Cheap flights from Seattle to South Texas

View AU$148 flight on Fri, 17 Oct. 2025Opens in a new window

Popular airlines from Seattle to South Texas

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seattle (SEA) to South Texas (HOU)

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.

Delta
Thu, 6 Nov. - Sun, 9 Nov.
SEA
Seattle
SAT
San Antonio
AU$359 Return, found 15 hours ago
AU$359
Return
found 15 hours ago
Select Delta flight, departing Thu, 6 Nov. from Seattle to San Antonio, returning Sun, 9 Nov., priced at AU$359 found 15 hours ago
Alaska Airlines
Thu, 6 Nov. - Sun, 9 Nov.
SEA
Seattle
SAT
San Antonio
AU$360 Return, found 15 hours ago
AU$360
Return
found 15 hours ago
Select Alaska Airlines flight, departing Thu, 6 Nov. from Seattle to San Antonio, returning Sun, 9 Nov., priced at AU$360 found 15 hours ago
Delta
Thu, 6 Nov. - Sun, 9 Nov.
SEA
Seattle
SAT
San Antonio
AU$389 Return, found 15 hours ago
AU$389
Return
found 15 hours ago
Select Delta flight, departing Thu, 6 Nov. from Seattle to San Antonio, returning Sun, 9 Nov., priced at AU$389 found 15 hours ago
Alaska Airlines
Thu, 6 Nov. - Sun, 9 Nov.
SEA
Seattle
SAT
San Antonio
AU$390 Return, found 15 hours ago
AU$390
Return
found 15 hours ago
Select Alaska Airlines flight, departing Thu, 6 Nov. from Seattle to San Antonio, returning Sun, 9 Nov., priced at AU$390 found 15 hours ago
American Airlines
Thu, 6 Nov. - Sun, 9 Nov.
SEA
Seattle
SAT
San Antonio
AU$448 Return, found 15 hours ago
AU$448
Return
found 15 hours ago
Select American Airlines flight, departing Thu, 6 Nov. from Seattle to San Antonio, returning Sun, 9 Nov., priced at AU$448 found 15 hours ago
United
Thu, 6 Nov. - Sun, 9 Nov.
SEA
Seattle
SAT
San Antonio
AU$618 Return, found 15 hours ago
AU$618
Return
found 15 hours ago
Select United flight, departing Thu, 6 Nov. from Seattle to San Antonio, returning Sun, 9 Nov., priced at AU$618 found 15 hours ago

Find the cheapest month to fly from Seattle (SEA) to San Antonio (SAT)

September is typically the cheapest month to fly

From AU$145 - AU$274 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.