HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Las Vegas

$113+ Cheap flights from Ontario to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Las Vegas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Las Vegas

Cheapest flights from Ontario to Las Vegas
Explore the most affordable flight options available from Ontario to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Sun 3/111:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/28$153
This Super.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Mon 3/3011:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/28$154
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 3/1311:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/28$155
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Wed 4/158:05 am
LAS
-
YYZ
1 stop10h 06m
WestJet
Deal found 1/28$157
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Mon 4/137:05 pm
LAS
-
YYZ
1 stop8h 08m
WestJet
Deal found 1/28$158
This Trip.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 2/2711:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/28$159
This Trip.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Thu 2/2611:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/28$160
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Thu 2/2611:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/29$162
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Mon 3/211:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/28$163
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 2/2711:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 1/27$164
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 3/138:05 am
LAS
-
YYZ
2 stops12h 30m
WestJet
Deal found 1/29$165
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
YOW
-
LAS
2 stops15h 33m
WestJet
Thu 3/128:05 am
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 1/29$189

Find flight deals from Ontario to Las Vegas

Keep the following information in mind while searching for Ontario to Las Vegas flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$153
(Kiwi.com)

One-way from

$113
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$201

Good round-trip deal

$184 or less

Good one-way deal

$112 or less
Provider with most accurate pricing for Toronto (YTO)-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Las Vegas Harry Reid Intl flights.
Search Deals
From Ontario to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Ontario to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Ontario to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Ontario to Las Vegas that are best for you.

Fly from

Ontario

Fly to

Las Vegas

Route

Depart

Return

Price

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 3/23

8:00 pm-10:12 pm

Nonstop5h 12m

Las Vegas Harry Reid Intl

Mon 3/30

9:15 pm-7:36 pm

2 stops19h 21m

$196

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 4/18

4:18 pm-9:08 pm

1 stop7h 50m

Las Vegas Harry Reid Intl

Sat 4/25

11:45 pm-10:04 am

1 stop7h 19m

$209

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 5/12

1:00 pm-8:48 pm

2 stops10h 48m

Las Vegas Harry Reid Intl

Wed 5/13

10:16 am-10:36 pm

1 stop9h 20m

$219

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 4/24

12:45 pm-10:13 pm

1 stop12h 28m

Las Vegas Harry Reid Intl

Sun 5/3

11:59 pm-3:46 pm

1 stop12h 47m

$219

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 4/7

7:00 am-6:41 pm

2 stops14h 41m

Las Vegas Harry Reid Intl

Tue 4/14

11:59 pm-11:49 am

1 stop8h 50m

$219

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 2/25

3:30 pm-11:55 pm

2 stops11h 25m

Las Vegas Harry Reid Intl

Mon 3/9

7:03 pm-2:20 pm

2 stops16h 17m

$219

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 4/26

10:45 am-8:58 pm

1 stop13h 13m

Las Vegas Harry Reid Intl

Fri 5/1

9:05 am-9:32 pm

1 stop9h 27m

$219

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 4/3

12:45 pm-10:13 pm

1 stop12h 28m

Las Vegas Harry Reid Intl

Tue 4/7

10:50 am-11:59 pm

2 stops10h 09m

$219

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 5/8

5:15 pm-9:59 pm

1 stop7h 44m

Las Vegas Harry Reid Intl

Tue 5/12

11:59 pm-11:49 am

1 stop8h 50m

$219

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 4/24

12:45 pm-10:13 pm

1 stop12h 28m

Las Vegas Harry Reid Intl

Sat 5/2

9:05 am-11:59 pm

2 stops11h 54m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Las Vegas

What is the cheapest month to book a flight from Region of Ontario to Las Vegas?

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $105). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to LAS?

Find hourly flight availability from Ontario to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

One of the essential ways to save on airfare from Region of Ontario to Las Vegas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

What is the cheapest day to fly from Region of Ontario to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Las Vegas. Price data was last updated on March 2, 2025.

Travelers seeking maximum savings on their Region of Ontario to Las Vegas flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Region of Ontario to Las Vegas

Explore weekly flight availability from Ontario to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from CAON to LAS are scheduled on a Thursday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Region of Ontario to Las Vegas?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Las Vegas from Ontario?

    If you book a flight to Las Vegas from Ontario, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas.

  • How long is the flight from Region of Ontario to Las Vegas?

    Departing from Region of Ontario to Las Vegas will take you 5h 12m. Region of Ontario and Las Vegas are separated by a distance of 1938 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Las Vegas one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $90. However, be on the lookout for offers from Air Canada and Air Transat, as they are both options that can get you from Region of Ontario to Las Vegas for a low price.

  • What are the most popular routes from Region of Ontario to Las Vegas?

    While some choose either Montreal Pierre Elliott Trudeau Intl - Las Vegas Harry Reid Intl or Toronto Island - Las Vegas Harry Reid Intl, Toronto Pearson Intl - Las Vegas Harry Reid Intl is the most popular route from Region of Ontario to Las Vegas.

  • What are the most reliable airlines from Region of Ontario to Las Vegas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to Las Vegas on time: American Airlines (65%), Porter Airlines (65%), Air Transat (65%).

  • What are the cheapest flights from Region of Ontario to Las Vegas?

    The cheapest flight price from Region of Ontario to Las Vegas is $108. On average you can expect to pay $204. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $165.

  • Can I find deals for flights from Ontario to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Ontario to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Las Vegas.

  • Can I find deals for business class flights from Ontario to Las Vegas?

    Yes. Cheapflights offers flight deals from Ontario to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Las Vegas?

    Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $105). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Kingman
Winchester
Primm
Mesquite
Boulder City
Needles
Sunrise Manor

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Las Vegas flights
Pearson Intl to Las Vegas flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Edmonton to Las Vegas flights
Abbotsford to Las Vegas flights
Winnipeg to Las Vegas flights
Québec City to Las Vegas flights
Ottawa to Las Vegas flights
Hamilton to Las Vegas flights
Saskatoon to Las Vegas flights
Kelowna to Las Vegas flights
Victoria to Las Vegas flights
Halifax to Las Vegas flights
Regina to Las Vegas flights
Region of Waterloo Intl to Las Vegas flights
Vancouver Intl to Reno flights
Pearson Intl to Reno flights
Kamloops to Las Vegas flights
Nanaimo to Las Vegas flights
Moncton to Las Vegas flights
Windsor to Las Vegas flights
Pierre Elliott Trudeau Intl to Reno flights
Thunder Bay to Las Vegas flights
Fredericton to Las Vegas flights
London to Las Vegas flights
Calgary to Reno flights
St. John's to Las Vegas flights
Prince George to Las Vegas flights
Winnipeg to Reno flights
Toronto Island to Reno flights
St John to Las Vegas flights
Grande Prairie to Las Vegas flights
Lethbridge to Las Vegas flights
Fort McMurray to Las Vegas flights
Penticton to Las Vegas flights
Edmonton to Reno flights
Hamilton to Reno flights
London to Reno flights
Victoria to Reno flights
Campbell River to Las Vegas flights
Fort St. John to Las Vegas flights
Comox to Las Vegas flights
Timmins to Las Vegas flights
Sydney to Las Vegas flights

Top 7 airlines flying from Ontario to Las Vegas

Discover the top 7 airlines that operate flights from Ontario to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$75Average$336FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$102Average$317FlexibilityNo cancel feeOn-time69%
WestJetCheapest$127Average$287FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$132Average$269FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$155Average$345FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$197Average$274FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$542FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.