Flights from Houston to Union

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.

Sat, Sep 13 - Sat, Oct 4

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$165 Roundtrip, found 8 hours ago

$165

Roundtrip

found 8 hours ago

Select Hawaiian Airlines flight, departing Sat, Sep 13 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $165 found 8 hours ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$171 Roundtrip, found 1 day ago

$171

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $171 found 1 day ago

Mon, Sep 15 - Tue, Oct 7

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$177 Roundtrip, found 8 hours ago

$177

Roundtrip

found 8 hours ago

Select Delta flight, departing Mon, Sep 15 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Oct 7, priced at $177 found 8 hours ago

Mon, Sep 15 - Sun, Oct 5

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$184 Roundtrip, found 8 hours ago

$184

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Mon, Sep 15 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Oct 5, priced at $184 found 8 hours ago

Sat, Sep 13 - Sun, Oct 5

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$185 Roundtrip, found 8 hours ago

$185

Roundtrip

found 8 hours ago

Select Hawaiian Airlines flight, departing Sat, Sep 13 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Oct 5, priced at $185 found 8 hours ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$185 Roundtrip, found 1 day ago

$185

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $185 found 1 day ago

Mon, Sep 15 - Sun, Oct 5

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$191 Roundtrip, found 8 hours ago

$191

Roundtrip

found 8 hours ago

Select Delta flight, departing Mon, Sep 15 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Oct 5, priced at $191 found 8 hours ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$191 Roundtrip, found 1 day ago

$191

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $191 found 1 day ago

Fri, Sep 12 - Thu, Oct 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$193 Roundtrip, found 8 hours ago

$193

Roundtrip

found 8 hours ago

Select Delta flight, departing Fri, Sep 12 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Thu, Oct 2, priced at $193 found 8 hours ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$195 Roundtrip, found 1 day ago

$195

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $195 found 1 day ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$195 Roundtrip, found 1 day ago

$195

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $195 found 1 day ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $197 found 1 day ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$201 Roundtrip, found 1 day ago

$201

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $201 found 1 day ago

Mon, Aug 18 - Tue, Sep 2

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$203 Roundtrip, found 1 day ago

$203

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Aug 18 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $203 found 1 day ago

Mon, Sep 15 - Sun, Oct 5

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$205 Roundtrip, found 8 hours ago

$205

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Mon, Sep 15 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Oct 5, priced at $205 found 8 hours ago

Mon, Sep 15 - Sun, Oct 5

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$205 Roundtrip, found 8 hours ago

$205

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Mon, Sep 15 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Oct 5, priced at $205 found 8 hours ago

Tue, Jul 29 - Mon, Aug 11

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$215 Roundtrip, found 3 days ago

$215

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Jul 29 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Mon, Aug 11, priced at $215 found 3 days ago

Tue, Jul 22 - Tue, Aug 5

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 22 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Aug 5, priced at $304 found 1 day ago

Mon, Jul 28 - Fri, Aug 1

IAH

George Bush Intercontinental

PAE

Seattle Paine Field Intl. Airport

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 28 from George Bush Intercontinental to Seattle Paine Field Intl. Airport, returning Fri, Aug 1, priced at $326 found 1 day ago

Sun, Jul 20 - Sat, Aug 2

HOU

William P. Hobby

SEA

Seattle - Tacoma Intl.

$507 Roundtrip, found 3 days ago

$507

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sun, Jul 20 from William P. Hobby to Seattle - Tacoma Intl., returning Sat, Aug 2, priced at $507 found 3 days ago