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$550+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$550
(British Airways)

Popular in

November

Cheapest in

March
Provider with most accurate pricing for Sofia-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Philadelphia flights.
Search Deals
From Bulgaria to Philadelphia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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 May 1, 2025.

This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:10 pmSOF - PHL
1 stop26h 15mBritish Airways
Sat 5/247:55 pmPHL - SOF
1 stop17h 25mBritish Airways
Deal found 4/29$550
This Air France deal was found by Cheapflights users on 4/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/107:00 amSOF - PHL
2 stops20h 55mMultiple Airlines
Sun 5/251:20 pmPHL - SOF
2 stops17h 40mMultiple Airlines
Deal found 4/29$584
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:20 amSOF - PHL
1 stop16h 40mUnited Airlines
Sun 5/2510:35 amPHL - SOF
2 stops17h 40mUnited Airlines
Deal found 4/29$643
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:20 amSOF - PHL
1 stop16h 40mLufthansa
Fri 5/235:35 pmPHL - SOF
1 stop22h 15mLufthansa
Deal found 4/29$661
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:00 amSOF - PHL
2 stops21h 28mAustrian Airlines
Fri 5/235:35 pmPHL - SOF
2 stops14h 45mAustrian Airlines
Deal found 4/29$679
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/101:30 pmSOF - PHL
1 stop26h 30mQatar Airways
Sat 5/248:45 pmPHL - SOF
1 stop32h 45mQatar Airways
Deal found 4/29$4,014

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 May 1, 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

Sun 5/11

9:10 pm-4:25 pm

1 stop26h 15m

Philadelphia

Sat 5/24

7:55 pm-8:20 pm

1 stop17h 25m

$550

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 5/10

7:00 am-8:55 pm

2 stops20h 55m

Philadelphia

Sat 5/24

1:00 pm-2:00 pm

2 stops18h 00m

$584

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 5/11

6:20 am-4:00 pm

1 stop16h 40m

Philadelphia

Sun 5/25

10:35 am-11:15 am

2 stops17h 40m

$643

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 5/11

6:20 am-4:00 pm

1 stop16h 40m

Philadelphia

Fri 5/23

5:35 pm-10:50 pm

1 stop22h 15m

$661

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 5/10

8:00 am-10:28 pm

2 stops21h 28m

Philadelphia

Fri 5/23

5:35 pm-3:20 pm

2 stops14h 45m

$679

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 5/10

1:30 pm-9:00 am

1 stop26h 30m

Philadelphia

Sat 5/24

8:45 pm-12:30 pm

1 stop32h 45m

$4,014

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May 1, 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.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 May 1, 2025.
Austrian Airlines
7.6
Good
781 reviews

Overall

7.6

Entertainment

6.7

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
781 reviews
Austrian Airlines
7.6
Good
781 reviews

Overall

7.6

Entertainment

6.7

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Qatar Airways
7.4
Good
3,563 reviews
Austrian Airlines
7.6
Good
781 reviews

Overall

7.6

Entertainment

6.7

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,696 reviews
Austrian Airlines
7.6
Good
781 reviews

Overall

7.6

Entertainment

6.7

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
7,045 reviews
Austrian Airlines
7.6
Good
781 reviews

Overall

7.6

Entertainment

6.7

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
British Airways
6.6
Okay
6,842 reviews
Austrian Airlines
7.6
Good
781 reviews

Overall

7.6

Entertainment

6.7

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 Bulgaria?

Book flights to Bulgaria if you plan to visit one of these locations
Vineland
Pottstown
Wildwood
King of Prussia
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$588Average$786FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$588Average$755FlexibilityNo cancel feeOn-time69%

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