HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$592+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bulgaria to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 enero 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$592
(Expedia)

Popular in

December

Cheapest in

September

Average price

$624
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. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 enero 14, 2026.

This Expedia deal was found by Cheapflights users on 1/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/308:10 pm
SOF
-
PHL
1 stop22h 55m
British Airways
mar. 4/76:45 pm
PHL
-
SOF
1 stop18h 45m
British Airways
Deal found 1/13$592
This United Airlines deal was found by Cheapflights users on 1/13. 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.
dom. 3/86:10 am
SOF
-
PHL
1 stop16h 55m
United Airlines
dom. 3/156:40 pm
PHL
-
SOF
1 stop12h 55m
United Airlines
Deal found 1/13$688
This United Airlines deal was found by Cheapflights users on 1/13. 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.
lun. 3/306:20 am
SOF
-
PHL
2 stops22h 12m
United Airlines
mar. 4/710:00 am
PHL
-
SOF
3 stops30h 10m
United Airlines
Deal found 1/13$694
This Gotogate deal was found by Cheapflights users on 1/13. 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.
lun. 3/302:20 pm
SOF
-
PHL
2 stops32h 24m
Multiple Airlines
mar. 4/75:35 pm
PHL
-
SOF
1 stop12h 30m
Multiple Airlines
Deal found 1/13$697
This Air Canada deal was found by Cheapflights users on 1/13. 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.
dom. 3/86:10 am
SOF
-
PHL
2 stops39h 39m
Air Canada
dom. 3/153:30 pm
PHL
-
SOF
2 stops20h 50m
Air Canada
Deal found 1/13$698
This SWISS deal was found by Cheapflights users on 1/13. 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.
lun. 3/303:45 pm
SOF
-
PHL
3 stops36h 47m
SWISS
mar. 4/71:27 pm
PHL
-
SOF
3 stops37h 53m
SWISS
Deal found 1/13$760
This United Airlines deal was found by Cheapflights users on 1/13. 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.
sáb. 1/176:25 am
SOF
-
PHL
2 stops34h 13m
United Airlines
jue. 2/53:30 pm
PHL
-
SOF
2 stops15h 20m
United Airlines
Deal found 1/13$765
This KLM deal was found by Cheapflights users on 1/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/187:00 am
SOF
-
PHL
2 stops24h 21m
Multiple Airlines
jue. 2/52:30 pm
PHL
-
SOF
2 stops16h 25m
Multiple Airlines
Deal found 1/13$784

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 enero 14, 2026.
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

lun. 3/30

8:10 pm-12:05 pm

1 stop22h 55m

Philadelphia

mar. 4/7

6:45 pm-8:30 pm

1 stop18h 45m

$592

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

dom. 3/8

6:10 am-4:05 pm

1 stop16h 55m

Philadelphia

dom. 3/15

6:40 pm-1:35 pm

1 stop12h 55m

$688

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

lun. 3/30

6:20 am-9:32 pm

2 stops22h 12m

Philadelphia

mar. 4/7

10:00 am-11:10 pm

3 stops30h 10m

$694

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

lun. 3/30

2:20 pm-3:44 pm

2 stops32h 24m

Philadelphia

mar. 4/7

5:35 pm-1:05 pm

1 stop12h 30m

$697

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

lun. 3/30

6:20 am-3:44 pm

2 stops40h 24m

Philadelphia

mar. 4/7

3:30 pm-1:05 pm

2 stops14h 35m

$697

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

dom. 3/8

6:10 am-2:49 pm

2 stops39h 39m

Philadelphia

dom. 3/15

3:30 pm-6:20 pm

2 stops20h 50m

$698

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

lun. 3/30

3:45 pm-9:32 pm

3 stops36h 47m

Philadelphia

mar. 4/7

1:27 pm-10:20 am

3 stops37h 53m

$760

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

dom. 3/1

2:30 pm-4:15 pm

1 stop32h 45m

Philadelphia

jue. 3/5

9:57 pm-11:15 am

2 stops30h 18m

$940

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

dom. 3/8

6:35 pm-5:00 pm

3 stops28h 25m

Philadelphia

dom. 3/15

6:40 pm-6:20 pm

2 stops17h 40m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

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, February is the cheapest month in which you can book a flight from Bulgaria to Philadelphia (average of $528). Flying from Bulgaria to Philadelphia in July is currently the most expensive (average of $612). 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 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 enero 14, 2026.
Read through reviews of airlines operating flights from Bulgaria to Philadelphia, such as United Airlines and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,156 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,156 reviews
United Airlines
7.4
Good
9,156 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,711 reviews
United Airlines
7.4
Good
9,156 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Bulgaria to Philadelphia?

    British Airways can get you from Bulgaria to Philadelphia in just under 22h 55m. Your travel time can differ by up to . The distance between Bulgaria and Philadelphia is about 4800 mi.

  • 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, February is the cheapest month in which you can book a flight from Bulgaria to Philadelphia (average of $528). Flying from Bulgaria to Philadelphia in July is currently the most expensive (average of $612). 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
Wildwood
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bulgaria to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Frankfurt to John F Kennedy Intl flights
Frankfurt to Newark flights
Charles de Gaulle to LaGuardia flights
Orly to Newark flights
Orly to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Frankfurt to LaGuardia flights
Malpensa to Newark flights
Gatwick to LaGuardia flights
Madrid to Newark flights
Frederic Chopin to John F Kennedy Intl flights
Malpensa to John F Kennedy Intl flights
Madrid to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Berlin to Newark flights
Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to Newark flights
Luton to John F Kennedy Intl flights
Frederic Chopin to Newark flights
Bruxelles-National to John F Kennedy Intl flights
London City to Newark flights
Vienna to Newark flights
Bruxelles-National to Newark flights
Barcelona-El Prat to Newark flights
Beauvais-Tille to Newark flights
Zurich to John F Kennedy Intl flights
Linate to John F Kennedy Intl flights
Vienna to John F Kennedy Intl flights
Zurich to Newark flights
Berlin to John F Kennedy Intl flights
Malpensa to LaGuardia flights
Luton to Newark flights
Geneva to John F Kennedy Intl flights
Barcelona-El Prat to John F Kennedy Intl flights
Stansted to Newark flights
Dublin to Newark flights
Geneva to Newark flights
Linate to Newark flights
Manchester to John F Kennedy Intl flights
Vicenza to John F Kennedy Intl flights
Athens to Newark flights

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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$593Average$727FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$671Average$785FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.