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

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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 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 October , November 2026

28 Oct - 26 Nov $ 832.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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28 Oct - 26 Nov $ 832.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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29 Oct - 05 Nov $ 891.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Lisbon

24 Oct - 02 Nov $ 1,084.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
TYS
Knoxville
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24 Oct - 01 Nov $ 1,227.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
2 STOPS
TYS
Knoxville
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24 Oct - 01 Nov $ 1,299.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
TYS
Knoxville
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One-way flights to Lisbon from Knoxville

6:00 AM - 11:10 PM
TAP Portugal
1 Stops
23h 45m
TYS - LIS
$ 345
Kiwi
Pick dates
7:25 PM - 10:25 PM
United Airlines
1 Stops
10h 5m
TYS - LIS
$ 591
Kiwi
Pick dates
7:25 PM - 10:25 PM
United Airlines
1 Stops
10h 5m
TYS - LIS
$ 593
Kiwi
Pick dates

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.