Cheap flights from Seattle to Southwest Washington

View AU$104 flight on Wed, 17 Sep. 2025Opens in a new window

Popular airlines from Seattle to Southwest Washington

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    Qantas Airways

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    Scoot

  • American Airlines

    American Airlines

  • Emirates

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  • 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
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
PDX
Portland
AU$148 Return, found 1 day ago
AU$148
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 1 Nov. from Seattle to Portland, returning Wed, 5 Nov., priced at AU$148 found 1 day ago
Delta
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
PDX
Portland
AU$148 Return, found 1 day ago
AU$148
Return
found 1 day ago
Select Delta flight, departing Sat, 1 Nov. from Seattle to Portland, returning Wed, 5 Nov., priced at AU$148 found 1 day ago
Alaska Airlines
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
PDX
Portland
AU$163 Return, found 1 day ago
AU$163
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 1 Nov. from Seattle to Portland, returning Wed, 5 Nov., priced at AU$163 found 1 day ago
Alaska Airlines
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
PDX
Portland
AU$178 Return, found 1 day ago
AU$178
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 1 Nov. from Seattle to Portland, returning Wed, 5 Nov., priced at AU$178 found 1 day ago
Alaska Airlines
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
PDX
Portland
AU$193 Return, found 1 day ago
AU$193
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 1 Nov. from Seattle to Portland, returning Wed, 5 Nov., priced at AU$193 found 1 day ago
Alaska Airlines
Sat, 1 Nov. - Wed, 5 Nov.
SEA
Seattle
PDX
Portland
AU$208 Return, found 1 day ago
AU$208
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 1 Nov. from Seattle to Portland, returning Wed, 5 Nov., priced at AU$208 found 1 day ago
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