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Cheap flights from Philadelphia (PHL) to Sofia (SOF)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Philadelphia (PHL) to Sofia (SOF)

How to find the cheapest flight from Philadelphia (PHL) to Sofia (SOF)
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How to find the cheapest flight from Philadelphia (PHL) to Sofia (SOF)
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How to find the cheapest flight from Philadelphia (PHL) to Sofia (SOF)
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Cheap flights from Philadelphia to Sofia in September , October 2026

28 Sep - 20 Oct $ 782.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
PHL
Philadelphia
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29 Sep - 07 Oct $ 1,452.00
PHL
Philadelphia
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
PHL
Philadelphia
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27 Sep - 07 Oct $ 1,485.00
PHL
Philadelphia
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to Sofia

28 Sep - 02 Oct $ 1,408.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
PHL
Philadelphia
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27 Sep - 30 Sep $ 2,822.00
PHL
Philadelphia
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
PHL
Philadelphia
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28 Sep - 30 Sep $ 4,034.00
PHL
Philadelphia
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
PHL
Philadelphia
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One-way flights to Sofia from Philadelphia

6:10 AM - 9:00 AM
Swiss International Air Lines
2 Stops
23h 5m
PHL - SOF
$ 550
Kiwi
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5:40 PM - 9:55 AM
United Airlines
1 Stops
12h 25m
PHL - SOF
$ 581
Kiwi
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5:40 PM - 12:50 PM
Austrian Airlines
2 Stops
14h 40m
PHL - SOF
$ 639
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to Sofia (SOF)

Related info for your journey
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How to find the cheapest flight from Philadelphia (PHL) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Philadelphia (PHL) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.