Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Bulgaria from $276

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 4/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:15 am - 12:10 pm
PHL
-
SOF
19h 55m
2 stops
Multiple Airlines Logo
6:10 am - 2:46 pm
SOF
-
PHL
15h 36m
2 stops
$487Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
4:25 pm - 12:10 pm
PHL
-
SOF
36h 45m
2 stops
United Airlines Logo
2:20 pm - 2:46 pm
SOF
-
PHL
31h 26m
2 stops
$516United Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
10:00 am - 10:50 pm
PHL
-
SOF
29h 50m
2 stops
United Airlines Logo
6:10 am - 2:10 pm
SOF
-
PHL
39h 00m
2 stops
$531United Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
11:32 am - 12:10 pm
PHL
-
SOF
17h 38m
2 stops
United Airlines Logo
6:20 am - 9:33 pm
SOF
-
PHL
22h 13m
2 stops
$542United Airlines
Mon, May 11 - Wed, Jun 3
United Airlines Logo
7:25 am - 10:45 pm
PHL
-
SOF
33h 20m
2 stops
United Airlines Logo
6:00 am - 2:17 pm
SOF
-
PHL
38h 17m
2 stops
$552United Airlines
Fri, Mar 20 - Tue, Mar 24
United Airlines Logo
10:38 am - 6:10 pm
PHL
-
SOF
24h 32m
2 stops
United Airlines Logo
6:20 am - 9:33 pm
SOF
-
PHL
22h 13m
2 stops
$555United Airlines
Sun, May 10 - Wed, Jun 3
British Airways Logo
10:00 pm - 8:30 pm
PHL
-
SOF
39h 30m
2 stops
British Airways Logo
8:10 pm - 4:40 pm
SOF
-
PHL
27h 30m
1 stop
$578British Airways
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
6:00 am - 8:40 am
PHL
-
VAR
43h 40m
2 stops
Multiple Airlines Logo
9:45 am - 2:48 pm
VAR
-
PHL
36h 03m
2 stops
$701Multiple Airlines
Fri, May 1 - Fri, May 8
Turkish Airlines Logo
8:25 am - 9:20 pm
PHL
-
VAR
29h 55m
2 stops
Turkish Airlines Logo
3:35 am - 7:35 am
VAR
-
PHL
35h 00m
2 stops
$883Turkish Airlines
Tue, Apr 14 - Mon, Apr 20
Lufthansa Logo
5:40 pm - 3:15 pm
PHL
-
VAR
14h 35m
2 stops
Lufthansa Logo
4:00 pm - 4:05 pm
VAR
-
PHL
31h 05m
2 stops
$1,422Lufthansa
Fri, May 22 - Sat, Jun 6

United Airlines flights from Philadelphia to Bulgaria

Our best United Airlines deals on Philadelphia to Bulgaria flight tickets
United Airlines
Apr 13
PHL4:25 pmPhiladelphia
36h 45m
2 stops
SOF12:10 pmSofia
Apr 20
SOF2:20 pmSofia
31h 26m
2 stops
PHL2:46 pmPhiladelphia
$516
United Airlines
Apr 14
PHL10:00 amPhiladelphia
29h 50m
2 stops
SOF10:50 pmSofia
Apr 21
SOF6:10 amSofia
39h 00m
2 stops
PHL2:10 pmPhiladelphia
$531
United Airlines
May 11
PHL11:32 amPhiladelphia
17h 38m
2 stops
SOF12:10 pmSofia
Jun 3
SOF6:20 amSofia
22h 13m
2 stops
PHL9:33 pmPhiladelphia
$542

British Airways flights from Philadelphia to Bulgaria

Our best British Airways deals on Philadelphia to Bulgaria flight tickets
British Airways
Apr 13
PHL10:00 pmPhiladelphia
39h 30m
2 stops
SOF8:30 pmSofia
Apr 20
SOF8:10 pmSofia
27h 30m
1 stop
PHL4:40 pmPhiladelphia
$578
British Airways
May 10
PHL6:45 pmPhiladelphia
17h 35m
1 stop
SOF7:20 pmSofia
Jun 1
SOF8:10 pmSofia
27h 30m
1 stop
PHL4:40 pmPhiladelphia
$626
British Airways
Apr 14
PHL6:45 pmPhiladelphia
18h 45m
1 stop
SOF8:30 pmSofia
Aug 26
SOF9:25 pmSofia
29h 12m
2 stops
PHL7:37 pmPhiladelphia
$646

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 March 1, 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 4/14

9:15 am-12:10 pm

2 stops19h 55m

Sofia

Tue 4/21

6:10 am-2:46 pm

2 stops15h 36m

$487

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Mon 4/13

4:25 pm-12:10 pm

2 stops36h 45m

Sofia

Mon 4/20

2:20 pm-2:46 pm

2 stops31h 26m

$516

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 4/14

10:00 am-10:50 pm

2 stops29h 50m

Sofia

Tue 4/21

6:10 am-2:10 pm

2 stops39h 00m

$531

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Mon 5/11

11:32 am-12:10 pm

2 stops17h 38m

Sofia

Wed 6/3

6:20 am-9:33 pm

2 stops22h 13m

$542

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Fri 3/20

7:25 am-10:45 pm

2 stops33h 20m

Sofia

Tue 3/24

6:00 am-2:17 pm

2 stops38h 17m

$552

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sun 5/10

10:38 am-6:10 pm

2 stops24h 32m

Sofia

Wed 6/3

6:20 am-9:33 pm

2 stops22h 13m

$555

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Mon 4/13

10:00 pm-8:30 pm

2 stops39h 30m

Sofia

Mon 4/20

8:10 pm-4:40 pm

1 stop27h 30m

$578

PhiladelphiaVarna

PHL - VAR

PHLVAR

Philadelphia

Fri 5/1

6:00 am-8:40 am

2 stops43h 40m

Varna

Fri 5/8

9:45 am-2:48 pm

2 stops36h 03m

$701

PhiladelphiaVarna

PHL - VAR

PHLVAR

Philadelphia

Tue 4/14

8:25 am-9:20 pm

2 stops29h 55m

Varna

Mon 4/20

3:35 am-7:35 am

2 stops35h 00m

$883

PhiladelphiaVarna

PHL - VAR

PHLVAR

Philadelphia

Fri 5/22

5:40 pm-3:15 pm

2 stops14h 35m

Varna

Sat 6/6

4:00 pm-4:05 pm

2 stops31h 05m

$1,422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 25% 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

17h 35m

Direct flights

None
The fastest flight from Philadelphia to Bulgaria takes 17h 35m
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
7,818 reviews
Search Lufthansa flights
United AirlinesPriceFrom $540Free CancellationRating
7.4
9,370 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.

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 3/31
Tue 4/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo
Flights to Sofiafrom $410
Flights to Varnafrom $527
Flights to Burgasfrom $609
Flights to Plovdivfrom $978