Flights from Houston to Northwest Washington

Cheapest flights from Houston

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 30 - Sat, Oct 4

HOU

William P. Hobby

SEA

Seattle - Tacoma Intl.

$185 Roundtrip, found 2 hours ago

$185

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Tue, Sep 30 from William P. Hobby to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $185 found 2 hours ago

Mon, Sep 22 - Wed, Sep 24

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$185 Roundtrip, just found

$185

Roundtrip

just found

Select Delta flight, departing Mon, Sep 22 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Wed, Sep 24, priced at $185 just found

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$201 Roundtrip, found 2 hours ago

$201

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $201 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$201 Roundtrip, found 2 hours ago

$201

Roundtrip

found 2 hours ago

Select United flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $201 found 2 hours ago

Fri, Sep 19 - Wed, Sep 24

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$208 Roundtrip, just found

$208

Roundtrip

just found

Select Delta flight, departing Fri, Sep 19 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Wed, Sep 24, priced at $208 just found

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$211 Roundtrip, found 2 hours ago

$211

Roundtrip

found 2 hours ago

Select United flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $211 found 2 hours ago

Sat, Sep 27 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 5 days ago

$217

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Sat, Sep 27 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $217 found 5 days ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 2 hours ago

$217

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $217 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 2 hours ago

$217

Roundtrip

found 2 hours ago

Select United flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $217 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$221 Roundtrip, found 2 hours ago

$221

Roundtrip

found 2 hours ago

Select United flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $221 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$227 Roundtrip, found 2 hours ago

$227

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $227 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$230 Roundtrip, found 2 hours ago

$230

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $230 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$230 Roundtrip, found 2 hours ago

$230

Roundtrip

found 2 hours ago

Select United flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $230 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$237 Roundtrip, found 2 hours ago

$237

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $237 found 2 hours ago

Wed, Sep 17 - Sun, Sep 28

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$237 Roundtrip, just found

$237

Roundtrip

just found

Select Hawaiian Airlines flight, departing Wed, Sep 17 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $237 just found

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$241 Roundtrip, found 2 hours ago

$241

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $241 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$246 Roundtrip, found 2 hours ago

$246

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $246 found 2 hours ago

Tue, Sep 30 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$246 Roundtrip, found 2 hours ago

$246

Roundtrip

found 2 hours ago

Select United flight, departing Tue, Sep 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $246 found 2 hours ago

Sat, Aug 30 - Fri, Sep 5

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$247 Roundtrip, found 5 days ago

$247

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Sat, Aug 30 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Fri, Sep 5, priced at $247 found 5 days ago

Tue, Aug 26 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$248 Roundtrip, found 22 hours ago

$248

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Tue, Aug 26 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $248 found 22 hours ago