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.

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$172 Roundtrip, found 3 days ago

$172

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $172 found 3 days ago

Sat, Jun 7 - Tue, Jun 24

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$183 Roundtrip, found 3 days ago

$183

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Jun 7 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $183 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$183 Roundtrip, found 3 days ago

$183

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $183 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$183 Roundtrip, found 3 days ago

$183

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $183 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$193 Roundtrip, found 3 days ago

$193

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $193 found 3 days ago

Sat, Jun 7 - Mon, Jun 23

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$200 Roundtrip, found 4 days ago

$200

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Jun 7 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Mon, Jun 23, priced at $200 found 4 days ago

Mon, Jun 9 - Tue, Jun 24

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$203 Roundtrip, found 3 days ago

$203

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $203 found 3 days ago

Thu, Jun 12 - Wed, Jun 18

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$203 Roundtrip, found 3 days ago

$203

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Thu, Jun 12 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Wed, Jun 18, priced at $203 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$208 Roundtrip, found 3 days ago

$208

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $208 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$213 Roundtrip, found 3 days ago

$213

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $213 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$223 Roundtrip, found 3 days ago

$223

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $223 found 3 days ago

Tue, Jun 10 - Mon, Jun 23

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$225 Roundtrip, found 3 days ago

$225

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Jun 10 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Mon, Jun 23, priced at $225 found 3 days ago

Sat, Jun 7 - Sun, Jun 22

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$227 Roundtrip, found 4 days ago

$227

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Jun 7 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Jun 22, priced at $227 found 4 days ago

Tue, Jun 10 - Tue, Jun 24

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$228 Roundtrip, found 4 days ago

$228

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Jun 10 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $228 found 4 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$228 Roundtrip, found 3 days ago

$228

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $228 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$232 Roundtrip, found 3 days ago

$232

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $232 found 3 days ago

Thu, Jun 12 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$238 Roundtrip, found 3 days ago

$238

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Thu, Jun 12 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $238 found 3 days ago

Mon, Jun 9 - Sat, Jun 21

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$238 Roundtrip, found 3 days ago

$238

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $238 found 3 days ago

Mon, May 12 - Tue, May 13

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$270 Roundtrip, found 6 days ago

$270

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, May 12 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, May 13, priced at $270 found 6 days ago

Tue, Jun 10 - Tue, Jun 24

IAH

George Bush Intercontinental

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 4 days ago

$277

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Jun 10 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $277 found 4 days ago