$164 Find Cheap Flights from Ontario to Las Vegas

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Las Vegas departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Ontario to Las Vegas

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Las Vegas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Las Vegas

Sun, Aug 30 - Thu, Sep 3
WestJet Logo
10:30 pm - 12:30 pm
YYZ
-
LAS
17h 00m
1 stop
WestJet Logo
4:30 pm - 5:45 am
LAS
-
YYZ
10h 15m
1 stop
$266WestJet
Mon, Aug 3 - Thu, Aug 6
WestJet Logo
8:40 pm - 12:30 pm
YKF
-
LAS
18h 50m
2 stops
WestJet Logo
8:30 am - 7:50 pm
LAS
-
YKF
8h 20m
1 stop
$272WestJet
Tue, Sep 8 - Fri, Sep 11
WestJet Logo
8:00 am - 5:15 pm
YYZ
-
LAS
12h 15m
2 stops
WestJet Logo
1:20 pm - 1:05 am
LAS
-
YYZ
8h 45m
1 stop
$272WestJet
Sat, Sep 5 - Thu, Sep 17
Porter Airlines Logo
8:35 pm - 10:22 pm
YYZ
-
LAS
4h 47mnonstop
Porter Airlines Logo
11:20 pm - 6:39 am
LAS
-
YYZ
4h 19mnonstop
$275Porter Airlines
Mon, Oct 5 - Fri, Oct 9
Multiple Airlines Logo
9:00 am - 5:15 pm
YYZ
-
LAS
11h 15m
1 stop
Multiple Airlines Logo
11:20 pm - 6:39 am
LAS
-
YYZ
4h 19mnonstop
$276Multiple Airlines
Mon, Oct 12 - Thu, Oct 15
Multiple Airlines Logo
10:00 am - 3:30 pm
YYZ
-
LAS
8h 30m
1 stop
Multiple Airlines Logo
11:20 pm - 6:39 am
LAS
-
YYZ
4h 19mnonstop
$277Multiple Airlines
Sat, Sep 19 - Tue, Sep 22
Air Canada Logo
5:30 pm - 10:23 pm
YTZ
-
LAS
7h 53m
1 stop
Air Canada Logo
11:25 pm - 11:50 am
LAS
-
YTZ
9h 25m
1 stop
$288Air Canada
Tue, Sep 15 - Wed, Sep 23
Air Canada Logo
6:50 am - 10:23 pm
YTZ
-
LAS
18h 33m
1 stop
Air Canada Logo
11:25 pm - 10:05 am
LAS
-
YTZ
7h 40m
1 stop
$329Air Canada
Sat, Nov 14 - Mon, Nov 16
United Airlines Logo
12:15 pm - 8:08 pm
YTZ
-
LAS
10h 53m
2 stops
United Airlines Logo
11:58 pm - 10:06 am
LAS
-
YTZ
7h 08m
1 stop
$362United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
12:15 pm - 6:17 pm
YTZ
-
LAS
9h 02m
1 stop
United Airlines Logo
11:58 pm - 10:06 am
LAS
-
YTZ
7h 08m
1 stop
$363United Airlines
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Good to know

Low seasonJune
Cheapest flight$164
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Hamilton to Las Vegas

FAQs for booking flights from Ontario to Las Vegas

  • How does KAYAK find such low prices on flights from Ontario to Las Vegas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Las Vegas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Las Vegas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Las Vegas from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Las Vegas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Las Vegas with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Las Vegas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Las Vegas from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Winchester
Primm
Sunrise Manor

Everything you need to know for your flight to Las Vegas

Information on the airport you'll fly into in Las Vegas

Las Vegas (LAS)