$150 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 9/2. 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

Wed, Sep 2 - Thu, Sep 10
WestJet Logo
12:25 pm - 9:40 pmYOW  Ottawa-LAS Las Vegas Harry Reid Intl
12h 15m2 stops Winnipeg Calgary
WestJet Logo
4:30 pm - 5:35 amLAS  Las Vegas Harry Reid Intl-YOW Ottawa
10h 05m1 stop Calgary
$250WestJet
Wed, Sep 2 - Thu, Sep 10
WestJet Logo
12:25 pm - 9:40 pmYOW  Ottawa-LAS Las Vegas Harry Reid Intl
12h 15m2 stops Winnipeg Calgary
WestJet Logo
4:30 pm - 5:35 amLAS  Las Vegas Harry Reid Intl-YOW Ottawa
10h 05m1 stop Calgary
$252WestJet
Mon, Nov 23 - Thu, Nov 26
Air Transat Logo
8:30 pm - 10:37 pmYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
5h 07mnonstop
Air Transat Logo
11:35 pm - 6:50 amLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
4h 15mnonstop
$268Air Transat
Sun, Nov 8 - Thu, Nov 12
Air Transat Logo
8:30 pm - 10:37 pmYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
5h 07mnonstop
Air Transat Logo
11:35 pm - 6:50 amLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
4h 15mnonstop
$268Air Transat
Sun, Oct 11 - Thu, Oct 15
Multiple Airlines Logo
6:35 pm - 6:30 pmYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
26h 55m1 stop Winnipeg
Multiple Airlines Logo
11:20 pm - 6:39 amLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
4h 19mnonstop
$268Multiple Airlines
Sat, Dec 12 - Sun, Dec 13
Air Canada Logo
9:15 am - 11:22 amYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
5h 07mnonstop
Air Canada Logo
11:50 am - 10:56 pmLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
8h 06m1 stop Montreal Pierre Elliott Trudeau Intl
$269Air Canada
Sat, Oct 31 - Wed, Nov 4
Air Canada Logo
8:40 pm - 10:47 pmYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
5h 07mnonstop
Air Canada Logo
11:50 am - 10:56 pmLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
8h 06m1 stop Montreal Pierre Elliott Trudeau Intl
$269Air Canada
Sat, Nov 7 - Thu, Nov 12
Porter Airlines Logo
7:00 am - 9:07 amYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
5h 07mnonstop
Porter Airlines Logo
11:35 pm - 6:50 amLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
4h 15mnonstop
$269Porter Airlines
Thu, Sep 10 - Tue, Sep 15
Porter Airlines Logo
8:35 pm - 10:22 pmYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
4h 47mnonstop
Porter Airlines Logo
12:45 pm - 8:09 pmLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
4h 24mnonstop
$269Porter Airlines
Mon, Oct 19 - Thu, Oct 22
Multiple Airlines Logo
9:00 am - 3:30 pmYYZ  Toronto Pearson Intl-LAS Las Vegas Harry Reid Intl
9h 30m1 stop Calgary
Multiple Airlines Logo
11:20 pm - 6:39 amLAS  Las Vegas Harry Reid Intl-YYZ Toronto Pearson Intl
4h 19mnonstop
$274Multiple Airlines
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Good to know

Low season

June

Cheapest flight

$150
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Ottawa 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)