Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)

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.
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.

Cheap flights from Knoxville to Portland in February , March 2026

28 Feb - 07 Mar $ 810.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
28 Feb - 07 Mar $ 810.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
28 Feb - 07 Mar $ 810.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates

Last minute flights from Knoxville to Portland

27 Feb - 28 Feb $ 867.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
27 Feb - 28 Feb $ 867.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
27 Feb - 28 Feb $ 867.00
TYS
Knoxville
United Airlines
1 STOPS
PDX
Portland
PDX
Portland
United Airlines
1 STOPS
TYS
Knoxville
Pick dates

One-way flights to Portland from Knoxville

12:21 PM - 5:39 PM
Alaska Airlines
1 Stops
10h 40m
TYS - PDX
$ 428
Kiwi
Pick dates
8:45 AM - 11:50 AM
United Airlines
1 Stops
7h 59m
TYS - PDX
$ 434
Kiwi
Pick dates
1:50 PM - 4:15 PM
United Airlines
1 Stops
7h 59m
TYS - PDX
$ 436
Kiwi
Pick dates

How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)

Related info for your journey
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.
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.