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

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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 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 August , September 2026

31 Aug - 05 Sep $ 572.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
31 Aug - 05 Sep $ 572.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
31 Aug - 05 Sep $ 572.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to Portland

24 Aug - 31 Aug $ 775.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
24 Aug - 01 Sep $ 775.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
24 Aug - 31 Aug $ 905.00
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

7:00 AM - 3:28 PM
Frontier Airlines
1 Stops
13h 11m
TYS - PDX
$ 290
Kiwi
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9:00 AM - 11:30 AM
United Airlines
1 Stops
7h 14m
TYS - PDX
$ 427
Kiwi
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4:50 PM - 7:20 PM
United Airlines
1 Stops
7h 15m
TYS - PDX
$ 427
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.