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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 August , September 2026

22 Aug - 12 Sep $ 1,097.00
TYS
Knoxville
WestJet
1 STOPS
LIS
Lisbon
LIS
Lisbon
WestJet
3 STOPS
TYS
Knoxville
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22 Aug - 15 Sep $ 1,097.00
TYS
Knoxville
WestJet
1 STOPS
LIS
Lisbon
LIS
Lisbon
WestJet
3 STOPS
TYS
Knoxville
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22 Aug - 12 Sep $ 1,144.00
TYS
Knoxville
WestJet
1 STOPS
LIS
Lisbon
LIS
Lisbon
WestJet
3 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Lisbon

22 Aug - 31 Aug $ 1,439.00
TYS
Knoxville
WestJet
1 STOPS
LIS
Lisbon
LIS
Lisbon
WestJet
3 STOPS
TYS
Knoxville
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24 Aug - 31 Aug $ 1,615.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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24 Aug - 31 Aug $ 1,615.00
TYS
Knoxville
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
TYS
Knoxville
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One-way flights to Lisbon from Knoxville

9:30 AM - 10:45 PM
TAP Portugal
1 Stops
19h 50m
TYS - LIS
$ 538
Kiwi
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7:20 PM - 10:25 PM
United Airlines
1 Stops
10h 10m
TYS - LIS
$ 707
Kiwi
Pick dates
7:20 PM - 10:25 PM
United Airlines
1 Stops
10h 10m
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.