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Cheap flights from Philadelphia to Bulgaria from $477

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Bulgaria departing on 3/31. 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.
United Airlines Logo
7:45 pm - 6:40 pm
PHL
-
SOF
15h 55m2 stops
United Airlines Logo
6:10 am - 4:00 pm
SOF
-
PHL
16h 50m1 stop
$477United Airlines
mar., mar. 31 - mar., abr. 7
Air Canada Logo
9:15 am - 12:05 pm
PHL
-
SOF
19h 50m2 stops
Air Canada Logo
6:10 am - 10:53 pm
SOF
-
PHL
23h 43m2 stops
$478Air Canada
lun., mar. 30 - jue., abr. 9
Air Canada Logo
3:30 pm - 6:40 pm
PHL
-
SOF
20h 10m2 stops
Air Canada Logo
6:10 am - 2:46 pm
SOF
-
PHL
15h 36m2 stops
$479Air Canada
mar., mar. 31 - jue., abr. 9
United Airlines Logo
11:45 am - 6:40 pm
PHL
-
SOF
23h 55m2 stops
United Airlines Logo
12:50 pm - 12:10 am
SOF
-
PHL
18h 20m2 stops
$480United Airlines
mié., abr. 1 - jue., abr. 9
Air Canada Logo
4:35 pm - 11:05 am
PHL
-
SOF
36h 30m2 stops
Air Canada Logo
6:10 am - 2:46 pm
SOF
-
PHL
15h 36m2 stops
$482Air Canada
sáb., mar. 28 - jue., abr. 9
Multiple Airlines Logo
3:30 pm - 6:40 pm
PHL
-
SOF
20h 10m2 stops
Multiple Airlines Logo
6:10 am - 4:00 pm
SOF
-
PHL
16h 50m1 stop
$485Multiple Airlines
mar., mar. 31 - mar., abr. 7
United Airlines Logo
2:56 pm - 11:10 pm
PHL
-
SOF
25h 14m2 stops
United Airlines Logo
6:10 am - 4:00 pm
SOF
-
PHL
16h 50m1 stop
$486United Airlines
dom., mar. 29 - mar., abr. 7
United Airlines Logo
2:56 pm - 11:10 pm
PHL
-
SOF
25h 14m2 stops
United Airlines Logo
6:20 am - 2:46 pm
SOF
-
PHL
15h 26m2 stops
$489United Airlines
dom., mar. 29 - mié., abr. 8
Lufthansa Logo
5:35 pm - 6:00 pm
PHL
-
SOF
17h 25m1 stop
Lufthansa Logo
6:10 am - 4:00 pm
SOF
-
PHL
16h 50m1 stop
$490Lufthansa
mar., mar. 31 - mar., abr. 7
Lufthansa Logo
4:35 pm - 11:05 am
PHL
-
SOF
36h 30m2 stops
Lufthansa Logo
6:10 am - 4:00 pm
SOF
-
PHL
16h 50m1 stop
$493Lufthansa
sáb., mar. 28 - mar., abr. 7

Air Canada flights from Philadelphia to Bulgaria

Our best Air Canada deals on Philadelphia to Bulgaria flight tickets
Air Canada
Mar 30
PHL9:15 amPhiladelphia
19h 50m
2 stops
SOF12:05 pmSofia
Apr 9
SOF6:10 amSofia
23h 43m
2 stops
PHL10:53 pmPhiladelphia
$478
Find similar
Air Canada
Mar 31
PHL3:30 pmPhiladelphia
20h 10m
2 stops
SOF6:40 pmSofia
Apr 9
SOF6:10 amSofia
15h 36m
2 stops
PHL2:46 pmPhiladelphia
$479
Find similar
Air Canada
Mar 28
PHL4:35 pmPhiladelphia
36h 30m
2 stops
SOF11:05 amSofia
Apr 9
SOF6:10 amSofia
15h 36m
2 stops
PHL2:46 pmPhiladelphia
$482
Find similar

United Airlines flights from Philadelphia to Bulgaria

Our best United Airlines deals on Philadelphia to Bulgaria flight tickets
United Airlines
Mar 31
PHL7:45 pmPhiladelphia
15h 55m
2 stops
SOF6:40 pmSofia
Apr 7
SOF6:10 amSofia
16h 50m
1 stop
PHL4:00 pmPhiladelphia
$477
Find similar
United Airlines
Apr 1
PHL11:45 amPhiladelphia
23h 55m
2 stops
SOF6:40 pmSofia
Apr 8
SOF12:50 pmSofia
18h 20m
2 stops
PHL12:10 amPhiladelphia
$480
Find similar
United Airlines
Mar 29
PHL2:56 pmPhiladelphia
25h 14m
2 stops
SOF11:10 pmSofia
Apr 7
SOF6:10 amSofia
16h 50m
1 stop
PHL4:00 pmPhiladelphia
$486
Find similar

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 diciembre 9, 2025.
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

mar. 3/31

7:45 pm-6:40 pm

2 stops15h 55m

Sofia

mar. 4/7

6:10 am-4:00 pm

1 stop16h 50m

$477

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

lun. 3/30

9:15 am-12:05 pm

2 stops19h 50m

Sofia

jue. 4/9

6:10 am-10:53 pm

2 stops23h 43m

$478

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

mar. 3/31

3:30 pm-6:40 pm

2 stops20h 10m

Sofia

jue. 4/9

6:10 am-2:46 pm

2 stops15h 36m

$479

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

mié. 4/1

11:45 am-6:40 pm

2 stops23h 55m

Sofia

jue. 4/9

12:50 pm-12:10 am

2 stops18h 20m

$480

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

sáb. 3/28

4:35 pm-11:05 am

2 stops36h 30m

Sofia

jue. 4/9

6:10 am-2:46 pm

2 stops15h 36m

$482

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

mar. 3/31

3:30 pm-6:40 pm

2 stops20h 10m

Sofia

mar. 4/7

6:10 am-4:00 pm

1 stop16h 50m

$485

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

dom. 3/29

2:56 pm-11:10 pm

2 stops25h 14m

Sofia

mar. 4/7

6:10 am-4:00 pm

1 stop16h 50m

$486

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

dom. 3/29

2:56 pm-11:10 pm

2 stops25h 14m

Sofia

mié. 4/8

6:20 am-2:46 pm

2 stops15h 26m

$489

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

mar. 3/31

5:35 pm-6:00 pm

1 stop17h 25m

Sofia

mar. 4/7

6:10 am-4:00 pm

1 stop16h 50m

$490

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

sáb. 3/28

4:35 pm-11:05 am

2 stops36h 30m

Sofia

mar. 4/7

6:10 am-4:00 pm

1 stop16h 50m

$493

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Bulgaria?

The cheapest day to depart from Philadelphia to Bulgaria is on a Tuesday when prices can be found for as low as $741. On the other hand, Saturday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,491.

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

In the evening is the cheapest time of day to fly from Philadelphia to Bulgaria when you can find flight prices for as low as $838. Flying to Bulgaria in the evening is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the morning, with an average ticket price of $1,318. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

11h 45m

Direct flights

None
The fastest flight from Philadelphia to Bulgaria takes 11h 45m
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
7,618 reviews
Search Lufthansa flights
United AirlinesPriceFrom $540Free CancellationRating
7.4
9,089 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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