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Cheap flights from Philadelphia to Bulgaria from $281

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 3/12. 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
0 bags

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Find the cheapest flights from Philadelphia to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
5:35 pm - 1:05 pm
PHL
-
SOF
12h 30m
1 stop
Lufthansa Logo
6:10 am - 4:00 pm
SOF
-
PHL
16h 50m
1 stop
$483Lufthansa
Tue, Mar 31 - Tue, Apr 7
British Airways Logo
6:35 pm - 4:20 pm
PHL
-
SOF
14h 45m
1 stop
British Airways Logo
5:25 pm - 5:15 pm
SOF
-
PHL
29h 50m
1 stop
$485British Airways
Sun, Mar 1 - Mon, Mar 9
Multiple Airlines Logo
3:30 pm - 6:40 pm
PHL
-
SOF
20h 10m
2 stops
Multiple Airlines Logo
6:10 am - 4:05 pm
SOF
-
PHL
16h 55m
1 stop
$486Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
Air Canada Logo
3:30 pm - 6:40 pm
PHL
-
SOF
20h 10m
2 stops
Air Canada Logo
6:10 am - 2:46 pm
SOF
-
PHL
15h 36m
2 stops
$489Air Canada
Tue, Mar 31 - Tue, Apr 7
British Airways Logo
9:57 pm - 8:10 pm
PHL
-
SOF
39h 13m
2 stops
British Airways Logo
5:25 pm - 5:15 pm
SOF
-
PHL
29h 50m
1 stop
$490British Airways
Mon, Mar 2 - Mon, Mar 9
Air Canada Logo
4:35 pm - 6:20 pm
PHL
-
SOF
18h 45m
2 stops
Air Canada Logo
6:10 am - 2:47 pm
SOF
-
PHL
38h 37m
2 stops
$494Air Canada
Sun, Mar 1 - Wed, Mar 11
United Airlines Logo
10:06 am - 10:45 pm
PHL
-
SOF
29h 39m
2 stops
United Airlines Logo
2:15 pm - 3:49 pm
SOF
-
PHL
31h 34m
2 stops
$495United Airlines
Sun, Mar 1 - Tue, Mar 10
Multiple Airlines Logo
3:30 pm - 1:15 pm
PHL
-
SOF
14h 45m
2 stops
Multiple Airlines Logo
12:35 pm - 10:46 pm
SOF
-
PHL
40h 11m
2 stops
$496Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
United Airlines Logo
11:36 am - 11:10 pm
PHL
-
SOF
28h 34m
2 stops
United Airlines Logo
6:20 am - 1:51 pm
SOF
-
PHL
38h 31m
2 stops
$497United Airlines
Wed, Apr 15 - Wed, Aug 26
British Airways Logo
9:57 pm - 8:10 pm
PHL
-
SOF
39h 13m
2 stops
British Airways Logo
5:25 pm - 9:54 pm
SOF
-
PHL
34h 29m
2 stops
$500British Airways
Mon, Mar 2 - Mon, Mar 9

Lufthansa flights from Philadelphia to Bulgaria

Our best Lufthansa deals on Philadelphia to Bulgaria flight tickets
Lufthansa
Mar 31
PHL5:35 pmPhiladelphia
12h 30m
1 stop
SOF1:05 pmSofia
Apr 7
SOF6:10 amSofia
16h 50m
1 stop
PHL4:00 pmPhiladelphia
$483
Lufthansa
Mar 4
PHL3:30 pmPhiladelphia
14h 45m
2 stops
SOF1:15 pmSofia
Mar 8
SOF6:10 amSofia
16h 55m
1 stop
PHL4:05 pmPhiladelphia
$522
Lufthansa
Apr 2
PHL5:40 pmPhiladelphia
12h 40m
1 stop
SOF1:20 pmSofia
Apr 14
SOF6:10 amSofia
16h 55m
1 stop
PHL4:05 pmPhiladelphia
$533

British Airways flights from Philadelphia to Bulgaria

Our best British Airways deals on Philadelphia to Bulgaria flight tickets
British Airways
Mar 1
PHL6:35 pmPhiladelphia
14h 45m
1 stop
SOF4:20 pmSofia
Mar 9
SOF5:25 pmSofia
29h 50m
1 stop
PHL5:15 pmPhiladelphia
$485
British Airways
Mar 2
PHL9:57 pmPhiladelphia
39h 13m
2 stops
SOF8:10 pmSofia
Mar 9
SOF5:25 pmSofia
29h 50m
1 stop
PHL5:15 pmPhiladelphia
$490
British Airways
Mar 2
PHL9:57 pmPhiladelphia
39h 13m
2 stops
SOF8:10 pmSofia
Mar 9
SOF5:25 pmSofia
34h 29m
2 stops
PHL9:54 pmPhiladelphia
$500

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 January 21, 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

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 3/31

5:35 pm-1:05 pm

1 stop12h 30m

Sofia

Tue 4/7

6:10 am-4:00 pm

1 stop16h 50m

$483

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 3/1

6:35 pm-4:20 pm

1 stop14h 45m

Sofia

Mon 3/9

5:25 pm-5:15 pm

1 stop29h 50m

$485

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 3/31

3:30 pm-6:40 pm

2 stops20h 10m

Sofia

Tue 4/7

6:10 am-4:05 pm

1 stop16h 55m

$486

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 3/31

3:30 pm-6:40 pm

2 stops20h 10m

Sofia

Tue 4/7

6:10 am-2:46 pm

2 stops15h 36m

$489

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Mon 3/2

9:57 pm-8:10 pm

2 stops39h 13m

Sofia

Mon 3/9

5:25 pm-5:15 pm

1 stop29h 50m

$490

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 3/1

4:35 pm-6:20 pm

2 stops18h 45m

Sofia

Wed 3/11

6:10 am-2:47 pm

2 stops38h 37m

$494

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 3/1

10:06 am-10:45 pm

2 stops29h 39m

Sofia

Tue 3/10

2:15 pm-3:49 pm

2 stops31h 34m

$495

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 3/4

3:30 pm-1:15 pm

2 stops14h 45m

Sofia

Mon 3/9

12:35 pm-10:46 pm

2 stops40h 11m

$496

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Wed 4/15

11:36 am-11:10 pm

2 stops28h 34m

Sofia

Wed 8/26

6:20 am-1:51 pm

2 stops38h 31m

$497

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Mon 3/2

9:57 pm-8:10 pm

2 stops39h 13m

Sofia

Mon 3/9

5:25 pm-9:54 pm

2 stops34h 29m

$500

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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $540.

Can stopping save me money on Philadelphia to Bulgaria flights?

You could potentially save up to 8% 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 30m

Direct flights

None
The fastest flight from Philadelphia to Bulgaria takes 12h 30m
There are no direct flights from Philadelphia to Bulgaria. There are no popular flight routes from Philadelphia to Bulgaria.
Search flight deals

  • 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 $511Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
United AirlinesPriceFrom $540Free CancellationRating
7.4
9,188 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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