$149 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 6/18. 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

Thu, Oct 22 - Mon, Oct 26
WestJet Logo
2:50 pm - 9:40 pm
YYZ
-
LAS
9h 50m
1 stop
WestJet Logo
1:10 pm - 8:32 pm
LAS
-
YYZ
4h 22mnonstop
$249WestJet
Thu, Oct 22 - Mon, Oct 26
WestJet Logo
10:00 am - 7:55 pm
YYZ
-
LAS
12h 55m
2 stops
WestJet Logo
1:10 pm - 8:32 pm
LAS
-
YYZ
4h 22mnonstop
$255WestJet
Wed, Oct 21 - Mon, Oct 26
WestJet Logo
7:00 am - 12:55 pm
YYZ
-
LAS
8h 55m
1 stop
WestJet Logo
1:10 pm - 8:32 pm
LAS
-
YYZ
4h 22mnonstop
$256WestJet
Wed, Oct 21 - Mon, Oct 26
WestJet Logo
7:00 am - 12:55 pm
YYZ
-
LAS
8h 55m
1 stop
WestJet Logo
1:10 pm - 8:32 pm
LAS
-
YYZ
4h 22mnonstop
$258WestJet
Fri, Oct 23 - Mon, Oct 26
WestJet Logo
6:10 am - 5:15 pm
YYZ
-
LAS
14h 05m
2 stops
WestJet Logo
1:10 pm - 8:32 pm
LAS
-
YYZ
4h 22mnonstop
$259WestJet
Tue, Oct 20 - Thu, Oct 29
WestJet Logo
7:00 am - 12:55 pm
YYZ
-
LAS
8h 55m
1 stop
WestJet Logo
1:10 pm - 8:32 pm
LAS
-
YYZ
4h 22mnonstop
$260WestJet
Mon, Oct 19 - Fri, Oct 23
Air Canada Logo
8:35 pm - 10:22 pm
YYZ
-
LAS
4h 47mnonstop
Air Canada Logo
12:10 pm - 7:33 pm
LAS
-
YYZ
4h 23mnonstop
$263Air Canada
Mon, Sep 21 - Wed, Sep 30
Air Canada Logo
8:00 pm - 10:23 pm
YUL
-
LAS
5h 23mnonstop
Air Canada Logo
11:25 pm - 7:20 am
LAS
-
YUL
4h 55mnonstop
$331Air Canada
Sat, Oct 10 - Wed, Oct 14
Air Canada Logo
8:00 pm - 10:23 pm
YUL
-
LAS
5h 23mnonstop
Air Canada Logo
11:25 pm - 7:20 am
LAS
-
YUL
4h 55mnonstop
$332Air Canada
Wed, Sep 9 - Wed, Oct 14
Porter Airlines Logo
6:45 am - 11:42 am
YUL
-
LAS
7h 57m
1 stop
Porter Airlines Logo
12:45 pm - 12:37 am
LAS
-
YUL
8h 52m
1 stop
$351Porter Airlines
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Good to know

Low seasonJanuary
Cheapest flight$157
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly and prices are also 14% 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.

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)