Cheap flights from Houston to Southwest Washington

View AU$166 flight on Sun, 17 Aug. 2025Opens in a new window

Popular airlines from Houston 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 Houston (HOU) 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, 11 Oct. - Tue, 14 Oct.
IAH
Houston
PDX
Portland
AU$271 Return, found 1 day ago
AU$271
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 11 Oct. from Houston to Portland, returning Tue, 14 Oct., priced at AU$271 found 1 day ago
Alaska Airlines
Fri, 3 Oct. - Wed, 8 Oct.
IAH
Houston
PDX
Portland
AU$289 Return, found 4 days ago
AU$289
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 3 Oct. from Houston to Portland, returning Wed, 8 Oct., priced at AU$289 found 4 days ago
American Airlines
Sat, 11 Oct. - Tue, 14 Oct.
IAH
Houston
PDX
Portland
AU$302 Return, found 1 day ago
AU$302
Return
found 1 day ago
Select American Airlines flight, departing Sat, 11 Oct. from Houston to Portland, returning Tue, 14 Oct., priced at AU$302 found 1 day ago
Alaska Airlines
Sat, 11 Oct. - Tue, 14 Oct.
IAH
Houston
PDX
Portland
AU$318 Return, found 1 day ago
AU$318
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 11 Oct. from Houston to Portland, returning Tue, 14 Oct., priced at AU$318 found 1 day ago
Delta
Sat, 11 Oct. - Tue, 14 Oct.
IAH
Houston
PDX
Portland
AU$364 Return, found 1 day ago
AU$364
Return
found 1 day ago
Select Delta flight, departing Sat, 11 Oct. from Houston to Portland, returning Tue, 14 Oct., priced at AU$364 found 1 day ago
United
Sat, 11 Oct. - Tue, 14 Oct.
IAH
Houston
PDX
Portland
AU$387 Return, found 1 day ago
AU$387
Return
found 1 day ago
Select United flight, departing Sat, 11 Oct. from Houston to Portland, returning Tue, 14 Oct., priced at AU$387 found 1 day ago
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