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Cheap flights from Ontario to Las Vegas from C$ 151

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
28 Mar — 4 Apr1
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 26 February 2026.

Tue 24/31:30 p.m.
YYZ
-
LAS
1 stop11h 03m
WestJet
Wed 1/48:05 a.m.
LAS
-
YYZ
1 stop8h 31m
WestJet
Deal found 24/2C$ 216
Sun 19/412:30 p.m.
YYZ
-
LAS
1 stop10h 46m
WestJet
Thu 23/48:05 a.m.
LAS
-
YYZ
1 stop8h 31m
WestJet
Deal found 25/2C$ 218
Sun 26/412:40 p.m.
YYZ
-
LAS
2 stops12h 00m
WestJet
Fri 1/56:10 p.m.
LAS
-
YYZ
1 stop9h 45m
WestJet
Deal found 25/2C$ 219
Sun 26/412:40 p.m.
YYZ
-
LAS
2 stops12h 00m
WestJet
Thu 30/412:35 p.m.
LAS
-
YYZ
Nonstop4h 25m
WestJet
Deal found 26/2C$ 220
Sat 11/47:00 p.m.
YKF
-
LAS
1 stop29h 33m
WestJet
Wed 15/41:10 p.m.
LAS
-
YKF
2 stops13h 19m
WestJet
Deal found 23/2C$ 222
Fri 10/41:30 p.m.
YYZ
-
LAS
1 stop11h 03m
WestJet
Mon 13/411:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 25/2C$ 222
Mon 20/49:40 a.m.
YYZ
-
LAS
2 stops13h 36m
WestJet
Thu 23/411:20 a.m.
LAS
-
YYZ
1 stop8h 51m
WestJet
Deal found 25/2C$ 226
Fri 15/58:40 p.m.
YKF
-
LAS
1 stop28h 00m
WestJet
Sun 17/58:30 a.m.
LAS
-
YKF
1 stop8h 20m
WestJet
Deal found 23/2C$ 227
Wed 3/68:40 p.m.
YKF
-
LAS
1 stop28h 00m
WestJet
Sat 6/68:30 a.m.
LAS
-
YKF
1 stop8h 20m
WestJet
Deal found 25/2C$ 229
Sun 19/412:30 p.m.
YYZ
-
LAS
1 stop10h 46m
WestJet
Fri 24/47:05 p.m.
LAS
-
YYZ
1 stop8h 08m
WestJet
Deal found 22/2C$ 229
Sun 19/48:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Wed 22/411:20 a.m.
LAS
-
YYZ
1 stop10h 06m
WestJet
Deal found 23/2C$ 230
Wed 3/68:40 p.m.
YKF
-
LAS
1 stop28h 00m
WestJet
Fri 5/68:30 a.m.
LAS
-
YKF
1 stop8h 20m
WestJet
Deal found 25/2C$ 231

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 26 February 2026.

Round-trip from

C$ 216

One-way from

C$ 151

Popular in

December

Cheapest in

March

Average price

C$ 342

Good round-trip deal

C$ 288 or less

Good one-way deal

C$ 178 or less
WestJet
  • WestJet
  • 24/3-1/4
  • 2 total stops
  • 19h 34m total
  • Ontario to Las Vegas
Search Deals
WestJet
  • WestJet
  • 26/3
  • 1 total stop
  • 14h 53m total
  • Ontario to Las Vegas
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 26 February 2026.
Use the filters below to find and compare flights from Ontario to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Wed 22/7

8:40 p.m.-12:55 p.m.

1 stop19h 15m

Las Vegas Harry Reid Intl

Sat 25/7

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 285

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Mon 20/7

8:40 p.m.-5:15 p.m.

1 stop23h 35m

Las Vegas Harry Reid Intl

Sun 26/7

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 285

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Fri 31/7

8:40 p.m.-10:40 a.m.

1 stop17h 00m

Las Vegas Harry Reid Intl

Mon 3/8

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 285

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 30/7

8:40 p.m.-9:40 p.m.

1 stop28h 00m

Las Vegas Harry Reid Intl

Sun 2/8

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 285

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Wed 8/4

12:30 p.m.-8:35 p.m.

1 stop11h 05m

Las Vegas Harry Reid Intl

Wed 15/4

9:10 a.m.-9:32 p.m.

1 stop9h 22m

C$ 289

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 29/3

7:55 p.m.-10:02 p.m.

Nonstop5h 07m

Las Vegas Harry Reid Intl

Thu 2/4

11:55 p.m.-7:10 a.m.

Nonstop4h 15m

C$ 292

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 6/8

8:40 p.m.-9:40 p.m.

1 stop28h 00m

Las Vegas Harry Reid Intl

Sun 9/8

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 292

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 28/4

8:50 a.m.-5:23 p.m.

2 stops11h 33m

Las Vegas Harry Reid Intl

Tue 5/5

11:56 a.m.-11:59 p.m.

2 stops9h 03m

C$ 298

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 29/3

10:45 a.m.-9:58 p.m.

1 stop14h 13m

Las Vegas Harry Reid Intl

Tue 31/3

9:07 a.m.-9:32 p.m.

1 stop9h 25m

C$ 298

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 1/4

3:53 p.m.-9:57 p.m.

1 stop9h 04m

Las Vegas Harry Reid Intl

Tue 7/4

12:36 a.m.-3:46 p.m.

2 stops12h 10m

C$ 300

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of C$ 155). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 234). 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 26 February 2026.

It’s typically best to fly out from Region of Ontario to Las Vegas in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, 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 Friday afternoons 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 26 February 2026.

The most flights from CAON to LAS are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 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 07m. WestJet provides one of the quickest options available for as low as C$ 292. 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$ 126. Users have also found prices from C$ 128 and C$ 129 on Air Transat and WestJet, 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 (45%), Porter Airlines (45%) or Air Transat (45%) 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$ 149. On average you can expect to pay C$ 1,025. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 209.

  • 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, November is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of C$ 155). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 234). 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
Toronto Island to Las Vegas flights
Abbotsford to Las Vegas flights
Edmonton to Las Vegas flights
Winnipeg to Las Vegas flights
Québec City to Las Vegas flights
Hamilton to Las Vegas flights
Region of Waterloo Intl to Las Vegas flights
Ottawa to Las Vegas flights
Regina to Las Vegas flights
Saskatoon to Las Vegas flights
Victoria to Las Vegas flights
Halifax to Las Vegas flights
Kelowna to Las Vegas flights
St. John's to Las Vegas flights
Vancouver Intl to Reno flights
Fredericton to Las Vegas flights
Pearson Intl to Reno flights
Pierre Elliott Trudeau Intl to Reno flights
London to Las Vegas flights
Windsor to Las Vegas flights
Thunder Bay to Las Vegas flights
Calgary to Reno flights
St John to Las Vegas flights
Grande Prairie to Las Vegas flights
Moncton to Las Vegas flights
Prince George to Las Vegas flights
Fort St. John to Las Vegas flights
Edmonton to Reno flights
Comox to Las Vegas flights
Kamloops to Las Vegas flights
Fort McMurray to Las Vegas flights
Charlottetown to Las Vegas flights
Victoria to Reno flights
Sudbury to Las Vegas flights
Nanaimo to Las Vegas flights
Edmonton to Elko flights
Penticton to Las Vegas flights
Lethbridge to Las Vegas flights
Deer Lake to Las Vegas flights
Pearson Intl to Elko flights
Sault Ste Marie to Las Vegas flights
Sarnia to Las Vegas flights
Kingston 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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 148AverageC$ 400FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 155AverageC$ 463FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 156AverageC$ 348FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 170AverageC$ 379FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 177AverageC$ 426FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 189AverageC$ 394FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 243AverageC$ 461FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 281AverageC$ 681FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
APG AirlinesCheapestC$ 536AverageC$ 677FlexibilityNo 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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