Ontario to Austin

ONTAUS

Fly from Ontario to Austin starting at SAR 518 with Alaska Airlines.Best fare available on Nov 13, 2026.Limited seats. Better plans. Book before it's gone.

Ontario to Austin cheapest flights this week

24 Jul
Frontier Airlines
06:00ONT
11:30AUS
1 StopSAR 574VIEW DEAL
24 Jul
Frontier Airlines
11:52ONT
13:09AUS
1 StopSAR 522VIEW DEAL
28 Jul
Frontier Airlines
06:00ONT
22:07AUS
1 StopSAR 777VIEW DEAL
3 Aug
Frontier Airlines
06:00ONT
22:07AUS
1 StopSAR 596VIEW DEAL
23 Oct
Southwest Airlines
13:05ONT
19:15AUS
1 StopSAR 562VIEW DEAL
13 Nov
Alaska Airlines
06:00ONT
16:32AUS
1 StopSAR 518VIEW DEAL
14 Nov
Alaska Airlines
06:00ONT
16:32AUS
1 StopSAR 518VIEW DEAL

Ontario to Austin monthly flight fare trend

Jul
from SAR 522
Aug
from SAR 596
Sep
No flights
Oct
from SAR 562
Nov
from SAR 518
Dec
No flights

Airport Details

Origin

Ontario

Ontario International Airport (ONT)

Ontario, ONT
Zone

Los Angeles

Elev

944 ft

Destination

Austin

Austin Bergstrom International Airport (AUS)

Austin, AUS
Zone

Chicago

Elev

542 ft