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Cheap flights from Ontario to Las Vegas from C$ 218

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
3 Sep — 10 Sep1
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 4 August 2026.

Thu 5/116:10 p.m.
YHM
-
LAS
2 stops28h 05m
WestJet
Tue 10/111:10 p.m.
LAS
-
YHM
2 stops24h 07m
WestJet
Deal found 30/7C$ 373
Wed 11/116:10 p.m.
YHM
-
LAS
2 stops28h 05m
WestJet
Sat 14/119:15 p.m.
LAS
-
YHM
2 stops16h 02m
WestJet
Deal found 31/7C$ 376
Thu 10/97:00 a.m.
YYZ
-
LAS
Nonstop4h 47m
Porter Airlines
Sun 20/911:20 p.m.
LAS
-
YYZ
Nonstop4h 19m
Porter Airlines
Deal found 3/8C$ 378
Fri 18/95:30 p.m.
YYZ
-
LAS
1 stop7h 53m
Air Canada
Tue 22/96:50 a.m.
LAS
-
YYZ
1 stop9h 53m
Air Canada
Deal found 3/8C$ 380
Thu 3/95:16 p.m.
YYZ
-
LAS
1 stop10h 12m
Multiple Airlines
Tue 8/911:25 p.m.
LAS
-
YYZ
Nonstop4h 19m
Multiple Airlines
Deal found 3/8C$ 382
Mon 28/96:10 p.m.
YHM
-
LAS
2 stops21h 20m
WestJet
Thu 1/108:45 p.m.
LAS
-
YHM
2 stops17h 30m
WestJet
Deal found 2/8C$ 383
Sun 6/98:40 p.m.
YKF
-
LAS
2 stops22h 05m
WestJet
Fri 11/94:35 p.m.
LAS
-
YKF
2 stops24h 15m
WestJet
Deal found 31/7C$ 385
Tue 20/104:30 p.m.
YTZ
-
LAS
1 stop8h 53m
Air Canada
Wed 21/1011:25 p.m.
LAS
-
YTZ
1 stop7h 40m
Air Canada
Deal found 3/8C$ 385
Tue 8/96:10 p.m.
YHM
-
LAS
2 stops21h 20m
WestJet
Tue 15/96:10 p.m.
LAS
-
YHM
1 stop20h 05m
WestJet
Deal found 2/8C$ 385
Sat 22/88:35 p.m.
YYZ
-
LAS
Nonstop4h 47m
Porter Airlines
Tue 25/811:20 p.m.
LAS
-
YYZ
Nonstop4h 19m
Porter Airlines
Deal found 30/7C$ 385
Sat 29/88:40 p.m.
YKF
-
LAS
1 stop23h 35m
WestJet
Thu 3/98:30 a.m.
LAS
-
YKF
1 stop8h 20m
WestJet
Deal found 1/8C$ 386
Thu 27/88:35 p.m.
YYZ
-
LAS
Nonstop4h 47m
Porter Airlines
Sat 12/912:45 p.m.
LAS
-
YYZ
Nonstop4h 24m
Porter Airlines
Deal found 2/8C$ 386

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 4 August 2026.

Round-trip from

C$ 373

One-way from

C$ 218

Popular in

July

Cheapest in

January

Average price

C$ 563

Good round-trip deal

C$ 457 or less

Good one-way deal

C$ 279 or less
WestJet
  • WestJet
  • 5/11-10/11
  • 4 total stops
  • 52h 12m total
  • Ontario to Las Vegas
Search Deals
WestJet
  • WestJet
  • 25/10
  • 1 total stop
  • 19h 13m total
  • Ontario to Las Vegas
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 4 August 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

Cheapest round-trip

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 8/9

8:40 p.m.-12:30 p.m.

2 stops18h 50m

Las Vegas Harry Reid Intl

Tue 15/9

1:45 p.m.-7:50 p.m.

1 stop27h 05m

C$ 390

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 17/9

8:40 p.m.-3:30 p.m.

1 stop21h 50m

Las Vegas Harry Reid Intl

Tue 22/9

6:10 p.m.-7:50 p.m.

1 stop22h 40m

C$ 393

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 8/9

8:40 p.m.-12:30 p.m.

2 stops18h 50m

Las Vegas Harry Reid Intl

Fri 11/9

4:35 p.m.-7:50 p.m.

2 stops24h 15m

C$ 394

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 10/9

8:40 p.m.-3:45 p.m.

2 stops22h 05m

Las Vegas Harry Reid Intl

Mon 14/9

4:30 p.m.-7:50 p.m.

1 stop24h 20m

C$ 400

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 5/9

8:50 a.m.-5:57 p.m.

2 stops12h 07m

Las Vegas Harry Reid Intl

Wed 9/9

7:20 a.m.-5:56 p.m.

1 stop7h 36m

C$ 403

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 11/9

4:18 p.m.-11:54 p.m.

2 stops10h 36m

Las Vegas Harry Reid Intl

Sat 19/9

8:04 a.m.-9:32 p.m.

2 stops10h 28m

C$ 403

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 12/9

8:50 a.m.-3:02 p.m.

1 stop9h 12m

Las Vegas Harry Reid Intl

Sat 19/9

11:57 p.m.-10:04 a.m.

1 stop7h 07m

C$ 403
Quickest round-trip

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 10/9

2:45 p.m.-6:54 p.m.

1 stop7h 09m

Las Vegas Harry Reid Intl

Sun 13/9

11:25 p.m.-6:44 a.m.

Nonstop4h 19m

C$ 404

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 10/9

6:30 a.m.-1:58 p.m.

1 stop10h 28m

Las Vegas Harry Reid Intl

Mon 14/9

5:07 p.m.-7:00 a.m.

1 stop10h 53m

C$ 404

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 26/10

3:35 p.m.-10:32 p.m.

1 stop9h 57m

Las Vegas Harry Reid Intl

Sat 31/10

7:00 a.m.-9:15 p.m.

2 stops11h 15m

C$ 404

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

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, January is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of C$ 310). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of C$ 583). 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 4 August 2026.

It’s typically best to fly out from Region of Ontario to Las Vegas in the afternoon. Doing so could potentially save you 36% on the flight price compared to flying at noon, which is usually more expensive.

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 4 August 2026.

The most flights from CAON to LAS are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, 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?

Airfare is below average for this route at the moment.
Region of Ontario to Las Vegas flights typically cost between C$ 449 and C$ 700 in September.
The cheapest round-trip price found within the last 5 days was C$ 378 on Porter Airlines (10 Sep-20 Sep).

How far ahead should I book a flight from Region of Ontario to Las Vegas?

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 14 March 2026.

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. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 11h 14m. WestJet provides one of the quickest options available for as low as C$ 590. The distance from Region of Ontario to Las Vegas is about 3592 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$ 148 and C$ 160 on Porter Airlines 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 Delta (100%), WestJet (100%) or Air Canada (79%) 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$ 205. On average you can expect to pay C$ 675. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 309.

  • 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$ 310). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of C$ 583). 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
Paradise
Kingman
North Las Vegas
Henderson

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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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Whitehorse to Las Vegas flights
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Top 8 airlines flying from Ontario to Las Vegas

Discover the top 8 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 161AverageC$ 383FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 183AverageC$ 679FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 194AverageC$ 453FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 221AverageC$ 511FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 234AverageC$ 535FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 278AverageC$ 496FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 296AverageC$ 541FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
APG AirlinesCheapestC$ 550AverageC$ 694FlexibilityNo 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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