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

  • Jetstar

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    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • 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.

Delta
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
PDX
Portland
AU$486 Return, found 6 days ago
AU$486
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep. from Washington to Portland, returning Mon, 8 Sep., priced at AU$486 found 6 days ago
Alaska Airlines
Sat, 8 Nov. - Sat, 15 Nov.
IAD
Washington
PDX
Portland
AU$489 Return, found 4 days ago
AU$489
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 8 Nov. from Washington to Portland, returning Sat, 15 Nov., priced at AU$489 found 4 days ago
Delta
Sat, 8 Nov. - Sat, 15 Nov.
IAD
Washington
PDX
Portland
AU$490 Return, found 4 days ago
AU$490
Return
found 4 days ago
Select Delta flight, departing Sat, 8 Nov. from Washington to Portland, returning Sat, 15 Nov., priced at AU$490 found 4 days ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
BWI
Baltimore
PDX
Portland
AU$517 Return, found 6 days ago
AU$517
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep. from Baltimore to Portland, returning Mon, 8 Sep., priced at AU$517 found 6 days ago
American Airlines
Sat, 8 Nov. - Sat, 15 Nov.
IAD
Washington
PDX
Portland
AU$551 Return, found 4 days ago
AU$551
Return
found 4 days ago
Select American Airlines flight, departing Sat, 8 Nov. from Washington to Portland, returning Sat, 15 Nov., priced at AU$551 found 4 days ago
United
Sat, 8 Nov. - Sat, 15 Nov.
IAD
Washington
PDX
Portland
AU$582 Return, found 4 days ago
AU$582
Return
found 4 days ago
Select United flight, departing Sat, 8 Nov. from Washington to Portland, returning Sat, 15 Nov., priced at AU$582 found 4 days 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.