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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 November , December 2026

26 Nov - 13 Dec $ 735.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
1 STOPS
TYS
Knoxville
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26 Nov - 17 Dec $ 774.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
1 STOPS
TYS
Knoxville
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25 Nov - 13 Dec $ 793.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
1 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Lisbon

26 Nov - 01 Dec $ 1,001.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
TYS
Knoxville
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25 Nov - 01 Dec $ 1,058.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
TYS
Knoxville
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27 Nov - 01 Dec $ 1,077.00
TYS
Knoxville
Allegiant Air
1 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
TYS
Knoxville
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One-way flights to Lisbon from Knoxville

8:10 AM - 12:10 AM
TAP Portugal
1 Stops
22h 55m
TYS - LIS
$ 376
Kiwi
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10:10 AM - 12:10 AM
TAP Portugal
1 Stops
20h 55m
TYS - LIS
$ 434
Kiwi
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6:00 AM - 10:10 PM
TAP Portugal
1 Stops
22h 45m
TYS - LIS
$ 440
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.