Cheap flights from Portland to West Knoxville

View AU$403 flight on Wed, 20 Aug. 2025Opens in a new window

Popular airlines from Portland to West Knoxville

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

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Cheap Flights from Portland (PDX) to West Knoxville (TYS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 15 Aug. - Tue, 26 Aug.
PDX
Portland
TYS
Knoxville
AU$493 Return, found 5 days ago
AU$493
Return
found 5 days ago
Select Delta flight, departing Fri, 15 Aug. from Portland to Knoxville, returning Tue, 26 Aug., priced at AU$493 found 5 days ago
Delta
Fri, 15 Aug. - Sun, 31 Aug.
PDX
Portland
TYS
Knoxville
AU$506 Return, found 5 days ago
AU$506
Return
found 5 days ago
Select Delta flight, departing Fri, 15 Aug. from Portland to Knoxville, returning Sun, 31 Aug., priced at AU$506 found 5 days ago
Delta
Wed, 13 Aug. - Tue, 26 Aug.
PDX
Portland
TYS
Knoxville
AU$533 Return, found 5 days ago
AU$533
Return
found 5 days ago
Select Delta flight, departing Wed, 13 Aug. from Portland to Knoxville, returning Tue, 26 Aug., priced at AU$533 found 5 days ago
American Airlines
Wed, 13 Aug. - Sun, 31 Aug.
PDX
Portland
TYS
Knoxville
AU$541 Return, found 5 days ago
AU$541
Return
found 5 days ago
Select American Airlines flight, departing Wed, 13 Aug. from Portland to Knoxville, returning Sun, 31 Aug., priced at AU$541 found 5 days ago
United
Tue, 12 Aug. - Sun, 31 Aug.
PDX
Portland
TYS
Knoxville
AU$541 Return, found 5 days ago
AU$541
Return
found 5 days ago
Select United flight, departing Tue, 12 Aug. from Portland to Knoxville, returning Sun, 31 Aug., priced at AU$541 found 5 days ago
Alaska Airlines
Thu, 14 Aug. - Sat, 30 Aug.
PDX
Portland
TYS
Knoxville
AU$586 Return, found 5 days ago
AU$586
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu, 14 Aug. from Portland to Knoxville, returning Sat, 30 Aug., priced at AU$586 found 5 days ago

Find the cheapest month to fly from Portland (PDX) to Knoxville (TYS)

November is typically the cheapest month to fly

From AU$242 - AU$1,256 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.