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

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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 July , August 2026

27 Jul - 15 Aug $ 1,155.00
DEN
Denver
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
DEN
Denver
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27 Jul - 15 Aug $ 1,166.00
DEN
Denver
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
DEN
Denver
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26 Jul - 06 Aug $ 1,443.00
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

26 Jul - 31 Jul $ 1,575.00
DEN
Denver
Frontier Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
2 STOPS
DEN
Denver
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26 Jul - 31 Jul $ 1,620.00
DEN
Denver
Frontier Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
2 STOPS
DEN
Denver
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26 Jul - 31 Jul $ 1,772.00
DEN
Denver
Frontier Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
2 STOPS
DEN
Denver
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One-way flights to Sofia from Denver

8:25 PM - 7:30 AM
Turkish Airlines
1 Stops
27h 20m
DEN - SOF
$ 470
Kiwi
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8:25 PM - 7:00 PM
Turkish Airlines
1 Stops
14h 55m
DEN - SOF
$ 511
Kiwi
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8:25 PM - 3:45 PM
United Airlines
1 Stops
13h 15m
DEN - SOF
$ 648
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.