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Cheap flights from Bismarck (BIS) 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 Bismarck (BIS) to Sofia (SOF)

How to find the cheapest flight from Bismarck (BIS) to Sofia (SOF)
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How to find the cheapest flight from Bismarck (BIS) to Sofia (SOF)
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How to find the cheapest flight from Bismarck (BIS) to Sofia (SOF)
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Cheap flights from Bismarck to Sofia in January , February 2026

25 Jan - 05 Feb $ 1,056.00
BIS
Bismarck
Allegiant Air
2 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
BIS
Bismarck
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25 Jan - 12 Feb $ 1,065.00
BIS
Bismarck
Allegiant Air
2 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
BIS
Bismarck
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25 Jan - 26 Feb $ 1,095.00
BIS
Bismarck
Allegiant Air
2 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
BIS
Bismarck
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Last minute flights from Bismarck to Sofia

25 Jan - 01 Feb $ 1,046.00
BIS
Bismarck
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
BIS
Bismarck
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25 Jan - 01 Feb $ 1,052.00
BIS
Bismarck
Allegiant Air
2 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
BIS
Bismarck
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18 Jan - 01 Feb $ 1,187.00
BIS
Bismarck
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
BIS
Bismarck
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One-way flights to Sofia from Bismarck

11:46 AM - 7:30 PM
Lufthansa
2 Stops
26h 59m
BIS - SOF
$ 391
Kiwi
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9:00 AM - 10:20 AM
United Airlines
2 Stops
20h 35m
BIS - SOF
$ 445
Kiwi
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5:30 AM - 10:20 AM
United Airlines
2 Stops
24h 5m
BIS - SOF
$ 445
Kiwi
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How to find the cheapest flight from Bismarck (BIS) to Sofia (SOF)

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