Cheap flights from Seattle to Southwest Washington

View AU$106 flight on Sat, 1 Nov. 2025Opens in a new window

Popular airlines from Seattle to Southwest Washington

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seattle (SEA) to Southwest Washington (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, 12 Aug. - Sat, 16 Aug.
SEA
Seattle
PDX
Portland
AU$149 Return, found 6 days ago
AU$149
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 12 Aug. from Seattle to Portland, returning Sat, 16 Aug., priced at AU$149 found 6 days ago
Alaska Airlines
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
PDX
Portland
AU$150 Return, found 4 days ago
AU$150
Return
found 4 days ago
Select Alaska Airlines flight, departing Tue, 2 Sep. from Seattle to Portland, returning Tue, 9 Sep., priced at AU$150 found 4 days ago
Delta
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
PDX
Portland
AU$151 Return, found 4 days ago
AU$151
Return
found 4 days ago
Select Delta flight, departing Tue, 2 Sep. from Seattle to Portland, returning Tue, 9 Sep., priced at AU$151 found 4 days ago
Delta
Tue, 12 Aug. - Sat, 16 Aug.
SEA
Seattle
PDX
Portland
AU$180 Return, found 6 days ago
AU$180
Return
found 6 days ago
Select Delta flight, departing Tue, 12 Aug. from Seattle to Portland, returning Sat, 16 Aug., priced at AU$180 found 6 days ago
Alaska Airlines
Tue, 12 Aug. - Sat, 16 Aug.
SEA
Seattle
PDX
Portland
AU$195 Return, found 6 days ago
AU$195
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 12 Aug. from Seattle to Portland, returning Sat, 16 Aug., priced at AU$195 found 6 days ago
Alaska Airlines
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
PDX
Portland
AU$196 Return, found 4 days ago
AU$196
Return
found 4 days ago
Select Alaska Airlines flight, departing Tue, 2 Sep. from Seattle to Portland, returning Tue, 9 Sep., priced at AU$196 found 4 days ago
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