$164 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 8/20. 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, Sep 7 - Thu, Sep 10
WestJet Logo
8:00 am - 5:15 pm
YYZ
-
LAS
12h 15m
2 stops
WestJet Logo
8:30 am - 9:35 pm
LAS
-
YYZ
10h 05m
2 stops
$269WestJet
Mon, Oct 19 - Tue, Oct 20
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
$269WestJet
Mon, Nov 9 - Fri, Nov 13
Air Transat Logo
7:00 am - 9:07 am
YYZ
-
LAS
5h 07mnonstop
Air Transat Logo
10:05 am - 5:20 pm
LAS
-
YYZ
4h 15mnonstop
$270Air Transat
Sun, Dec 6 - Sun, Dec 13
Air Transat Logo
11:30 am - 1:37 pm
YYZ
-
LAS
5h 07mnonstop
Air Transat Logo
11:35 pm - 6:50 am
LAS
-
YYZ
4h 15mnonstop
$270Air Transat
Tue, Sep 8 - Tue, Sep 15
Air Canada Logo
8:35 pm - 10:22 pm
YYZ
-
LAS
4h 47mnonstop
Air Canada Logo
11:25 pm - 6:44 am
LAS
-
YYZ
4h 19mnonstop
$271Air Canada
Thu, Nov 12 - Mon, Nov 16
Air Canada Logo
8:40 pm - 10:47 pm
YYZ
-
LAS
5h 07mnonstop
Air Canada Logo
11:50 pm - 7:10 am
LAS
-
YYZ
4h 20mnonstop
$271Air Canada
Fri, Sep 25 - Fri, Oct 2
Multiple Airlines Logo
8:35 pm - 10:22 pm
YYZ
-
LAS
4h 47mnonstop
Multiple Airlines Logo
8:30 am - 11:25 pm
LAS
-
YYZ
11h 55m
2 stops
$271Multiple Airlines
Thu, Sep 10 - Sun, Sep 13
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
$272Porter Airlines
Fri, Sep 25 - Fri, Oct 2
Multiple Airlines Logo
8:35 pm - 10:22 pm
YYZ
-
LAS
4h 47mnonstop
Multiple Airlines Logo
8:30 am - 11:25 pm
LAS
-
YYZ
11h 55m
2 stops
$272Multiple Airlines
Thu, Sep 10 - Sun, Sep 13
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
$273Porter Airlines
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Good to know

Low season

June

Cheapest flight

$164
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Toronto Region of Waterloo Intl 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)