Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Bulgaria from $390

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 10/11. 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.
Multiple Airlines Logo
10:05 am - 10:20 amPHL  Philadelphia-SOF Sofia
17h 15m2 stops Montreal Pierre Elliott Trudeau Intl Zurich
Multiple Airlines Logo
6:20 am - 9:32 pmSOF  Sofia-PHL Philadelphia
22h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$717Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
3:25 pm - 6:40 pmPHL  Philadelphia-SOF Sofia
20h 15m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:20 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 45m1 stop Frankfurt am Main
$736Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
9:34 am - 12:10 pmPHL  Philadelphia-SOF Sofia
19h 36m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:20 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 45m1 stop Frankfurt am Main
$737United Airlines
Wed, Oct 7 - Fri, Oct 23
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
6:20 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 45m1 stop Frankfurt am Main
$737United Airlines
Mon, Oct 12 - Fri, Oct 23
United Airlines Logo
7:30 pm - 11:15 pmPHL  Philadelphia-SOF Sofia
20h 45m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 5:05 pmSOF  Sofia-PHL Philadelphia
16h 40m1 stop Frankfurt am Main
$737United Airlines
Tue, Oct 13 - Tue, Oct 27
Air Canada Logo
10:05 am - 6:40 pmPHL  Philadelphia-SOF Sofia
25h 35m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Air Canada Logo
6:20 am - 9:32 pmSOF  Sofia-PHL Philadelphia
22h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$739Air Canada
Tue, Oct 13 - Fri, Oct 23
Air Canada Logo
10:05 am - 6:40 pmPHL  Philadelphia-SOF Sofia
25h 35m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Air Canada Logo
6:20 am - 2:47 pmSOF  Sofia-PHL Philadelphia
15h 27m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$739Air Canada
Wed, Oct 7 - Fri, Oct 16
Lufthansa Logo
5:40 pm - 6:05 pmPHL  Philadelphia-SOF Sofia
17h 25m1 stop Frankfurt am Main
Lufthansa Logo
6:30 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 35m1 stop Frankfurt am Main
$743Lufthansa
Wed, Oct 7 - Thu, Oct 15
Lufthansa Logo
5:40 pm - 6:05 pmPHL  Philadelphia-SOF Sofia
17h 25m1 stop Frankfurt am Main
Lufthansa Logo
6:20 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 45m1 stop Frankfurt am Main
$743Lufthansa
Wed, Oct 7 - Wed, Oct 14
Lufthansa Logo
5:40 pm - 6:05 pmPHL  Philadelphia-SOF Sofia
17h 25m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 4:05 pmSOF  Sofia-PHL Philadelphia
16h 55m1 stop Frankfurt am Main
$743Lufthansa
Wed, Oct 7 - Tue, Oct 13

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

United Airlines flights from Philadelphia to Bulgaria

Our best United Airlines deals on Philadelphia to Bulgaria flight tickets
United Airlines
Oct 7
PHL9:34 amPhiladelphia
26h 06m
2 stops
SOF6:40 pmSofia
Oct 27
SOF6:25 amSofia
16h 40m
1 stop
PHL5:05 pmPhiladelphia
$737
United Airlines
Aug 24
PHL7:40 pmPhiladelphia
20h 35m
2 stops
SOF11:15 pmSofia
Oct 9
SOF6:20 amSofia
15h 27m
2 stops
PHL2:47 pmPhiladelphia
$740
United Airlines
Jan 26
PHL2:37 pmPhiladelphia
15h 38m
2 stops
SOF1:15 pmSofia
Jan 28
SOF6:25 amSofia
16h 40m
1 stop
PHL4:05 pmPhiladelphia
$742

Air Canada flights from Philadelphia to Bulgaria

Our best Air Canada deals on Philadelphia to Bulgaria flight tickets
Air Canada
Oct 7
PHL3:25 pmPhiladelphia
20h 15m
2 stops
SOF6:40 pmSofia
Oct 23
SOF6:20 amSofia
22h 12m
2 stops
PHL9:32 pmPhiladelphia
$739
Air Canada
Oct 7
PHL10:05 amPhiladelphia
25h 35m
2 stops
SOF6:40 pmSofia
Oct 28
SOF2:00 pmSofia
30h 44m
2 stops
PHL2:44 pmPhiladelphia
$740
Air Canada
Oct 6
PHL3:25 pmPhiladelphia
43h 40m
2 stops
SOF6:05 pmSofia
Oct 16
SOF6:20 amSofia
22h 12m
2 stops
PHL9:32 pmPhiladelphia
$751

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 18, 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

Wed 10/7

10:05 am-10:20 am

2 stops17h 15m

Sofia

Wed 10/14

6:20 am-9:32 pm

2 stops22h 12m

$717

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Wed 10/7

3:25 pm-6:40 pm

2 stops20h 15m

Sofia

Wed 10/14

6:20 am-4:05 pm

1 stop16h 45m

$736

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Wed 10/7

9:34 am-12:10 pm

2 stops19h 36m

Sofia

Fri 10/23

6:20 am-4:05 pm

1 stop16h 45m

$737

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Mon 10/12

6:15 am-12:10 pm

2 stops22h 55m

Sofia

Fri 10/23

6:20 am-4:05 pm

1 stop16h 45m

$737

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Tue 10/13

7:30 pm-11:15 pm

2 stops20h 45m

Sofia

Tue 10/27

6:25 am-5:05 pm

1 stop16h 40m

$737

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Tue 10/13

10:05 am-6:40 pm

2 stops25h 35m

Sofia

Fri 10/23

6:20 am-9:32 pm

2 stops22h 12m

$739

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Wed 10/7

10:05 am-6:40 pm

2 stops25h 35m

Sofia

Fri 10/16

6:20 am-2:47 pm

2 stops15h 27m

$739
Quickest round-trip

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Wed 10/7

5:40 pm-6:05 pm

1 stop17h 25m

Sofia

Thu 10/15

6:30 am-4:05 pm

1 stop16h 35m

$743

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Wed 10/7

5:40 pm-6:05 pm

1 stop17h 25m

Sofia

Wed 10/14

6:20 am-4:05 pm

1 stop16h 45m

$743

PhiladelphiaSofia

PHL Philadelphia - SOF Sofia

PHLSOF

Philadelphia

Wed 10/7

5:40 pm-6:05 pm

1 stop17h 25m

Sofia

Tue 10/13

6:10 am-4:05 pm

1 stop16h 55m

$743

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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

Best Price Found

$390

Fastest flight time

15h 38m

Direct flights

None
The best one-way flight to Bulgaria from Philadelphia in the past 72 hours is $390. The best round-trip flight deal from Philadelphia to Bulgaria found on momondo in the last 72 hours is $717.
The fastest flight from Philadelphia to Bulgaria takes 15h 38m
There are no direct flights from Philadelphia to Bulgaria. There are no popular flight routes from Philadelphia to Bulgaria.
Search flight deals

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
8,194 reviews
Search Lufthansa flights
United AirlinesPriceFrom $540Free CancellationRating
7.4
10,106 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
Thu 9/17
Thu 9/24
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 $568
Flights to Varnafrom $728
Flights to Burgasfrom $862
Flights to Plovdivfrom $910