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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
26 Dec — 2 Jan1
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 26 November 2025.

Mon 15/128:00 p.m.YYZ - LAS
Nonstop5h 09mWestJet
Mon 22/1211:25 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 26/11C$ 240
Mon 15/128:00 p.m.YYZ - LAS
Nonstop5h 09mWestJet
Fri 19/1211:25 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 25/11C$ 241
Tue 9/129:35 a.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Fri 12/1212:40 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 25/11C$ 243
Mon 8/129:40 a.m.YYZ - LAS
2 stops11h 31mWestJet
Fri 12/129:15 p.m.LAS - YYZ
2 stops23h 24mWestJet
Deal found 24/11C$ 244
Thu 11/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Mon 15/1211:25 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 25/11C$ 246
Sat 13/127:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Mon 15/1211:05 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 25/11C$ 247
Mon 15/128:00 p.m.YYZ - LAS
Nonstop5h 09mWestJet
Thu 18/128:00 a.m.LAS - YYZ
1 stop12h 11mWestJet
Deal found 26/11C$ 248
Tue 9/126:30 a.m.YYZ - LAS
1 stop14h 41mWestJet
Fri 12/121:10 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 25/11C$ 250
Tue 9/129:40 a.m.YYZ - LAS
2 stops11h 31mWestJet
Sat 13/129:15 p.m.LAS - YYZ
1 stop13h 25mWestJet
Deal found 25/11C$ 251
Thu 11/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Tue 16/128:00 a.m.LAS - YYZ
2 stops12h 38mWestJet
Deal found 23/11C$ 253
Sun 14/1210:15 p.m.YYZ - LAS
1 stop13h 59mWestJet
Fri 9/17:05 p.m.LAS - YYZ
1 stop8h 53mWestJet
Deal found 24/11C$ 254
Fri 12/129:45 a.m.YYZ - LAS
Nonstop5h 13mWestJet
Fri 19/1211:25 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Deal found 23/11C$ 255

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 26 November 2025.

Round-trip from

C$ 238

One-way from

C$ 151

Popular in

December

Cheapest in

January

Average price

C$ 372

Good round-trip deal

C$ 277 or less

Good one-way deal

C$ 164 or less
Porter Airlines
  • Porter Airlines
  • 28/1-31/1
  • 1 total stop
  • 13h 24m total
  • Ontario to Las Vegas
WestJet
  • WestJet
  • 5/1
  • Nonstop
  • 5h 09m total
  • Ontario to Las Vegas
Highest demand for flights based on searches. 2% potential increase in price (C$ 15 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Ontario to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from Ontario to Las Vegas Harry Reid Intl.

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 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

Sat 24/1

1:30 p.m.-9:31 p.m.

1 stop11h 01m

Las Vegas Harry Reid Intl

Fri 30/1

7:05 p.m.-6:58 a.m.

1 stop8h 53m

C$ 289

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 26/1

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

Nonstop5h 07m

Las Vegas Harry Reid Intl

Fri 30/1

11:05 p.m.-6:20 a.m.

Nonstop4h 15m

C$ 291

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 6/1

6:10 a.m.-4:00 p.m.

1 stop12h 50m

Las Vegas Harry Reid Intl

Tue 6/1

6:55 p.m.-2:20 p.m.

1 stop16h 25m

C$ 310

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 23/1

4:10 p.m.-9:59 p.m.

1 stop8h 49m

Las Vegas Harry Reid Intl

Sat 24/1

12:30 a.m.-9:58 a.m.

1 stop6h 28m

C$ 319

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 9/1

2:57 p.m.-9:51 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Sun 11/1

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

1 stop10h 21m

C$ 319

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 20/1

3:45 p.m.-9:59 p.m.

1 stop9h 14m

Las Vegas Harry Reid Intl

Tue 27/1

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

1 stop10h 21m

C$ 319

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 7/1

2:57 p.m.-9:51 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Fri 9/1

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

1 stop10h 21m

C$ 319

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 25/1

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

2 stops11h 02m

Las Vegas Harry Reid Intl

Wed 28/1

11:53 a.m.-11:46 p.m.

2 stops8h 53m

C$ 319

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 14/1

2:45 p.m.-9:57 p.m.

1 stop10h 12m

Las Vegas Harry Reid Intl

Thu 15/1

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

1 stop10h 21m

C$ 319

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Thu 8/1

12:30 p.m.-8:39 p.m.

1 stop11h 09m

Las Vegas Harry Reid Intl

Wed 14/1

9:00 a.m.-9:35 p.m.

1 stop9h 35m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/11

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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$ 152). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 241). 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 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 26 November 2025.

The most flights from CAON to LAS are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 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$ 291. 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$ 159. Users have also found prices from C$ 172 and C$ 174 on Air Canada and Porter Airlines, respectively.

  • What are the most popular routes 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 (92%), WestJet (89%) or Delta (88%) 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$ 142. On average you can expect to pay C$ 815. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 206.

  • 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$ 152). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 241). 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.

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 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 161AverageC$ 374FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 175AverageC$ 341FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 182AverageC$ 448FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 186AverageC$ 463FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 190AverageC$ 490FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 236AverageC$ 432FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 244AverageC$ 451FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 290AverageC$ 702FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
APG AirlinesCheapestC$ 553AverageC$ 698FlexibilityNo 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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