$155 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 10/25. 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, Nov 5 - Tue, Nov 10
WestJet Logo
6:10 pm - 7:15 pm
YHM
-
LAS
28h 05m
2 stops
WestJet Logo
1:10 pm - 4:17 pm
LAS
-
YHM
24h 07m
2 stops
$266WestJet
Wed, Nov 11 - Sat, Nov 14
WestJet Logo
6:10 pm - 7:15 pm
YHM
-
LAS
28h 05m
2 stops
WestJet Logo
9:15 pm - 4:17 pm
LAS
-
YHM
16h 02m
2 stops
$268WestJet
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
$272Air Transat
Sat, Sep 12 - Sat, Sep 19
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
$273Air Canada
Sun, Nov 22 - Thu, Nov 26
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
$274Air Canada
Fri, Aug 21 - Sat, Aug 29
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
$274Porter Airlines
Sat, Aug 22 - Tue, Aug 25
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
$274Porter Airlines
Sat, Oct 3 - Sat, Oct 17
Multiple Airlines Logo
10:45 am - 8:11 pm
YYZ
-
LAS
12h 26m
1 stop
Multiple Airlines Logo
6:50 am - 6:23 pm
LAS
-
YYZ
8h 33m
1 stop
$274Multiple Airlines
Sat, Oct 17 - Thu, Oct 22
Multiple Airlines Logo
11:00 am - 8:28 pm
YYZ
-
LAS
12h 28m
1 stop
Multiple Airlines Logo
6:50 am - 7:23 pm
LAS
-
YYZ
9h 33m
1 stop
$274Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Air Transat Logo
8:35 pm - 10:22 pm
YYZ
-
LAS
4h 47mnonstop
Air Transat Logo
11:20 pm - 6:39 am
LAS
-
YYZ
4h 19mnonstop
$277Air Transat
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Good to know

Low season

June

Cheapest flight

$155
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 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.

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)