Cheap flights from Washington to Kelso - Longview

View AU$236 flight on Thu, 8 Jan. 2026Opens in a new window

Popular airlines from Washington to Kelso - Longview

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Washington (WAS) to Kelso - Longview (PDX)

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.

Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
DCA
Washington
PDX
Portland
AU$450 Return, found 9 hours ago
AU$450
Return
found 9 hours ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$450 found 9 hours ago
Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
IAD
Washington
PDX
Portland
AU$480 Return, found 9 hours ago
AU$480
Return
found 9 hours ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$480 found 9 hours ago
American Airlines
Tue, 9 Sep. - Tue, 16 Sep.
DCA
Washington
PDX
Portland
AU$481 Return, found 9 hours ago
AU$481
Return
found 9 hours ago
Select American Airlines flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$481 found 9 hours ago
Delta
Tue, 9 Sep. - Tue, 16 Sep.
DCA
Washington
PDX
Portland
AU$481 Return, found 9 hours ago
AU$481
Return
found 9 hours ago
Select Delta flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$481 found 9 hours ago
Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
BWI
Baltimore
PDX
Portland
AU$495 Return, found 9 hours ago
AU$495
Return
found 9 hours ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Baltimore to Portland, returning Tue, 16 Sep., priced at AU$495 found 9 hours ago
United
Tue, 9 Sep. - Tue, 16 Sep.
BWI
Baltimore
PDX
Portland
AU$579 Return, found 9 hours ago
AU$579
Return
found 9 hours ago
Select United flight, departing Tue, 9 Sep. from Baltimore to Portland, returning Tue, 16 Sep., priced at AU$579 found 9 hours ago

Find the cheapest month to fly from Washington (WAS) to Portland (PDX)

September is typically the cheapest month to fly

From AU$147 - AU$401 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.