Cheap flights from Washington to Galveston Island State Park

View AU$152 flight on Sat, 1 Nov. 2025Opens in a new window

Popular airlines from Washington 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 Washington (WAS) 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.

American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
BWI
Baltimore
IAH
Houston
AU$363 Return, found 6 days ago
AU$363
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Baltimore to Houston, returning Mon, 8 Sep., priced at AU$363 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
BWI
Baltimore
IAH
Houston
AU$380 Return, found 6 days ago
AU$380
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Baltimore to Houston, returning Mon, 8 Sep., priced at AU$380 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
BWI
Baltimore
IAH
Houston
AU$395 Return, found 6 days ago
AU$395
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Baltimore to Houston, returning Mon, 8 Sep., priced at AU$395 found 6 days ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
IAH
Houston
AU$398 Return, found 6 days ago
AU$398
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Washington to Houston, returning Mon, 8 Sep., priced at AU$398 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
IAH
Houston
AU$404 Return, found 6 days ago
AU$404
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Washington to Houston, returning Mon, 8 Sep., priced at AU$404 found 6 days ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
IAH
Houston
AU$427 Return, found 6 days ago
AU$427
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep. from Washington to Houston, returning Mon, 8 Sep., priced at AU$427 found 6 days ago

Find the cheapest month to fly from Washington (WAS) to Houston (IAH)

September is typically the cheapest month to fly

From AU$125 - AU$328 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.