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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 July , August 2026

30 Jul - 25 Aug $ 1,183.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
PHL
Philadelphia
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28 Jul - 05 Aug $ 1,594.00
PHL
Philadelphia
Lufthansa
2 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
1 STOPS
PHL
Philadelphia
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26 Jul - 06 Aug $ 2,024.00
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 Jul - 31 Jul $ 1,620.00
PHL
Philadelphia
Austrian Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
3 STOPS
PHL
Philadelphia
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26 Jul - 31 Jul $ 2,024.00
PHL
Philadelphia
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
PHL
Philadelphia
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28 Jul - 31 Jul $ 2,207.00
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

3:10 PM - 9:15 AM
United Airlines
2 Stops
14h
PHL - SOF
$ 648
Kiwi
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5:40 PM - 10:15 AM
United Airlines
1 Stops
12h 45m
PHL - SOF
$ 660
Kiwi
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5:40 PM - 9:55 AM
United Airlines
1 Stops
12h 25m
PHL - SOF
$ 769
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.