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Cheap flights from Philadelphia to Bulgaria from $336

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Bulgaria departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:35 pm - 4:20 pmPHL  Philadelphia-SOF Sofia
14h 45m1 stop London Heathrow
British Airways Logo
9:05 pm - 4:15 pmSOF  Sofia-PHL Philadelphia
26h 10m1 stop London Heathrow
$740British Airways
Sun, Dec 6 - Wed, Dec 9
Air Canada Logo
3:20 pm - 6:20 pmPHL  Philadelphia-SOF Sofia
20h 00m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Air Canada Logo
2:00 pm - 2:44 pmSOF  Sofia-PHL Philadelphia
31h 44m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$745Air Canada
Sun, Dec 6 - Wed, Dec 9
Air Canada Logo
3:20 pm - 1:15 pmPHL  Philadelphia-SOF Sofia
14h 55m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Air Canada Logo
2:10 pm - 4:21 pmSOF  Sofia-PHL Philadelphia
33h 11m2 stops Frankfurt am Main Toronto Pearson Intl
$748Air Canada
Sun, Jan 31 - Tue, Feb 2
Air Canada Logo
10:05 am - 6:05 pmPHL  Philadelphia-SOF Sofia
25h 00m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
Air Canada Logo
6:10 am - 2:47 pmSOF  Sofia-PHL Philadelphia
39h 37m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$752Air Canada
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
6:15 am - 12:10 pmPHL  Philadelphia-SOF Sofia
22h 55m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:10 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 55m1 stop Frankfurt am Main
$767United Airlines
Mon, Sep 28 - Tue, Oct 20
Lufthansa Logo
5:40 pm - 10:40 pmPHL  Philadelphia-SOF Sofia
22h 00m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 55m1 stop Frankfurt am Main
$771Lufthansa
Mon, Sep 28 - Tue, Oct 20
Lufthansa Logo
5:40 pm - 6:00 pmPHL  Philadelphia-SOF Sofia
17h 20m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 55m1 stop Frankfurt am Main
$772Lufthansa
Mon, Sep 28 - Tue, Oct 20
Lufthansa Logo
5:40 pm - 6:00 pmPHL  Philadelphia-SOF Sofia
17h 20m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 55m1 stop Frankfurt am Main
$773Lufthansa
Mon, Sep 28 - Tue, Oct 20
United Airlines Logo
5:40 pm - 1:25 pmPHL  Philadelphia-SOF Sofia
12h 45m1 stop Frankfurt am Main
United Airlines Logo
7:55 am - 6:40 pmSOF  Sofia-PHL Philadelphia
17h 45m2 stops Vienna Intl Washington, D.C. Dulles Intl
$774United Airlines
Sun, Jan 31 - Tue, Feb 2
United Airlines Logo
3:08 pm - 12:10 pmPHL  Philadelphia-SOF Sofia
14h 02m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:10 am - 5:54 pmSOF  Sofia-PHL Philadelphia
18h 44m2 stops Frankfurt am Main Chicago O'Hare Intl
$777United Airlines
Mon, Sep 28 - Tue, Oct 20

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British Airways flights from Philadelphia to Bulgaria

Our best British Airways deals on Philadelphia to Bulgaria flight tickets
British Airways
Dec 6
PHL6:35 pmPhiladelphia
14h 45m
1 stop
SOF4:20 pmSofia
Dec 9
SOF9:05 pmSofia
26h 10m
1 stop
PHL4:15 pmPhiladelphia
$740
British Airways
Aug 30
PHL6:45 pmPhiladelphia
17h 35m
1 stop
SOF7:20 pmSofia
Sep 7
SOF8:10 pmSofia
27h 30m
1 stop
PHL4:40 pmPhiladelphia
$883
British Airways
Oct 15
PHL6:45 pmPhiladelphia
11h 40m
1 stop
SOF1:25 pmSofia
Oct 30
SOF8:30 pmSofia
26h 45m
1 stop
PHL5:15 pmPhiladelphia
$963

Lufthansa flights from Philadelphia to Bulgaria

Our best Lufthansa deals on Philadelphia to Bulgaria flight tickets
Lufthansa
Sep 28
PHL5:40 pmPhiladelphia
17h 20m
1 stop
SOF6:00 pmSofia
Oct 20
SOF6:10 amSofia
16h 55m
1 stop
PHL4:05 pmPhiladelphia
$771
Lufthansa
Sep 28
PHL5:40 pmPhiladelphia
17h 20m
1 stop
SOF6:00 pmSofia
Oct 20
SOF6:10 amSofia
16h 55m
1 stop
PHL4:05 pmPhiladelphia
$772
Lufthansa
Sep 28
PHL5:40 pmPhiladelphia
17h 20m
1 stop
SOF6:00 pmSofia
Oct 20
SOF6:10 amSofia
16h 55m
1 stop
PHL4:05 pmPhiladelphia
$773

momondo 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, momondo users made 832,500 searches. Data last updated August 7, 2026.
Use the filters below to find and compare flights from Philadelphia to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Sun 12/6

6:35 pm-4:20 pm

1 stop14h 45m

Sofia

Wed 12/9

9:05 pm-4:15 pm

1 stop26h 10m

$740

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Sun 12/6

3:20 pm-6:20 pm

2 stops20h 00m

Sofia

Wed 12/9

2:00 pm-2:44 pm

2 stops31h 44m

$745

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Sun 1/31

3:20 pm-1:15 pm

2 stops14h 55m

Sofia

Tue 2/2

2:10 pm-4:21 pm

2 stops33h 11m

$748

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Wed 9/2

10:05 am-6:05 pm

2 stops25h 00m

Sofia

Wed 9/9

6:10 am-2:47 pm

2 stops39h 37m

$752

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Mon 9/28

6:15 am-12:10 pm

2 stops22h 55m

Sofia

Tue 10/20

6:10 am-4:05 pm

1 stop16h 55m

$767

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Mon 9/28

5:40 pm-10:40 pm

1 stop22h 00m

Sofia

Tue 10/20

6:10 am-4:05 pm

1 stop16h 55m

$771

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Mon 9/28

5:40 pm-6:00 pm

1 stop17h 20m

Sofia

Tue 10/20

6:10 am-4:05 pm

1 stop16h 55m

$772

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Mon 9/28

5:40 pm-6:00 pm

1 stop17h 20m

Sofia

Tue 10/20

6:10 am-4:05 pm

1 stop16h 55m

$773
Quickest round-trip

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Sun 1/31

5:40 pm-1:25 pm

1 stop12h 45m

Sofia

Tue 2/2

7:55 am-6:40 pm

2 stops17h 45m

$774

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Mon 9/28

3:08 pm-12:10 pm

2 stops14h 02m

Sofia

Tue 10/20

6:10 am-5:54 pm

2 stops18h 44m

$777

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bulgaria from

How to get the cheapest flight ticket from Philadelphia to Bulgaria

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

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $546.

Can stopping save me money on Philadelphia to Bulgaria flights?

You could potentially save up to 40% on your flight if you consider stops on a Philadelphia to Bulgaria flight.

Cheap Philadelphia to Bulgaria flight deals and tips

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

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Philadelphia to Bulgaria takes 12h 40m
There are no direct flights from Philadelphia to Bulgaria. There are no popular flight routes from Philadelphia to Bulgaria.
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Frequently asked questions about flying from Philadelphia to Bulgaria

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

    Prices for flights from Philadelphia Airport to Bulgaria are updated daily.

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

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

    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 Philadelphia Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Philadelphia to Bulgaria

Compare and see reviews for airlines that fly from Philadelphia to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $497Free CancellationRating
6.8
8,177 reviews
Search Lufthansa flights
United AirlinesPriceFrom $540Free CancellationRating
7.4
10,084 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bulgaria from Philadelphia.

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

Yes. momondo allows you to filter the results for Philadelphia to Bulgaria flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bulgaria from Philadelphia.

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

If you are simply researching potential flights to Bulgaria, momondo offers a useful price alert feature which will track prices for flights to Bulgaria from Philadelphia and alert you when they change.

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