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Cheap flights from Knoxville (TYS) to Lisbon (LIS)

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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 Lisbon (LIS)

How to find the cheapest flight from Knoxville (TYS) to Lisbon (LIS)
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How to find the cheapest flight from Knoxville (TYS) to Lisbon (LIS)
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How to find the cheapest flight from Knoxville (TYS) to Lisbon (LIS)
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Cheap flights from Knoxville to Lisbon in June , July 2026

30 Jun - 07 Jul $ 1,635.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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30 Jun - 04 Jul $ 2,361.00
TYS
Knoxville
Brussels Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
Brussels Airlines
2 STOPS
TYS
Knoxville
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30 Jun - 05 Jul $ 2,744.00
TYS
Knoxville
Aer Lingus
2 STOPS
LIS
Lisbon
LIS
Lisbon
Aer Lingus
2 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Lisbon

29 Jun - 02 Jul $ 2,036.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
TYS
Knoxville
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29 Jun - 02 Jul $ 2,044.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
2 STOPS
TYS
Knoxville
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29 Jun - 01 Jul $ 2,079.00
TYS
Knoxville
Frontier Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
Frontier Airlines
3 STOPS
TYS
Knoxville
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One-way flights to Lisbon from Knoxville

7:19 PM - 10:25 PM
United Airlines
1 Stops
10h 11m
TYS - LIS
$ 854
Kiwi
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7:19 PM - 10:25 PM
United Airlines
1 Stops
10h 11m
TYS - LIS
$ 854
Kiwi
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1:54 PM - 8:25 PM
United Airlines
2 Stops
13h 26m
TYS - LIS
$ 854
Kiwi
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How to find the cheapest flight from Knoxville (TYS) to Lisbon (LIS)

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