Flights to Northwest Washington from Houston - ￥11,830

View ￥11,830 flight on Sat, Sep 20, 2025Opens in a new window

Popular airlines from Houston to Northwest Washington

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Cheap Flights from Houston to Northwest Washington (HOU-SEA)

Prices were available within the past 7 days and start at ￥11,830 for one-way flights and ￥27,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 12 - Wed, Sep 17
IAH
Houston
SEA
Seattle
￥27,100 Roundtrip, found 6 days ago
￥27,100
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 12 from Houston to Seattle, returning Wed, Sep 17, priced at ￥27,100 found 6 days ago
Delta
Fri, Sep 12 - Wed, Sep 17
IAH
Houston
SEA
Seattle
￥28,070 Roundtrip, found 6 days ago
￥28,070
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Sep 12 from Houston to Seattle, returning Wed, Sep 17, priced at ￥28,070 found 6 days ago
Delta
Sat, Aug 30 - Sat, Sep 6
IAH
Houston
SEA
Seattle
￥28,760 Roundtrip, found 4 days ago
￥28,760
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 30 from Houston to Seattle, returning Sat, Sep 6, priced at ￥28,760 found 4 days ago
Delta
Sat, Aug 30 - Sat, Sep 6
IAH
Houston
SEA
Seattle
￥29,530 Roundtrip, found 4 days ago
￥29,530
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 30 from Houston to Seattle, returning Sat, Sep 6, priced at ￥29,530 found 4 days ago
Delta
Sat, Aug 30 - Sat, Sep 6
IAH
Houston
SEA
Seattle
￥29,720 Roundtrip, found 4 days ago
￥29,720
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 30 from Houston to Seattle, returning Sat, Sep 6, priced at ￥29,720 found 4 days ago
United
Sat, Aug 30 - Sat, Sep 6
IAH
Houston
SEA
Seattle
￥30,660 Roundtrip, found 4 days ago
￥30,660
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 30 from Houston to Seattle, returning Sat, Sep 6, priced at ￥30,660 found 4 days ago
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