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

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0 Children (2~11)
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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 October , November 2026

19 Oct - 05 Nov $ 765.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
PHL
Philadelphia
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19 Oct - 23 Nov $ 1,186.00
PHL
Philadelphia
Aer Lingus
2 STOPS
SOF
Sofia
SOF
Sofia
Aer Lingus
2 STOPS
PHL
Philadelphia
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19 Oct - 07 Nov $ 1,330.00
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

20 Oct - 31 Oct $ 1,555.00
PHL
Philadelphia
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
PHL
Philadelphia
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19 Oct - 31 Oct $ 1,561.00
PHL
Philadelphia
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
PHL
Philadelphia
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19 Oct - 31 Oct $ 1,630.00
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 - 7:05 AM
Swiss International Air Lines
2 Stops
21h 10m
PHL - SOF
$ 494
Kiwi
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11:05 AM - 7:05 AM
Swiss International Air Lines
2 Stops
16h 15m
PHL - SOF
$ 515
Kiwi
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5:40 PM - 10:15 AM
United Airlines
1 Stops
12h 45m
PHL - SOF
$ 526
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.