Cheap flights from Las Vegas to Ontario

View AU$76 flight on Thu, 13 Nov. 2025Opens in a new window

Popular airlines from Las Vegas to Ontario

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Cheap Flights from Las Vegas (LAS) to Ontario (QLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 19 Sep. - Sat, 20 Sep.
LAS
Las Vegas
SNA
Orange County
AU$150 Return, found 5 days ago
AU$150
Return
found 5 days ago
Select Delta flight, departing Fri, 19 Sep. from Las Vegas to Orange County, returning Sat, 20 Sep., priced at AU$150 found 5 days ago
Delta
Fri, 19 Sep. - Sat, 20 Sep.
LAS
Las Vegas
SNA
Orange County
AU$165 Return, found 5 days ago
AU$165
Return
found 5 days ago
Select Delta flight, departing Fri, 19 Sep. from Las Vegas to Orange County, returning Sat, 20 Sep., priced at AU$165 found 5 days ago
American Airlines
Sat, 9 Aug. - Sun, 10 Aug.
LAS
Las Vegas
ONT
Ontario
AU$286 Return, found 6 days ago
AU$286
Return
found 6 days ago
Select American Airlines flight, departing Sat, 9 Aug. from Las Vegas to Ontario, returning Sun, 10 Aug., priced at AU$286 found 6 days ago
United
Fri, 5 Sep. - Fri, 12 Sep.
LAS
Las Vegas
SNA
Orange County
AU$380 Return, found 1 day ago
AU$380
Return
found 1 day ago
Select United flight, departing Fri, 5 Sep. from Las Vegas to Orange County, returning Fri, 12 Sep., priced at AU$380 found 1 day ago
Hawaiian Airlines
Tue, 12 Aug. - Tue, 26 Aug.
LAS
Las Vegas
ONT
Ontario
AU$406 Return, found 4 days ago
AU$406
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, 12 Aug. from Las Vegas to Ontario, returning Tue, 26 Aug., priced at AU$406 found 4 days ago
Alaska Airlines
Wed, 6 Aug. - Wed, 13 Aug.
LAS
Las Vegas
SNA
Orange County
AU$418 Return, found 12 hours ago
AU$418
Return
found 12 hours ago
Select Alaska Airlines flight, departing Wed, 6 Aug. from Las Vegas to Orange County, returning Wed, 13 Aug., priced at AU$418 found 12 hours ago

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

March is typically the cheapest month to fly

From AU$73 - AU$163 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.