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Cheap flights from Ontario to Las Vegas from C$ 219

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
7 Aug — 14 Aug1
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 8 July 2026.

Sun 20/97:20 a.m.
YOW
-
LAS
2 stops11h 25m
WestJet
Fri 25/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 3/7C$ 386
Sat 26/912:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Wed 30/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 3/7C$ 389
Mon 23/117:45 a.m.
YYZ
-
LAS
2 stops14h 30m
WestJet
Thu 3/1211:20 a.m.
LAS
-
YYZ
1 stop9h 13m
WestJet
Deal found 7/7C$ 395
Fri 6/115:40 a.m.
YOW
-
LAS
2 stops16h 35m
WestJet
Tue 10/118:00 a.m.
LAS
-
YOW
2 stops13h 42m
WestJet
Deal found 3/7C$ 396
Tue 8/98:00 a.m.
YYZ
-
LAS
2 stops12h 15m
WestJet
Fri 18/94:15 p.m.
LAS
-
YYZ
2 stops11h 40m
WestJet
Deal found 7/7C$ 396
Fri 16/1012:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Fri 30/108:00 a.m.
LAS
-
YOW
2 stops13h 42m
WestJet
Deal found 3/7C$ 398
Fri 16/106:10 a.m.
YYZ
-
LAS
2 stops12h 20m
WestJet
Tue 20/101:45 p.m.
LAS
-
YYZ
2 stops12h 25m
WestJet
Deal found 7/7C$ 398
Sat 17/1012:40 p.m.
YYZ
-
LAS
2 stops12h 00m
WestJet
Mon 19/104:30 p.m.
LAS
-
YYZ
1 stop10h 15m
WestJet
Deal found 3/7C$ 399
Mon 26/107:45 a.m.
YYZ
-
LAS
1 stop12h 19m
Delta
Mon 2/1110:30 p.m.
LAS
-
YYZ
1 stop7h 20m
Delta
Deal found 5/7C$ 401
Sat 10/101:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Sat 24/106:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 3/7C$ 402
Mon 31/811:40 a.m.
YYZ
-
LAS
1 stop9h 12m
Delta
Fri 4/99:59 a.m.
LAS
-
YYZ
1 stop10h 04m
Delta
Deal found 7/7C$ 402
Tue 8/910:00 a.m.
YYZ
-
LAS
1 stop10h 15m
WestJet
Thu 10/91:20 p.m.
LAS
-
YYZ
2 stops13h 25m
WestJet
Deal found 5/7C$ 403

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 8 July 2026.

Round-trip from

C$ 386

One-way from

C$ 219

Popular in

July

Cheapest in

January

Average price

C$ 607

Good round-trip deal

C$ 460 or less

Good one-way deal

C$ 260 or less
WestJet
  • WestJet
  • 20/9-25/9
  • 3 total stops
  • 19h 50m total
  • Ontario to Las Vegas
Search Deals
WestJet
  • WestJet
  • 22/9
  • 2 total stops
  • 21h 20m total
  • Ontario to Las Vegas
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 8 July 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

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 26/10

2:26 p.m.-9:19 p.m.

1 stop9h 53m

Las Vegas Harry Reid Intl

Fri 30/10

11:20 p.m.-10:23 a.m.

1 stop8h 03m

C$ 401
Quickest round-trip

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 31/8

9:45 a.m.-1:38 p.m.

1 stop6h 53m

Las Vegas Harry Reid Intl

Thu 10/9

1:30 p.m.-11:59 p.m.

1 stop7h 29m

C$ 402

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Wed 23/9

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

1 stop21h 50m

Las Vegas Harry Reid Intl

Sun 27/9

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

1 stop24h 20m

C$ 405

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 21/10

6:00 a.m.-1:52 p.m.

1 stop10h 52m

Las Vegas Harry Reid Intl

Sun 25/10

11:40 p.m.-1:36 p.m.

1 stop10h 56m

C$ 405

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 20/10

6:30 a.m.-11:57 a.m.

1 stop8h 27m

Las Vegas Harry Reid Intl

Sun 25/10

11:40 p.m.-1:36 p.m.

1 stop10h 56m

C$ 405

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 22/10

12:10 p.m.-7:45 p.m.

1 stop10h 35m

Las Vegas Harry Reid Intl

Mon 2/11

10:30 p.m.-8:50 a.m.

1 stop7h 20m

C$ 409

HamiltonLas Vegas

YHM - LAS

YHMLAS

Hamilton

Fri 4/9

6:10 p.m.-9:40 p.m.

1 stop30h 30m

Las Vegas Harry Reid Intl

Sun 6/9

4:30 p.m.-5:15 p.m.

1 stop21h 45m

C$ 413

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 13/9

6:15 a.m.-12:37 p.m.

1 stop9h 22m

Las Vegas Harry Reid Intl

Fri 18/9

1:42 p.m.-11:13 p.m.

1 stop6h 31m

C$ 413

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Fri 4/9

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

1 stop28h 00m

Las Vegas Harry Reid Intl

Sun 6/9

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

1 stop24h 20m

C$ 416

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 8/10

6:15 a.m.-11:21 a.m.

1 stop8h 06m

Las Vegas Harry Reid Intl

Mon 12/10

11:40 p.m.-1:36 p.m.

1 stop10h 56m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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$ 291). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of C$ 558). 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 8 July 2026.

It’s typically best to fly out from Region of Ontario to Las Vegas in the evening. 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 8 July 2026.

The most flights from CAON to LAS are scheduled on a Tuesday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Region of Ontario to Las Vegas?

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

Booking 68 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 9h 53m. Delta provides one of the quickest options available for as low as C$ 401. 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$ 144. Users have also found prices from C$ 152 and C$ 167 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 (89%), WestJet (89%) or Air Canada (72%) 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$ 224. On average you can expect to pay C$ 660. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 318.

  • 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$ 291). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of C$ 558). 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.
Vancouver Intl to Las Vegas flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Calgary to Las Vegas flights
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Toronto Island to Las Vegas flights
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Hamilton to Las Vegas flights
Region of Waterloo Intl to Las Vegas flights
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Pearson Intl to Reno flights
St. John's to Las Vegas flights
Vancouver Intl to Reno flights
Windsor to Las Vegas flights
London to Las Vegas flights
Fort McMurray to Las Vegas flights
Moncton to Las Vegas flights
Fredericton to Las Vegas flights
Grande Prairie to Las Vegas flights
Charlottetown to Las Vegas flights
Thunder Bay to Las Vegas flights
Calgary to Reno flights
Edmonton to Reno flights
Sudbury to Las Vegas flights
St John to Las Vegas flights
Sault Ste Marie to Las Vegas flights
Nanaimo to Las Vegas flights
Prince George to Las Vegas flights
Fort St. John to Las Vegas flights
Pierre Elliott Trudeau Intl to Reno flights
Kamloops to Las Vegas flights
Deer Lake to Las Vegas flights
Victoria to Reno flights
Sydney to Las Vegas flights
Penticton to Las Vegas flights
Pearson Intl to Elko flights
Brandon to Las Vegas flights
Whitehorse to Las Vegas flights
Lethbridge to Las Vegas flights

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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 162AverageC$ 375FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 174AverageC$ 571FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 196AverageC$ 451FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 200AverageC$ 494FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 237AverageC$ 513FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 281AverageC$ 487FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 296AverageC$ 569FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
APG AirlinesCheapestC$ 557AverageC$ 703FlexibilityNo 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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