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

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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 March , April 2026

24 Mar - 27 Apr $ 871.00
PHL
Philadelphia
Aer Lingus
2 STOPS
SOF
Sofia
SOF
Sofia
Aer Lingus
3 STOPS
PHL
Philadelphia
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24 Mar - 24 Apr $ 871.00
PHL
Philadelphia
Aer Lingus
2 STOPS
SOF
Sofia
SOF
Sofia
Aer Lingus
3 STOPS
PHL
Philadelphia
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24 Mar - 29 Apr $ 894.00
PHL
Philadelphia
Aer Lingus
2 STOPS
SOF
Sofia
SOF
Sofia
Aer Lingus
2 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to Sofia

24 Mar - 01 Apr $ 542.00
PHL
Philadelphia
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
2 STOPS
PHL
Philadelphia
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24 Mar - 31 Mar $ 616.00
PHL
Philadelphia
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
2 STOPS
PHL
Philadelphia
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24 Mar - 31 Mar $ 832.00
PHL
Philadelphia
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
2 STOPS
PHL
Philadelphia
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One-way flights to Sofia from Philadelphia

4:10 PM - 2:25 PM
easyJet
2 Stops
21h 25m
PHL - SOF
$ 336
Kiwi
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7:45 PM - 2:45 PM
United Airlines
2 Stops
16h 15m
PHL - SOF
$ 420
Kiwi
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2:52 PM - 10:35 AM
United Airlines
2 Stops
16h 58m
PHL - SOF
$ 794
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.