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$141 Cheap American Airlines flights Ontario Intl. Airport (ONT) to Las Vegas (LAS)

View $141 flight on Tue, Aug 18, 2026Opens in a new window

$141 Cheap American Airlines flights Ontario Intl. Airport (ONT) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $141 for one-way flights and $757 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jun 30 - Thu, Jul 2
ONT
Ontario
LAS
Las Vegas
$757 Roundtrip, found 13 hours ago
$757
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Jun 30 from Ontario to Las Vegas, returning Thu, Jul 2, priced at $757 found 13 hours ago

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Southwest Airlines
Distance
314 km
Average flight time
1 hour 5 mins

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