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Cheap flights from Denver (DEN) to Sofia (SOF)

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0 Children (2~11)
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How to find the cheapest flight from Denver (DEN) to Sofia (SOF)

How to find the cheapest flight from Denver (DEN) to Sofia (SOF)
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How to find the cheapest flight from Denver (DEN) to Sofia (SOF)
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How to find the cheapest flight from Denver (DEN) to Sofia (SOF)
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Cheap flights from Denver to Sofia in May , June 2026

19 May - 01 Jun $ 1,032.00
DEN
Denver
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
DEN
Denver
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21 May - 06 Jun $ 2,489.00
DEN
Denver
Austrian Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
2 STOPS
DEN
Denver
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21 May - 04 Jun $ 2,516.00
DEN
Denver
Lufthansa
1 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
2 STOPS
DEN
Denver
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Last minute flights from Denver to Sofia

19 May - 31 May $ 1,187.00
DEN
Denver
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
DEN
Denver
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21 May - 31 May $ 1,402.00
DEN
Denver
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
DEN
Denver
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21 May - 31 May $ 4,188.00
DEN
Denver
Turkish Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Turkish Airlines
1 STOPS
DEN
Denver
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One-way flights to Sofia from Denver

12:40 PM - 3:45 PM
United Airlines
2 Stops
21h
DEN - SOF
$ 701
Kiwi
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8:25 PM - 3:45 PM
United Airlines
1 Stops
13h 15m
DEN - SOF
$ 706
Kiwi
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8:25 PM - 3:45 PM
United Airlines
1 Stops
13h 15m
DEN - SOF
$ 877
Kiwi
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How to find the cheapest flight from Denver (DEN) to Sofia (SOF)

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