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Cheap flights from Ontario to Las Vegas from C$ 142

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap 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 15 September 2025.

Round-trip from

C$ 245

One-way from

C$ 142

Popular in

December

Cheapest in

January

Average price

C$ 367

Good round-trip deal

C$ 312 or less

Good one-way deal

C$ 211 or less
WestJet
  • WestJet
  • 28/9-3/10
  • 3 total stops
  • 35h 41m total
  • Ontario to Las Vegas
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WestJet
  • WestJet
  • 1/10
  • 2 total stops
  • 16h 21m total
  • Ontario to Las Vegas
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Ontario to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Ontario to Las Vegas Harry Reid Intl.
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Find 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 15 September 2025.

Thu 30/109:45 a.m.YYZ - LAS
Nonstop5h 13mMultiple Airlines
Thu 30/103:45 p.m.LAS - YYZ
Nonstop4h 15mMultiple Airlines
Deal found 15/9C$ 243
Sun 28/910:20 p.m.YYZ - LAS
2 stops26h 09mWestJet
Fri 3/106:20 p.m.LAS - YYZ
1 stop9h 32mWestJet
Deal found 14/9C$ 245
Tue 28/109:35 a.m.YYZ - LAS
Nonstop5h 07mMultiple Airlines
Thu 30/101:10 p.m.LAS - YYZ
Nonstop4h 22mMultiple Airlines
Deal found 15/9C$ 246
Wed 15/109:30 a.m.YYZ - LAS
Nonstop4h 50mMultiple Airlines
Sat 25/108:00 a.m.LAS - YYZ
1 stop9h 52mMultiple Airlines
Deal found 14/9C$ 247
Wed 15/1012:00 p.m.YYZ - LAS
2 stops11h 21mWestJet
Sat 18/101:25 p.m.LAS - YYZ
2 stops13h 47mWestJet
Deal found 14/9C$ 249
Fri 17/108:05 p.m.YYZ - LAS
Nonstop4h 50mMultiple Airlines
Tue 21/108:00 a.m.LAS - YYZ
1 stop11h 52mMultiple Airlines
Deal found 14/9C$ 250
Sat 18/104:00 p.m.YYZ - LAS
1 stop9h 22mAir Canada
Tue 21/1011:20 p.m.LAS - YYZ
Nonstop4h 20mAir Canada
Deal found 14/9C$ 251
Sat 15/117:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Wed 19/1112:40 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 14/9C$ 253
Thu 11/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Wed 17/1211:20 a.m.LAS - YYZ
1 stop8h 51mWestJet
Deal found 14/9C$ 254
Fri 28/1112:30 p.m.YYZ - LAS
1 stop9h 09mWestJet
Mon 1/128:00 a.m.LAS - YYZ
2 stops12h 38mWestJet
Deal found 14/9C$ 256
Sun 21/910:20 p.m.YYZ - LAS
1 stop13h 48mWestJet
Thu 2/108:00 a.m.LAS - YYZ
1 stop9h 52mWestJet
Deal found 14/9C$ 257
Fri 17/1010:25 p.m.YYZ - LAS
1 stop17h 07mWestJet
Mon 20/109:10 p.m.LAS - YYZ
1 stop22h 43mWestJet
Deal found 15/9C$ 258

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 15 September 2025.
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

Wed 1/10

12:00 p.m.-8:21 p.m.

1 stop11h 21m

Las Vegas Harry Reid Intl

Sun 5/10

10:00 a.m.-6:12 a.m.

2 stops17h 12m

C$ 243

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 30/10

10:30 a.m.-8:15 p.m.

1 stop12h 45m

Las Vegas Harry Reid Intl

Fri 7/11

1:10 p.m.-8:32 p.m.

Nonstop4h 22m

C$ 243

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 15/10

10:00 a.m.-8:21 p.m.

2 stops13h 21m

Las Vegas Harry Reid Intl

Fri 17/10

1:25 p.m.-6:12 a.m.

2 stops13h 47m

C$ 247

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 12/12

8:25 p.m.-10:31 p.m.

Nonstop5h 06m

Las Vegas Harry Reid Intl

Tue 16/12

12:10 p.m.-7:25 p.m.

Nonstop4h 15m

C$ 258

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 28/11

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

Nonstop5h 07m

Las Vegas Harry Reid Intl

Wed 3/12

8:00 a.m.-9:11 p.m.

1 stop10h 11m

C$ 258

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 30/9

7:00 a.m.-4:41 p.m.

3 stops12h 41m

Las Vegas Harry Reid Intl

Sat 4/10

6:30 a.m.-5:19 p.m.

1 stop7h 49m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 5/10

6:10 a.m.-7:42 p.m.

1 stop16h 32m

Las Vegas Harry Reid Intl

Mon 6/10

12:59 a.m.-2:30 p.m.

1 stop10h 31m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 21/10

3:00 p.m.-8:18 p.m.

1 stop8h 18m

Las Vegas Harry Reid Intl

Fri 24/10

7:00 a.m.-8:44 p.m.

1 stop10h 44m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 11/10

10:15 a.m.-9:47 p.m.

1 stop14h 32m

Las Vegas Harry Reid Intl

Fri 17/10

12:59 a.m.-2:30 p.m.

1 stop10h 31m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 29/10

3:45 p.m.-9:35 p.m.

1 stop8h 50m

Las Vegas Harry Reid Intl

Fri 31/10

12:59 a.m.-2:20 p.m.

1 stop10h 21m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

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, January is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of C$ 212). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 292). 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 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Las Vegas as you normally would.

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 15 September 2025.

The most flights from CAON to LAS are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 06m. WestJet provides one of the quickest options available for as low as C$ 258. 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 WestJet. According to our data, you can fly for as low as C$ 142. Users have also found prices from C$ 156 and C$ 160 on Air Canada and United Airlines, 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 Delta (89%), WestJet (89%) or Porter Airlines (68%) 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$ 152. On average you can expect to pay C$ 868. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 188.

  • 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, January is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of C$ 212). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 292). 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
Henderson
Boulder City
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
Pierre Elliott Trudeau Intl to Las Vegas flights
Calgary to Las Vegas flights
Edmonton to Las Vegas flights
Abbotsford to Las Vegas flights
Toronto Island to Las Vegas flights
Winnipeg to Las Vegas flights
Hamilton to Las Vegas flights
Ottawa to Las Vegas flights
Region of Waterloo Intl to Las Vegas flights
Victoria to Las Vegas flights
Regina to Las Vegas flights
Québec City to Las Vegas flights
Halifax to Las Vegas flights
Saskatoon to Las Vegas flights
Kelowna to Las Vegas flights
Comox to Las Vegas flights
Nanaimo to Las Vegas flights
Moncton to Las Vegas flights
Grande Prairie to Las Vegas flights
Kamloops to Las Vegas flights
London to Las Vegas flights
Vancouver Intl to Reno flights
Pearson Intl to Reno flights
Pierre Elliott Trudeau Intl to Reno flights
Edmonton to Reno flights
Sault Ste Marie to Las Vegas flights
Calgary to Reno flights
Fredericton to Las Vegas flights
Lethbridge to Las Vegas flights
Thunder Bay to Las Vegas flights
St John to Las Vegas flights
St. John's to Las Vegas flights
Charlottetown to Las Vegas flights
Sudbury to Las Vegas flights
Fort St. John to Las Vegas flights
Fort McMurray to Las Vegas flights
Prince George to Las Vegas flights
Windsor to Las Vegas flights
Deer Lake to Las Vegas flights
Victoria to Reno flights
Edmonton to Elko flights
Saguenay to Las Vegas flights
Campbell River to Las Vegas flights
Pearson Intl to Elko flights
Brandon 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 171AverageC$ 350FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 177AverageC$ 364FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 182AverageC$ 464FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 192AverageC$ 466FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 194AverageC$ 488FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 240AverageC$ 450FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapestC$ 260AverageC$ 516FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJet EncoreCheapestC$ 284AverageC$ 688FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
APG AirlinesCheapestC$ 541AverageC$ 683FlexibilityNo cancel feeOn-timeN/A
Search APG Airlines flights

Fly with Cheapflights

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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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