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Cheap flights from Knoxville (TYS) to Sofia (SOF)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Knoxville (TYS) to Sofia (SOF)

How to find the cheapest flight from Knoxville (TYS) to Sofia (SOF)
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How to find the cheapest flight from Knoxville (TYS) to Sofia (SOF)
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How to find the cheapest flight from Knoxville (TYS) to Sofia (SOF)
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Cheap flights from Knoxville to Sofia in October , November 2026

19 Oct - 24 Nov $ 1,048.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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25 Oct - 24 Nov $ 1,127.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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29 Oct - 24 Nov $ 1,208.00
TYS
Knoxville
Allegiant Air
2 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Sofia

19 Oct - 01 Nov $ 1,464.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
2 STOPS
TYS
Knoxville
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25 Oct - 01 Nov $ 1,543.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
2 STOPS
TYS
Knoxville
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29 Oct - 01 Nov $ 1,617.00
TYS
Knoxville
Allegiant Air
2 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
2 STOPS
TYS
Knoxville
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One-way flights to Sofia from Knoxville

7:00 AM - 9:35 PM
Wizz Air
3 Stops
35h 35m
TYS - SOF
$ 471
Kiwi
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6:00 AM - 1:55 PM
Wizz Air
3 Stops
27h 30m
TYS - SOF
$ 572
Kiwi
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7:45 AM - 8:20 AM
Turkish Airlines
2 Stops
18h 55m
TYS - SOF
$ 664
Kiwi
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How to find the cheapest flight from Knoxville (TYS) to Sofia (SOF)

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