$657 Cheap Alaska Airlines flights Ontario (ONT) to Las Vegas (LAS)

View $657 flight on Sat, Dec 27, 2025Opens in a new window

$657 Cheap Alaska Airlines flights Ontario (ONT) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $657 for one-way flights and $1,257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Dec 27 - Sun, Dec 28
ONT
Ontario
LAS
Las Vegas
$1,257 Roundtrip, found 3 days ago
$1,257
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Dec 27 from Ontario to Las Vegas, returning Sun, Dec 28, priced at $1,257 found 3 days ago

Find the cheapest month to fly from Ontario (ONT) to Las Vegas (LAS)

October is typically the cheapest month to fly

From $48 - $88 per traveler.

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $152
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $152
Flights from Ontario (ONT) to Las Vegas (LAS)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Harry Reid Intl.
Distance
314 km
Average flight time
1 hour 4 mins