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Cheap flights from Ontario to Las Vegas from C$ 153

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Las Vegas

Enter your travel dates to find the best prices.

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 29 January 2026.

Fri 27/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Sun 1/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 28/1C$ 208
Thu 26/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Mon 30/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 28/1C$ 209
Mon 9/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 13/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 28/1C$ 210
Fri 10/48:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Tue 14/47:05 p.m.
LAS
-
YYZ
1 stop8h 08m
WestJet
Deal found 28/1C$ 213
Fri 10/48:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Mon 13/47:05 p.m.
LAS
-
YYZ
1 stop8h 08m
WestJet
Deal found 28/1C$ 214
Sun 22/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 27/211:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 28/1C$ 216
Mon 23/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Thu 26/211:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 28/1C$ 217
Sun 22/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Sun 1/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 27/1C$ 220
Thu 26/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Mon 2/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 28/1C$ 221
Mon 23/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 27/211:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 27/1C$ 223
Sun 8/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 13/38:05 a.m.
LAS
-
YYZ
2 stops12h 30m
WestJet
Deal found 29/1C$ 224
Tue 10/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Thu 12/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 29/1C$ 257

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 29 January 2026.

Round-trip from

C$ 208

One-way from

C$ 153

Popular in

August

Cheapest in

January

Average price

C$ 273

Good round-trip deal

C$ 250 or less

Good one-way deal

C$ 189 or less
WestJet
  • WestJet
  • 27/2-1/3
  • Nonstop
  • 9h 30m total
  • Ontario to Las Vegas
Search Deals
WestJet
  • WestJet
  • 9/3
  • 2 total stops
  • 13h 16m total
  • Ontario to Las Vegas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 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 629,999 searches. Data last updated 29 January 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

Sun 22/2

8:00 p.m.-10:12 p.m.

Nonstop5h 12m

Las Vegas Harry Reid Intl

Fri 27/2

8:00 a.m.-11:35 p.m.

2 stops12h 35m

C$ 240

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 24/4

12:45 p.m.-10:13 p.m.

1 stop12h 28m

Las Vegas Harry Reid Intl

Wed 6/5

9:05 a.m.-11:59 p.m.

2 stops11h 54m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 7/4

7:00 a.m.-6:41 p.m.

2 stops14h 41m

Las Vegas Harry Reid Intl

Tue 14/4

11:59 p.m.-11:49 a.m.

1 stop8h 50m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 25/2

3:30 p.m.-11:55 p.m.

2 stops11h 25m

Las Vegas Harry Reid Intl

Mon 9/3

7:03 p.m.-2:20 p.m.

2 stops16h 17m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 22/5

7:00 a.m.-6:21 p.m.

2 stops14h 21m

Las Vegas Harry Reid Intl

Fri 29/5

6:00 a.m.-10:31 p.m.

1 stop13h 31m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 8/5

5:15 p.m.-9:59 p.m.

1 stop7h 44m

Las Vegas Harry Reid Intl

Tue 12/5

11:59 p.m.-11:49 a.m.

1 stop8h 50m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 16/3

9:00 p.m.-8:13 a.m.

1 stop14h 13m

Las Vegas Harry Reid Intl

Fri 20/3

6:59 p.m.-2:20 p.m.

1 stop16h 21m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 3/4

12:45 p.m.-10:13 p.m.

1 stop12h 28m

Las Vegas Harry Reid Intl

Tue 7/4

12:36 a.m.-2:24 p.m.

1 stop10h 48m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 12/5

4:18 p.m.-8:48 p.m.

1 stop7h 30m

Las Vegas Harry Reid Intl

Wed 13/5

12:18 p.m.-10:36 p.m.

1 stop7h 18m

C$ 297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 20/2

2:57 p.m.-10:14 p.m.

1 stop10h 17m

Las Vegas Harry Reid Intl

Fri 27/2

7:06 p.m.-9:58 a.m.

1 stop11h 52m

C$ 297

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 60 results
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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 C$ 143). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 232). 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 29 January 2026.

It’s typically best to fly out from Region of Ontario to Las Vegas in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the evening, which is usually more expensive.

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 16 March 2025.

Travelers seeking maximum savings on their Region of Ontario to Las Vegas flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday 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 29 January 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?

    Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Ontario. Harry Reid Intl is conveniently located just 10.0 km from Las Vegas’s city centre.

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

    A quick flight from Region of Ontario to Las Vegas can take about 5h 12m. WestJet provides one of the quickest options available for as low as C$ 240. The distance from Region of Ontario to Las Vegas is about 3119 km. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 124. Users have also found prices from C$ 125 and C$ 127 on WestJet and Air Transat, respectively.

  • 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?

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Las Vegas consider choosing American Airlines (65%), Porter Airlines (65%) or Air Transat (65%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Region of Ontario to Las Vegas is C$ 133. On average you can expect to pay C$ 585. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 204.

  • 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 C$ 143). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 232). 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

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Kingman
Boulder City
Henderson
North Las Vegas
Paradise

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Alternative routes for Ontario to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Las Vegas flights
Vancouver Intl to Las Vegas flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Abbotsford to Las Vegas flights
Toronto Island to Las Vegas flights
Edmonton 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
Victoria to Las Vegas flights
Regina to Las Vegas flights
Kelowna to Las Vegas flights
Saskatoon to Las Vegas flights
Halifax 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
Moncton to Las Vegas flights
Sault Ste Marie to Las Vegas flights
Fredericton to Las Vegas flights
Prince George to Las Vegas flights
London to Las Vegas flights
Comox to Las Vegas flights
Grande Prairie to Las Vegas flights
Sudbury to Las Vegas flights
Pierre Elliott Trudeau Intl to Reno flights
Fort McMurray to Las Vegas flights
St. John's to Las Vegas flights
St John to Las Vegas flights
Calgary to Reno flights
Saguenay to Las Vegas flights
Nanaimo to Las Vegas flights
Fort St. John to Las Vegas flights
Victoria to Reno flights
Edmonton to Reno flights
Brandon to Las Vegas flights
Charlottetown to Las Vegas flights
Thunder Bay to Las Vegas flights
Windsor to Las Vegas flights
Pearson Intl to Elko flights
Sydney to Las Vegas flights
Edmonton to Elko flights
Penticton to Las Vegas flights
Sarnia to Las Vegas flights

Top 9 airlines flying from Ontario to Las Vegas

Discover the top 9 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 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 147AverageC$ 445FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 155AverageC$ 362FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 161AverageC$ 345FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 170AverageC$ 353FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 175AverageC$ 422FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 205AverageC$ 404FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 223AverageC$ 444FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 279AverageC$ 675FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
APG AirlinesCheapestC$ 532AverageC$ 671FlexibilityNo cancel feeOn-timeN/A
Search APG Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Las Vegas?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Las Vegas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Las Vegas?

Cheapflights helps you find that perfect flight to Las Vegas from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Las Vegas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Las Vegas, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Las Vegas become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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