Flights to Northwest Washington from Houston - ￥11,820

View ￥11,820 flight on Wed, Oct 29, 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 ￥11,820 for one-way flights and ￥24,610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 6 - Sat, Sep 13
IAH
Houston
SEA
Seattle
￥24,610 Roundtrip, found 6 days ago
￥24,610
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 6 from Houston to Seattle, returning Sat, Sep 13, priced at ￥24,610 found 6 days ago
American Airlines
Sat, Sep 6 - Sat, Sep 13
IAH
Houston
SEA
Seattle
￥25,370 Roundtrip, found 6 days ago
￥25,370
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 6 from Houston to Seattle, returning Sat, Sep 13, priced at ￥25,370 found 6 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
IAH
Houston
SEA
Seattle
￥25,580 Roundtrip, found 6 days ago
￥25,580
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 6 from Houston to Seattle, returning Sat, Sep 13, priced at ￥25,580 found 6 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
IAH
Houston
SEA
Seattle
￥27,040 Roundtrip, found 6 days ago
￥27,040
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 6 from Houston to Seattle, returning Sat, Sep 13, priced at ￥27,040 found 6 days ago
American Airlines
Fri, Sep 12 - Wed, Sep 17
IAH
Houston
SEA
Seattle
￥27,100 Roundtrip, found 5 days ago
￥27,100
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Sep 12 from Houston to Seattle, returning Wed, Sep 17, priced at ￥27,100 found 5 days ago
United
Sat, Sep 6 - Sat, Sep 13
IAH
Houston
SEA
Seattle
￥30,290 Roundtrip, found 6 days ago
￥30,290
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 6 from Houston to Seattle, returning Sat, Sep 13, priced at ￥30,290 found 6 days ago
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