San Francisco (SFO) to Austin (AUS) flight deal from $185 USD in economy class

UAUnited Airlines

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

AUS

Austin-Bergstrom International Ai

Austin, United States

$253 USD

-27%$185 USD

Verified Apr 6, 2026 at 11:58 PM

April 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30 31 1 2 3 4 5 6$352 7$309 8$309 9$309 10$309 11$309 12$309 13$263 14$246 15$246 16$256 17$256 18$246 19$246 20$202 21$202 22$202 23$245 24$212 25$202 26$212 27$211 28$185 29$185 30$211 1$188 2$191 3$191

Fair Availability

28% of dates checked are available within 10% of the lowest price

Wednesday, April 22nd, 2026

9 round-trip options

Returning

Mon, Apr 27, 2026•5 Day Trip

$228 USD

Google Flights

Returning

Tue, Apr 28, 2026•6 Day Trip

$202 USD

Google Flights

Returning

Wed, Apr 29, 2026•7 Day Trip

$202 USD

Google Flights

Returning

Fri, May 1, 2026•9 Day Trip

$214 USD

Google Flights

Returning

Sat, May 2, 2026•10 Day Trip

$205 USD

Google Flights

Returning

Sun, May 3, 2026•11 Day Trip

$310 USD

Google Flights

Returning

Mon, May 4, 2026•12 Day Trip

$228 USD

Google Flights

Returning

Tue, May 5, 2026•13 Day Trip

$202 USD

Google Flights

Returning

Wed, May 6, 2026•14 Day Trip

$202 USD

Google Flights