Cheap flights from Austin to South Texas

View AU$161 flight on Sat, 2 Aug. 2025Opens in a new window

Popular airlines from Austin to South Texas

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • 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 Austin (AUS) 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.

American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
AUS
Austin
BRO
Brownsville
AU$336 Return, found 4 days ago
AU$336
Return
found 4 days ago
Select American Airlines flight, departing Sat, 6 Sep. from Austin to Brownsville, returning Sat, 13 Sep., priced at AU$336 found 4 days ago
United
Sat, 6 Sep. - Sat, 13 Sep.
AUS
Austin
BRO
Brownsville
AU$428 Return, found 4 days ago
AU$428
Return
found 4 days ago
Select United flight, departing Sat, 6 Sep. from Austin to Brownsville, returning Sat, 13 Sep., priced at AU$428 found 4 days ago
American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
AUS
Austin
BRO
Brownsville
AU$438 Return, found 4 days ago
AU$438
Return
found 4 days ago
Select American Airlines flight, departing Sat, 6 Sep. from Austin to Brownsville, returning Sat, 13 Sep., priced at AU$438 found 4 days ago
American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
AUS
Austin
BRO
Brownsville
AU$466 Return, found 4 days ago
AU$466
Return
found 4 days ago
Select American Airlines flight, departing Sat, 6 Sep. from Austin to Brownsville, returning Sat, 13 Sep., priced at AU$466 found 4 days ago
American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
AUS
Austin
BRO
Brownsville
AU$480 Return, found 4 days ago
AU$480
Return
found 4 days ago
Select American Airlines flight, departing Sat, 6 Sep. from Austin to Brownsville, returning Sat, 13 Sep., priced at AU$480 found 4 days ago
United
Sat, 6 Sep. - Sat, 13 Sep.
AUS
Austin
BRO
Brownsville
AU$494 Return, found 4 days ago
AU$494
Return
found 4 days ago
Select United flight, departing Sat, 6 Sep. from Austin to Brownsville, returning Sat, 13 Sep., priced at AU$494 found 4 days ago

Find the cheapest month to fly from Austin (AUS) to San Antonio (SAT)

August is typically the cheapest month to fly

From AU$324 - AU$1,746 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.