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Find cheap flights from Pennsylvania to Bulgaria from $560

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Pennsylvania to Bulgaria departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/8
Sat 6/15

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$560
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 38% increase in price.
Flight from Philadelphia to Sofia

FAQs for booking flights from Pennsylvania to Bulgaria

  • How does KAYAK find such low prices on flights from Pennsylvania to Bulgaria?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Bulgaria.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Bulgaria?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bulgaria from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Pennsylvania to Bulgaria?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bulgaria with an airline and back to Pennsylvania with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Bulgaria?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bulgaria from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Pennsylvania to Bulgaria

Recent round-trip flight deals

10/29Tue
2 stopsUnited Airlines
41h 35mPHL-SOF
11/7Thu
2 stopsUnited Airlines
17h 27mSOF-PHL
$681
10/29Tue
1 stopLufthansa
12h 35mPHL-SOF
11/7Thu
1 stopLufthansa
16h 45mSOF-PHL
$806
9/2Mon
1 stopBritish Airways
17h 35mPHL-SOF
9/19Thu
1 stopBritish Airways
26h 15mSOF-PHL
$899
9/4Wed
2 stopsBritish Airways
19h 00mPHL-SOF
9/16Mon
1 stopBritish Airways
27h 35mSOF-PHL
$922
9/1Sun
2 stopsAir Canada
19h 35mPHL-SOF
9/19Thu
2 stopsAir Canada
16h 01mSOF-PHL
$925
9/1Sun
2 stopsAir Canada
19h 35mPHL-SOF
9/21Sat
2 stopsAir Canada
16h 01mSOF-PHL
$975
6/6Thu
2 stops
44h 25mPIT-SOF
6/12Wed
2 stops
16h 15mSOF-PIT
$992
9/5Thu
2 stops
25h 35mPHL-SOF
9/16Mon
2 stops
22h 06mSOF-PHL
$1,025
6/26Wed
1 stopAmerican Airlines
32h 00mPHL-SOF
10/8Tue
1 stopAmerican Airlines
22h 30mSOF-PHL
$2,122
6/24Mon
2 stopsAmerican Airlines
19h 25mPHL-SOF
10/8Tue
1 stopAmerican Airlines
26h 20mSOF-PHL
$2,141

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Recent one-way flight deals

6/14Fri
2 stops
34h 01mPHL-SOF
$560
6/14Fri
3 stops
54h 41mPHL-SOF
$589
9/6Fri
2 stopsTurkish Airlines
18h 55mPIT-SOF
$685
9/5Thu
2 stopsTurkish Airlines
37h 30mPIT-SOF
$737
9/5Thu
1 stop
17h 50mPIT-SOF
$1,115
9/6Fri
1 stop
33h 00mPIT-SOF
$1,188
6/14Fri
1 stop
12h 30mPHL-SOF
$1,941

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Last minute flights from Pennsylvania to Bulgaria

Last minute flight, train and bus deals

5/11Sat
multi-stop
27h 45mPHL-SOF
5/31Fri
multi-stop
25h 28mSOF-PHL
$1,209
5/11Sat
multi-stop
27h 45mPHL-SOF
5/31Fri
multi-stop
25h 28mSOF-PHL
$1,306
5/11Sat
multi-stop
27h 45mPHL-SOF
5/27Mon
multi-stop
32h 43mSOF-PHL
$1,388
5/11Sat
multi-stop
31h 49mPHL-SOF
5/27Mon
multi-stop
32h 55mSOF-PHL
$1,400
5/11Sat
multi-stop
35h 00mPHL-SOF
6/1Sat
multi-stop
16h 30mSOF-PHL
$1,404
5/11Sat
multi-stop
27h 45mPHL-SOF
5/31Fri
multi-stop
25h 28mSOF-PHL
$1,438
5/11Sat
multi-stop
27h 45mPHL-SOF
5/27Mon
multi-stop
38h 28mSOF-PHL
$1,479
5/11Sat
multi-stop
27h 45mPHL-SOF
6/1Sat
multi-stop
36h 15mSOF-PHL
$1,495
5/11Sat
multi-stopLufthansa
22h 00mPHL-SOF
6/1Sat
multi-stopLufthansa
16h 30mSOF-PHL
$1,794
5/11Sat
multi-stopLufthansa
22h 00mPHL-SOF
5/31Fri
multi-stopLufthansa
32h 55mSOF-PHL
$1,810

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Flights to Bulgaria

Return flight deals:

Bulgaria - Pennsylvania

Cabin classes: