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Cheap flights from Knoxville (TYS) to Portland (PDX)

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0 Children (2~11)
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How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)

How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)
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How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)
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How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)
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Cheap flights from Knoxville to Portland in July , August 2026

31 Jul - 29 Aug $ 663.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
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29 Jul - 08 Aug $ 775.00
TYS
Knoxville
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
TYS
Knoxville
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31 Jul - 01 Aug $ 853.00
TYS
Knoxville
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Portland

29 Jul - 31 Jul $ 851.00
TYS
Knoxville
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
TYS
Knoxville
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29 Jul - 31 Jul $ 851.00
TYS
Knoxville
Alaska Airlines
1 STOPS
PDX
Portland
PDX
Portland
Alaska Airlines
1 STOPS
TYS
Knoxville
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25 Jul - 31 Jul $ 902.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
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One-way flights to Portland from Knoxville

6:30 AM - 2:30 PM
Frontier Airlines
2 Stops
13h 24m
TYS - PDX
$ 339
Kiwi
Pick dates
4:56 PM - 7:30 PM
United Airlines
1 Stops
7h 19m
TYS - PDX
$ 427
Kiwi
Pick dates
4:56 PM - 7:30 PM
United Airlines
1 Stops
7h 19m
TYS - PDX
$ 477
Kiwi
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How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)

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How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)
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 Portland (PDX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.