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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 April , May 2026

28 Apr - 05 May $ 983.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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27 Apr - 05 May $ 1,002.00
TYS
Knoxville
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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27 Apr - 05 May $ 1,070.00
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

23 Apr - 30 Apr $ 1,118.00
TYS
Knoxville
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
TYS
Knoxville
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23 Apr - 01 May $ 1,119.00
TYS
Knoxville
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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23 Apr - 30 Apr $ 1,371.00
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

7:18 PM - 10:30 PM
United Airlines
1 Stops
10h 12m
TYS - LIS
$ 543
Kiwi
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7:00 AM - 10:30 PM
United Airlines
2 Stops
22h 30m
TYS - LIS
$ 584
Kiwi
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7:20 PM - 10:30 PM
United Airlines
1 Stops
10h 10m
TYS - LIS
$ 628
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.