$139 Cheap Delta flights Austin (AUS) to Ontario (ONT)

View $139 flight on Tue, May 19, 2026Opens in a new window

$139 Cheap Delta flights Austin (AUS) to Ontario (ONT)

Prices were available within the past 7 days and start at $139 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 19 - Thu, May 28
AUS
Austin
ONT
Ontario
$277 Roundtrip, found 4 days ago
$277
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, May 19 from Austin to Ontario, returning Thu, May 28, priced at $277 found 4 days ago
Delta
Tue, May 19 - Thu, May 28
AUS
Austin
ONT
Ontario
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, May 19 from Austin to Ontario, returning Thu, May 28, priced at $324 found 4 days ago

Find the cheapest month to fly from Austin (AUS) to Ontario (ONT)

April is typically the cheapest month to fly

From $115 - $466 per traveler.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
1909 km
Average flight time
1 hour 43 mins

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