How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Bulgaria, such as Sofia or Burgas, and flying into Philadelphia, then you can expect flight times to average 13h 20m and 33h 15m, respectively.

What airlines fly to Philadelphia?

Turkish Airlines, Lufthansa and LOT are the top three most popular airlines that fly to Philadelphia from Bulgaria according to our data. Turkish Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 8 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Bulgaria to Philadelphia?

American Airlines is the most popular carrier operating from Bulgaria to Philadelphia

When did momondo last update prices for flights from Bulgaria to Philadelphia Airport?

Prices for flights from Bulgaria to Philadelphia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Bulgaria to Philadelphia Airport?

The number of operators available for flights from Bulgaria to Philadelphia Airport is 2 as of September 2025.

How old do you have to be to fly from Bulgaria to Philadelphia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bulgaria to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$389 Cheap Flights from Bulgaria to Philadelphia in 2025/26

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Find the cheapest flights from Bulgaria to Philadelphia

Round-trip

One-way

Last minute

Recent round-trip flight deals from Bulgaria to Philadelphia

2:30 pm - 1:25 pmSOF-PHL

29h 55m1 stop

6:35 pm - 4:20 pmPHL-SOF

14h 45m1 stop

$564British Airways

Find Deal

Sun, Nov 9 - Sun, Nov 16

2:30 pm - 1:25 pmSOF-PHL

29h 55m1 stop

5:25 pm - 4:20 pmPHL-SOF

15h 55m2 stops

$566American Airlines

Find Deal

Sun, Nov 9 - Sun, Nov 16

7:00 am - 5:13 pmSOF-PHL

17h 13m2 stops

1:42 pm - 2:00 pmPHL-SOF

17h 18m2 stops

$589Multiple Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

6:20 am - 4:00 pmSOF-PHL

16h 40m1 stop

5:35 pm - 1:20 pmPHL-SOF

12h 45m1 stop

$643Lufthansa

Find Deal

Tue, Oct 14 - Tue, Oct 21

6:20 am - 4:00 pmSOF-PHL

16h 40m1 stop

7:58 pm - 11:00 pmPHL-SOF

20h 02m2 stops

$646United Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

2:00 pm - 2:47 pmSOF-PHL

31h 47m2 stops

3:30 pm - 1:10 pmPHL-SOF

14h 40m2 stops

$657Air Canada

Find Deal

Sun, Nov 9 - Sun, Nov 16

6:05 am - 10:56 pmSOF-PHL

23h 51m3 stops

3:30 pm - 1:15 pmPHL-SOF

14h 45m2 stops

$678Multiple Airlines

Find Deal

Thu, Feb 5 - Mon, Feb 16

6:45 pm - 5:35 pmSOF-PHL

28h 50m1 stop

9:20 am - 11:55 pmPHL-SOF

31h 35m2 stops

$680Multiple Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

1:15 pm - 4:00 pmSOF-PHL

33h 45m2 stops

1:05 pm - 10:05 amPHL-SOF

38h 00m3 stops

$708SWISS

Find Deal

Tue, Oct 14 - Tue, Oct 21

2:35 pm - 10:56 pmSOF-PHL

15h 21m2 stops

5:40 pm - 1:35 pmPHL-SOF

12h 55m1 stop

$759United Airlines

Find Deal

Thu, Jan 1 - Sun, Mar 1

United Airlines flights from Bulgaria to Philadelphia

Our best United Airlines deals on Bulgaria to Philadelphia flight tickets

United Airlines

Oct 14

SOF6:20 amSofia

16h 40m

1 stop

PHL4:00 pmPhiladelphia

Oct 21

PHL7:58 pmPhiladelphia

20h 02m

2 stops

SOF11:00 pmSofia

$646

Find similar

United Airlines

Jan 1

SOF2:35 pmSofia

15h 21m

2 stops

PHL10:56 pmPhiladelphia

Mar 1

PHL5:40 pmPhiladelphia

12h 55m

1 stop

SOF1:35 pmSofia

$759

Find similar

United Airlines

Jan 1

SOF2:35 pmSofia

15h 21m

2 stops

PHL10:56 pmPhiladelphia

Mar 1

PHL6:10 amPhiladelphia

33h 35m

2 stops

SOF10:45 pmSofia

$762

Find similar

Lufthansa flights from Bulgaria to Philadelphia

Our best Lufthansa deals on Bulgaria to Philadelphia flight tickets

Lufthansa

Oct 14

SOF6:20 amSofia

16h 40m

1 stop

PHL4:00 pmPhiladelphia

Oct 21

PHL5:35 pmPhiladelphia

12h 45m

1 stop

SOF1:20 pmSofia

$643

Find similar

Lufthansa

Sep 20

SOF7:25 pmSofia

27h 35m

2 stops

PHL4:00 pmPhiladelphia

Oct 11

PHL4:50 pmPhiladelphia

35h 25m

2 stops

SOF11:15 amSofia

$852

Find similar

Lufthansa

Sep 20

SOF2:05 pmSofia

32h 55m

1 stop

PHL4:00 pmPhiladelphia

Oct 11

PHL4:50 pmPhiladelphia

35h 25m

2 stops

SOF11:15 amSofia

$1,079

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 11/9

2:30 pm-1:25 pm

1 stop29h 55m

Philadelphia

Sun 11/16

6:35 pm-4:20 pm

1 stop14h 45m

$564

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 11/9

2:30 pm-1:25 pm

1 stop29h 55m

Philadelphia

Sun 11/16

5:25 pm-4:20 pm

2 stops15h 55m

$566

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 10/14

7:00 am-5:13 pm

2 stops17h 13m

Philadelphia

Tue 10/21

1:42 pm-2:00 pm

2 stops17h 18m

$589

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 10/14

6:20 am-4:00 pm

1 stop16h 40m

Philadelphia

Tue 10/21

5:35 pm-1:20 pm

1 stop12h 45m

$643

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 10/14

6:20 am-4:00 pm

1 stop16h 40m

Philadelphia

Tue 10/21

7:58 pm-11:00 pm

2 stops20h 02m

$646

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 11/9

2:00 pm-2:47 pm

2 stops31h 47m

Philadelphia

Sun 11/16

3:30 pm-1:10 pm

2 stops14h 40m

$657

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Thu 2/5

6:05 am-10:56 pm

3 stops23h 51m

Philadelphia

Mon 2/16

3:30 pm-1:15 pm

2 stops14h 45m

$678

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Fri 10/31

6:45 pm-5:35 pm

1 stop28h 50m

Philadelphia

Fri 11/7

9:20 am-11:55 pm

2 stops31h 35m

$680

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Tue 10/14

1:15 pm-4:00 pm

2 stops33h 45m

Philadelphia

Tue 10/21

1:05 pm-10:05 am

3 stops38h 00m

$708

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Thu 1/1

2:35 pm-10:56 pm

2 stops15h 21m

Philadelphia

Sun 3/1

5:40 pm-1:35 pm

1 stop12h 55m

$759

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bulgaria to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Bulgaria is in March. Flight prices, which tend to average around $581, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Philadelphia, with average flight prices from Bulgaria averaging around $593.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Bulgaria to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $579. On the other hand, Thursday is the most expensive day to depart from Bulgaria because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $986.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Bulgaria to Philadelphia in the evening for as low as $651. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $742.

Can stopping save me money on Bulgaria to Philadelphia flights?

You could potentially save up to 5% on your flight if you consider stops on a Bulgaria to Philadelphia flight.

Cheap Bulgaria to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bulgaria to Philadelphia

Direct flights	None

There are no direct flights from Bulgaria to Philadelphia. There are no popular flight routes from Bulgaria to Philadelphia.

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When did momondo last update prices for flights from Bulgaria to Philadelphia Airport?
Prices for flights from Bulgaria to Philadelphia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Bulgaria to Philadelphia Airport?
The number of operators available for flights from Bulgaria to Philadelphia Airport is 2 as of September 2025.
How old do you have to be to fly from Bulgaria to Philadelphia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bulgaria to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Bulgaria to Philadelphia

Compare and see reviews for airlines that fly from Bulgaria to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 8,924 reviews		Search United Airlines flights
Lufthansa	PriceFrom $602	Free Cancellation	Rating 6.8 7,407 reviews		Search Lufthansa flights

Wildwood

Cape May

Rehoboth Beach

Ocean City

Wildwood Crest

King of Prussia

Dewey Beach

Reading

Newark

Cherry Hill

North Wildwood

Dover

Avalon

Lewes

Stone Harbor

Vineland

Essington

Pottstown

New Castle

West Chester

Why use momondo?

Why should I use momondo to find a flight deal from Bulgaria to Philadelphia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bulgaria to Philadelphia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Bulgaria to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Bulgaria on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Bulgaria to Philadelphia?

Once you have performed a search for Bulgaria to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bulgaria to Philadelphia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Bulgaria to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.