$399 Cheap Delta flights Ontario (ONT) to Austin (AUS)

View $399 flight on Wed, Aug 20, 2025Opens in a new window

$399 Cheap Delta flights Ontario (ONT) to Austin (AUS)

Prices were available within the past 7 days and start at $399 for one-way flights and $688 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 20 - Sat, Aug 23
ONT
Ontario
AUS
Austin
$688 Roundtrip, found 19 hours ago
$688
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Aug 20 from Ontario to Austin, returning Sat, Aug 23, priced at $688 found 19 hours ago
Flights from Ontario (ONT) to Austin (AUS)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
American Airlines
Distance
1909 km
Average flight time
5 hours 40 mins