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

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1 Adults (11+)
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 May , June 2026

26 May - 18 Jun $ 843.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
PHL
Philadelphia
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26 May - 17 Jun $ 843.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
PHL
Philadelphia
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27 May - 18 Jun $ 843.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to Sofia

22 May - 31 May $ 987.00
PHL
Philadelphia
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
2 STOPS
PHL
Philadelphia
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22 May - 31 May $ 1,048.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
PHL
Philadelphia
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22 May - 31 May $ 1,072.00
PHL
Philadelphia
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
2 STOPS
PHL
Philadelphia
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One-way flights to Sofia from Philadelphia

3:10 PM - 7:30 PM
United Airlines
2 Stops
24h 30m
PHL - SOF
$ 623
Kiwi
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7:45 PM - 3:00 PM
United Airlines
2 Stops
15h 25m
PHL - SOF
$ 623
Kiwi
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5:40 PM - 10:05 AM
United Airlines
1 Stops
12h 35m
PHL - SOF
$ 763
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.