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

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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 June , July 2026

30 Jun - 10 Jul $ 1,525.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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30 Jun - 10 Jul $ 1,616.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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30 Jun - 27 Jul $ 1,625.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Sofia

29 Jun - 02 Jul $ 1,954.00
TYS
Knoxville
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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29 Jun - 02 Jul $ 2,013.00
TYS
Knoxville
Allegiant Air
2 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
TYS
Knoxville
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29 Jun - 02 Jul $ 2,021.00
TYS
Knoxville
WestJet
2 STOPS
SOF
Sofia
SOF
Sofia
WestJet
3 STOPS
TYS
Knoxville
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One-way flights to Sofia from Knoxville

7:22 PM - 8:10 PM
Wizz Air
3 Stops
44h 43m
TYS - SOF
$ 774
Kiwi
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8:30 AM - 12:45 PM
Wizz Air
3 Stops
24h 15m
TYS - SOF
$ 858
Kiwi
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12:49 PM - 4:35 PM
Wizz Air
3 Stops
23h 41m
TYS - SOF
$ 986
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.