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Cheap flights from Knoxville (TYS) to London (LCY)

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0 Children (2~11)
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How to find the cheapest flight from Knoxville (TYS) to London (LCY)

How to find the cheapest flight from Knoxville (TYS) to London (LCY)
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How to find the cheapest flight from Knoxville (TYS) to London (LCY)
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How to find the cheapest flight from Knoxville (TYS) to London (LCY)
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Cheap flights from Knoxville to London in December 2025 , January 2026

31 Dec - 30 Jan $ 1,002.00
TYS
Knoxville
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
2 STOPS
TYS
Knoxville
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31 Dec - 28 Jan $ 1,018.00
TYS
Knoxville
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
TYS
Knoxville
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31 Dec - 30 Jan $ 1,074.00
TYS
Knoxville
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
2 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to London

30 Dec - 01 Jan $ 1,579.00
TYS
Knoxville
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
2 STOPS
TYS
Knoxville
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29 Dec - 01 Jan $ 1,630.00
TYS
Knoxville
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
2 STOPS
TYS
Knoxville
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30 Dec - 01 Jan $ 1,682.00
TYS
Knoxville
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
2 STOPS
TYS
Knoxville
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One-way flights to London from Knoxville

11:00 AM - 12:10 PM
Swiss International Air Lines
2 Stops
20h 55m
TYS - LCY
$ 467
Kiwi
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2:00 PM - 12:10 PM
United Airlines
2 Stops
17h 55m
TYS - LCY
$ 498
Kiwi
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2:00 PM - 12:10 PM
United Airlines
2 Stops
17h 55m
TYS - LCY
$ 503
Kiwi
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How to find the cheapest flight from Knoxville (TYS) to London (LCY)

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