$166 Find Cheap Flights from Ontario to Las Vegas - Compare and Save

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 9/5. 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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Flight Deals

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

Mon, Oct 26 - Fri, Oct 30
WestJet Logo
1:30 pm - 9:33 pm
YYZ
-
LAS
11h 03m
1 stop
WestJet Logo
7:05 pm - 6:58 am
LAS
-
YYZ
8h 53m
1 stop
$272WestJet
Sun, Oct 4 - Thu, Oct 8
WestJet Logo
10:50 am - 5:15 pm
YYZ
-
LAS
9h 25m
1 stop
WestJet Logo
6:10 pm - 5:45 am
LAS
-
YYZ
8h 35m
1 stop
$273WestJet
Sat, Oct 17 - Wed, Oct 21
Air Canada Logo
8:35 pm - 10:22 pm
YYZ
-
LAS
4h 47mnonstop
Air Canada Logo
6:00 pm - 5:23 am
LAS
-
YYZ
8h 23m
1 stop
$274Air Canada
Sat, Jul 25 - Mon, Jul 27
WestJet Logo
8:40 pm - 9:40 pm
YKF
-
LAS
28h 00m
1 stop
WestJet Logo
6:10 pm - 7:50 pm
LAS
-
YKF
22h 40m
1 stop
$275WestJet
Sat, Aug 29 - Tue, Sep 8
Air Canada Logo
5:30 pm - 10:24 pm
YTZ
-
LAS
7h 54m
1 stop
Air Canada Logo
11:25 pm - 11:50 am
LAS
-
YTZ
9h 25m
1 stop
$276Air Canada
Mon, Oct 19 - Fri, Oct 23
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
$276Porter Airlines
Fri, Oct 16 - Fri, Oct 23
Delta Logo
12:10 pm - 7:45 pm
YYZ
-
LAS
10h 35m
1 stop
Delta Logo
12:35 am - 12:19 pm
LAS
-
YYZ
8h 44m
1 stop
$277Delta
Wed, Sep 9 - Tue, Sep 15
United Airlines Logo
11:00 am - 5:44 pm
YYZ
-
LAS
9h 44m
1 stop
United Airlines Logo
12:40 pm - 12:13 am
LAS
-
YYZ
8h 33m
1 stop
$279United Airlines
Fri, Sep 11 - Mon, Sep 14
United Airlines Logo
5:16 pm - 11:54 pm
YYZ
-
LAS
9h 38m
1 stop
United Airlines Logo
11:57 pm - 10:04 am
LAS
-
YYZ
7h 07m
1 stop
$280United Airlines
Thu, Nov 5 - Sat, Nov 14
Porter Airlines Logo
5:25 pm - 10:37 pm
YUL
-
LAS
8h 12m
1 stop
Porter Airlines Logo
2:35 pm - 12:35 am
LAS
-
YUL
7h 00m
1 stop
$375Porter Airlines
Useful Info

Good to know

Low seasonJune
Cheapest flight$166
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Toronto Pearson Airport 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.

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)