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Cheap flights from Ontario to Las Vegas from C$ 150

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 13 November 2025.

Thu 4/1212:30 p.m.YYZ - LAS
1 stop9h 09mWestJet
Tue 9/1211:20 a.m.LAS - YYZ
1 stop8h 51mWestJet
Deal found 10/11C$ 241
Fri 5/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Thu 18/1211:25 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 12/11C$ 244
Fri 12/129:40 a.m.YYZ - LAS
2 stops13h 35mWestJet
Thu 18/1211:25 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 12/11C$ 245
Tue 2/1212:30 p.m.YYZ - LAS
2 stops12h 01mWestJet
Mon 15/1211:25 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 11/11C$ 247
Fri 5/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Mon 8/121:10 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 12/11C$ 249
Thu 4/1212:40 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Sun 7/1211:05 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 11/11C$ 251
Thu 4/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Sun 7/121:10 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 10/11C$ 254
Fri 5/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Tue 9/1211:20 a.m.LAS - YYZ
1 stop10h 06mWestJet
Deal found 11/11C$ 255
Mon 1/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Fri 5/121:10 p.m.LAS - YYZ
2 stops13h 48mWestJet
Deal found 10/11C$ 256
Sat 6/123:30 p.m.YTZ - LAS
1 stop8h 09mAir Canada
Tue 9/129:10 a.m.LAS - YTZ
1 stop9h 25mAir Canada
Deal found 10/11C$ 291
Tue 9/1212:30 p.m.YTZ - LAS
1 stop11h 09mAir Canada
Sat 13/129:10 a.m.LAS - YTZ
1 stop7h 45mAir Canada
Deal found 13/11C$ 307
Wed 17/123:30 p.m.YTZ - LAS
1 stop8h 09mAir Canada
Thu 25/129:10 a.m.LAS - YTZ
1 stop7h 45mAir Canada
Deal found 11/11C$ 325

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 13 November 2025.

Round-trip from

C$ 241

One-way from

C$ 150

Popular in

December

Cheapest in

January

Average price

C$ 364

Good round-trip deal

C$ 276 or less

Good one-way deal

C$ 164 or less
WestJet
  • WestJet
  • 15/1-17/1
  • 2 total stops
  • 17h 48m total
  • Ontario to Las Vegas
Search Deals
WestJet
  • WestJet
  • 6/2
  • Nonstop
  • 5h 12m total
  • Ontario to Las Vegas
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 13 November 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

Mon 1/12

9:45 a.m.-11:58 a.m.

Nonstop5h 13m

Las Vegas Harry Reid Intl

Thu 11/12

11:20 a.m.-11:11 p.m.

1 stop8h 51m

C$ 296

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 10/12

9:00 a.m.-12:57 p.m.

1 stop6h 57m

Las Vegas Harry Reid Intl

Wed 17/12

4:19 p.m.-9:58 a.m.

2 stops14h 39m

C$ 304

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 20/1

5:55 p.m.-12:57 a.m.

1 stop10h 02m

Las Vegas Harry Reid Intl

Tue 27/1

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

1 stop10h 21m

C$ 318

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 11/1

6:10 a.m.-6:29 p.m.

1 stop15h 19m

Las Vegas Harry Reid Intl

Thu 22/1

12:30 a.m.-7:45 p.m.

1 stop16h 15m

C$ 326

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 25/1

3:30 p.m.-9:59 p.m.

1 stop9h 29m

Las Vegas Harry Reid Intl

Tue 27/1

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

1 stop10h 21m

C$ 328

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 21/1

11:00 a.m.-7:02 p.m.

2 stops11h 02m

Las Vegas Harry Reid Intl

Sat 24/1

12:30 a.m.-2:01 p.m.

1 stop10h 31m

C$ 329

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 8/2

6:50 a.m.-12:58 p.m.

1 stop9h 08m

Las Vegas Harry Reid Intl

Tue 10/2

12:59 a.m.-2:01 p.m.

2 stops10h 02m

C$ 329

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 28/11

6:50 a.m.-11:28 a.m.

1 stop7h 38m

Las Vegas Harry Reid Intl

Tue 2/12

5:20 a.m.-3:02 p.m.

1 stop6h 42m

C$ 339

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 26/11

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

1 stop8h 50m

Las Vegas Harry Reid Intl

Wed 3/12

5:20 a.m.-3:02 p.m.

1 stop6h 42m

C$ 345

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 14/12

9:00 a.m.-3:06 p.m.

1 stop9h 06m

Las Vegas Harry Reid Intl

Wed 24/12

6:05 a.m.-10:37 p.m.

1 stop13h 32m

C$ 345

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

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$ 151). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 240). 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 13 November 2025.

It’s typically best to fly out from Region of Ontario to Las Vegas in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying at noon, 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 December 2024.

Travelers seeking maximum savings on their Region of Ontario to Las Vegas flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday 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 13 November 2025.

The most flights from CAON to LAS are scheduled on a Monday (11 on average). You will have fewer flight options on Sunday, 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 13m. WestJet provides one of the quickest options available for as low as C$ 296. 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$ 150. Users have also found prices from C$ 186 and C$ 231 on Air Canada and Porter 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 Air France (100%), Delta (97%) or WestJet (95%) 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$ 139. On average you can expect to pay C$ 757. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 220.

  • 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$ 151). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 240). 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.
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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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 160AverageC$ 372FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 174AverageC$ 339FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 181AverageC$ 445FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 185AverageC$ 460FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 189AverageC$ 486FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 234AverageC$ 429FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 242AverageC$ 448FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 288AverageC$ 697FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
APG AirlinesCheapestC$ 549AverageC$ 693FlexibilityNo 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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