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Cheap flights from Ontario to Las Vegas from C$ 154

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

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 January 2026.

Round-trip from

C$ 211

One-way from

C$ 154

Popular in

August

Cheapest in

January

Average price

C$ 273

Good round-trip deal

C$ 263 or less

Good one-way deal

C$ 200 or less
WestJet
  • WestJet
  • 28/4-2/5
  • 2 total stops
  • 20h 09m total
  • Ontario to Las Vegas
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WestJet
  • WestJet
  • 8/3
  • 1 total stop
  • 11h 03m total
  • Ontario to Las Vegas
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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

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 15 January 2026.

Wed 28/19:35 a.m.
YYZ
-
LAS
Nonstop5h 07m
Porter Airlines
Sat 31/112:40 p.m.
LAS
-
YYZ
Nonstop4h 15m
Porter Airlines
Deal found 13/1C$ 211
Sat 2/56:00 a.m.
YKF
-
LAS
1 stop9h 54m
WestJet
Wed 6/511:30 a.m.
LAS
-
YKF
1 stop10h 15m
WestJet
Deal found 12/1C$ 212
Fri 27/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Mon 2/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 14/1C$ 212
Mon 16/28:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Thu 19/211:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 14/1C$ 214
Fri 17/48:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Tue 21/47:05 p.m.
LAS
-
YYZ
1 stop8h 08m
WestJet
Deal found 13/1C$ 215
Sun 1/27:15 a.m.
YYZ
-
LAS
1 stop16h 01m
WestJet
Tue 3/28:00 a.m.
LAS
-
YYZ
1 stop8h 36m
WestJet
Deal found 12/1C$ 217
Sun 22/27:55 p.m.
YYZ
-
LAS
Nonstop5h 07m
Porter Airlines
Fri 27/211:05 p.m.
LAS
-
YYZ
Nonstop4h 15m
Porter Airlines
Deal found 13/1C$ 218
Tue 14/46:20 a.m.
YKF
-
LAS
2 stops32h 59m
WestJet
Fri 17/41:10 p.m.
LAS
-
YKF
2 stops13h 19m
WestJet
Deal found 12/1C$ 219
Tue 27/112:30 p.m.
YYZ
-
LAS
2 stops12h 01m
WestJet
Sun 1/29:15 p.m.
LAS
-
YYZ
1 stop13h 25m
WestJet
Deal found 12/1C$ 219
Thu 29/112:30 p.m.
YYZ
-
LAS
1 stop9h 09m
WestJet
Mon 2/211:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Deal found 14/1C$ 221
Sun 19/48:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Fri 24/48:05 a.m.
LAS
-
YYZ
1 stop8h 31m
WestJet
Deal found 14/1C$ 222
Mon 4/59:45 a.m.
YYZ
-
LAS
Nonstop4h 54m
WestJet
Wed 6/512:35 p.m.
LAS
-
YYZ
Nonstop4h 23m
WestJet
Deal found 12/1C$ 224

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 January 2026.
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

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Sun 3/5

6:00 a.m.-12:54 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Tue 5/5

1:45 p.m.-12:45 a.m.

1 stop8h 00m

C$ 212

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Mon 4/5

6:00 a.m.-12:54 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Tue 5/5

1:45 p.m.-12:45 a.m.

1 stop8h 00m

C$ 212

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Sun 10/5

6:00 a.m.-12:54 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Wed 13/5

10:00 a.m.-12:45 a.m.

2 stops11h 45m

C$ 214

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Mon 11/5

6:00 a.m.-12:54 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Wed 13/5

10:00 a.m.-12:45 a.m.

2 stops11h 45m

C$ 214

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Sat 9/5

6:00 a.m.-12:54 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Wed 13/5

10:00 a.m.-12:45 a.m.

2 stops11h 45m

C$ 214

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Wed 6/5

6:00 a.m.-12:54 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Thu 7/5

1:45 p.m.-12:45 a.m.

1 stop8h 00m

C$ 235

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Sun 21/6

6:00 a.m.-9:29 p.m.

1 stop18h 29m

Las Vegas Harry Reid Intl

Sat 4/7

8:00 a.m.-6:55 p.m.

1 stop7h 55m

C$ 244

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 7/5

6:00 a.m.-12:54 p.m.

1 stop9h 54m

Las Vegas Harry Reid Intl

Mon 11/5

1:45 p.m.-12:45 a.m.

1 stop8h 00m

C$ 244

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 21/4

6:20 a.m.-6:13 p.m.

1 stop14h 53m

Las Vegas Harry Reid Intl

Fri 24/4

1:10 p.m.-5:29 a.m.

2 stops13h 19m

C$ 250

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 25/6

7:45 p.m.-8:20 p.m.

2 stops27h 35m

Las Vegas Harry Reid Intl

Mon 29/6

8:00 a.m.-6:55 p.m.

1 stop7h 55m

C$ 261

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/1

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$ 146). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 237). 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 January 2026.

It’s typically best to fly out from Region of Ontario to Las Vegas in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the evening, 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 March 2025.

Travelers seeking maximum savings on their Region of Ontario to Las Vegas flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday 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 15 January 2026.

The most flights from CAON to LAS are scheduled on a Monday (9 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 07m. WestJet provides one of the quickest options available for as low as C$ 287. 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 Porter Airlines. According to our data, you can fly for as low as C$ 126. Users have also found prices from C$ 129 and C$ 130 on WestJet 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 American Airlines (69%), Porter Airlines (69%) or Air Transat (69%) 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$ 146. On average you can expect to pay C$ 358. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 190.

  • 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$ 146). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 237). 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
Kingman
Boulder City
Henderson
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
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Edmonton to Las Vegas flights
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Region of Waterloo Intl to Las Vegas flights
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Pearson Intl to Reno flights
Vancouver Intl to Reno flights
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Sault Ste Marie to Las Vegas flights
St. John's to Las Vegas flights
Pierre Elliott Trudeau Intl to Reno flights
Nanaimo to Las Vegas flights
Grande Prairie to Las Vegas flights
Fort McMurray to Las Vegas flights
Kamloops to Las Vegas flights
Comox to Las Vegas flights
Prince George to Las Vegas flights
London to Las Vegas flights
Calgary to Reno flights
Sudbury to Las Vegas flights
Windsor to Las Vegas flights
Thunder Bay to Las Vegas flights
Fredericton to Las Vegas flights
St John to Las Vegas flights
Sydney to Las Vegas flights
Edmonton to Reno flights
Penticton to Las Vegas flights
Pearson Intl to Elko flights
Victoria to Reno flights
Lethbridge to Las Vegas flights
Fort St. John to Las Vegas flights
Edmonton to Elko flights
Brandon to Las Vegas flights
Kingston to Las Vegas flights
Red Deer 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 159AverageC$ 361FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 174AverageC$ 361FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 179AverageC$ 400FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 179AverageC$ 433FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 185AverageC$ 465FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 227AverageC$ 441FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 236AverageC$ 432FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 285AverageC$ 691FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
APG AirlinesCheapestC$ 544AverageC$ 687FlexibilityNo 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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