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

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0 Children (2~11)
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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 July , August 2026

26 Jul - 28 Aug $ 1,187.00
TYS
Knoxville
WestJet
1 STOPS
LIS
Lisbon
LIS
Lisbon
WestJet
3 STOPS
TYS
Knoxville
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31 Jul - 07 Aug $ 2,110.00
TYS
Knoxville
Brussels Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
Brussels Airlines
2 STOPS
TYS
Knoxville
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31 Jul - 03 Aug $ 2,358.00
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

26 Jul - 31 Jul $ 1,720.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
2 STOPS
TYS
Knoxville
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27 Jul - 31 Jul $ 1,753.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
2 STOPS
TYS
Knoxville
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26 Jul - 31 Jul $ 1,818.00
TYS
Knoxville
WestJet
1 STOPS
LIS
Lisbon
LIS
Lisbon
WestJet
2 STOPS
TYS
Knoxville
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One-way flights to Lisbon from Knoxville

7:30 AM - 10:40 PM
TAP Portugal
1 Stops
21h 45m
TYS - LIS
$ 579
Kiwi
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7:19 PM - 10:25 PM
United Airlines
1 Stops
10h 11m
TYS - LIS
$ 732
Kiwi
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7:19 PM - 10:25 PM
United Airlines
1 Stops
10h 11m
TYS - LIS
$ 738
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.