Mon 9/8

5:35 pm-5:50 pm

1 stop17h 15m

$573

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Thu 9/4

6:15 am-4:00 pm

1 stop16h 45m

Philadelphia

Mon 9/8

7:58 pm-11:00 pm

2 stops20h 02m

$576

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Thu 9/4

6:00 am-10:08 pm

2 stops23h 08m

Philadelphia

Mon 9/8

3:25 pm-5:50 pm

2 stops19h 25m

$579

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 8/26

6:55 pm-5:10 pm

2 stops29h 15m

Philadelphia

Tue 9/2

5:35 pm-3:20 pm

2 stops14h 45m

$676

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Fri 8/15

3:00 pm-4:35 pm

1 stop32h 35m

Philadelphia

Thu 9/4

6:30 pm-1:30 pm

1 stop12h 00m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Bulgaria to Philadelphia

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

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

Currently, August is the cheapest month in which you can book a flight from Bulgaria to Philadelphia (average of $236). Flying from Bulgaria 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 BG to PHL?

Find hourly flight availability from Bulgaria 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bulgaria to Philadelphia as you normally would.

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 July 31, 2025.
Read through reviews of airlines operating flights from Bulgaria to Philadelphia, such as Austrian Airlines, United Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
823 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
823 reviews
Austrian Airlines
7.6
Good
823 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
United Airlines
7.4
Good
8,900 reviews
Austrian Airlines
7.6
Good
823 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Air Canada
7.1
Good
9,851 reviews
Austrian Airlines
7.6
Good
823 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,275 reviews
Austrian Airlines
7.6
Good
823 reviews

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

Find useful and relevant information for your journey from Bulgaria to Philadelphia. 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 into for flights to Philadelphia from Bulgaria?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from Bulgaria to Philadelphia. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Bulgaria to Philadelphia (average of $236). Flying from Bulgaria 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Cherry Hill
Ocean City
Chester
Millville
Reading
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Exton
Glen Mills
Springfield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bulgaria to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Bulgaria to Philadelphia

Discover the top 2 airlines that operate flights from Bulgaria 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$755FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$636Average$773FlexibilityNo cancel feeOn-time76%

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