Cheap flights from Seattle to Galveston Island State Park

View AU$200 flight on Sun, 14 Sep. 2025Opens in a new window

Popular airlines from Seattle to Galveston Island State Park

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle (SEA) to Galveston Island State Park (IAH)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 29 Oct. - Wed, 19 Nov.
SEA
Seattle
IAH
Houston
AU$333 Return, found 1 day ago
AU$333
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 29 Oct. from Seattle to Houston, returning Wed, 19 Nov., priced at AU$333 found 1 day ago
Hawaiian Airlines
Wed, 13 Aug. - Tue, 19 Aug.
SEA
Seattle
IAH
Houston
AU$333 Return, found 1 day ago
AU$333
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, 13 Aug. from Seattle to Houston, returning Tue, 19 Aug., priced at AU$333 found 1 day ago
Hawaiian Airlines
Wed, 13 Aug. - Wed, 27 Aug.
SEA
Seattle
IAH
Houston
AU$348 Return, found 1 day ago
AU$348
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, 13 Aug. from Seattle to Houston, returning Wed, 27 Aug., priced at AU$348 found 1 day ago
Delta
Wed, 19 Nov. - Sat, 6 Dec.
SEA
Seattle
IAH
Houston
AU$363 Return, found 1 day ago
AU$363
Return
found 1 day ago
Select Delta flight, departing Wed, 19 Nov. from Seattle to Houston, returning Sat, 6 Dec., priced at AU$363 found 1 day ago
Hawaiian Airlines
Wed, 24 Sep. - Fri, 10 Oct.
SEA
Seattle
IAH
Houston
AU$378 Return, found 1 day ago
AU$378
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, 24 Sep. from Seattle to Houston, returning Fri, 10 Oct., priced at AU$378 found 1 day ago
United
Thu, 27 Nov. - Sat, 13 Dec.
SEA
Seattle
IAH
Houston
AU$502 Return, found 1 day ago
AU$502
Return
found 1 day ago
Select United flight, departing Thu, 27 Nov. from Seattle to Houston, returning Sat, 13 Dec., priced at AU$502 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Houston (IAH)

October is typically the cheapest month to fly

From AU$175 - AU$394 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.