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$104+ Cheap flights from Ontario to Las Vegas (LAS)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Ontario to Las Vegas

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 November 3, 2025.

This Air Canada deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:25 pmYYZ - LAS
Nonstop5h 06mAir Canada
Tue 12/24:45 pmLAS - YYZ
1 stop10h 14mAir Canada
Deal found 10/30$167
This Air Canada deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:00 pmYYZ - LAS
1 stop10h 49mAir Canada
Mon 11/2411:30 pmLAS - YYZ
Nonstop4h 12mAir Canada
Deal found 10/30$168
This Air Canada deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:00 pmYYZ - LAS
1 stop10h 49mAir Canada
Tue 11/2511:30 pmLAS - YYZ
Nonstop4h 12mAir Canada
Deal found 10/30$169
This Air Canada deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:00 pmYYZ - LAS
1 stop10h 49mAir Canada
Tue 11/2511:30 pmLAS - YYZ
Nonstop4h 12mAir Canada
Deal found 10/31$170
This Air Canada deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:00 pmYYZ - LAS
1 stop10h 39mAir Canada
Sat 12/139:10 amLAS - YYZ
1 stop8h 20mAir Canada
Deal found 10/31$174
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmYYZ - LAS
2 stops12h 01mWestJet
Thu 12/41:10 pmLAS - YYZ
Nonstop4h 22mWestJet
Deal found 10/31$183
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:30 pmYYZ - LAS
2 stops12h 01mWestJet
Fri 12/58:00 amLAS - YYZ
1 stop8h 36mWestJet
Deal found 10/31$187
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:40 amYYZ - LAS
2 stops11h 31mWestJet
Mon 12/1511:25 pmLAS - YYZ
Nonstop4h 22mWestJet
Deal found 11/1$189
This Air Canada deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:25 pmYYZ - LAS
Nonstop5h 06mAir Canada
Tue 11/2511:30 pmLAS - YYZ
Nonstop4h 12mAir Canada
Deal found 10/31$193
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:30 pmYYZ - LAS
1 stop11h 01mWestJet
Mon 12/1511:25 pmLAS - YYZ
Nonstop4h 22mWestJet
Deal found 11/1$194
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:30 pmYTZ - LAS
1 stop8h 09mAir Canada
Wed 12/249:10 amLAS - YTZ
1 stop7h 45mAir Canada
Deal found 11/2$214
This Air Canada deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:30 pmYTZ - LAS
1 stop11h 09mAir Canada
Sat 12/139:10 amLAS - YTZ
1 stop9h 25mAir Canada
Deal found 11/1$231

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 November 3, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$166
(Kiwi.com)

One-way from

$104
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$256

Good round-trip deal

$197 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for Toronto (YTO)-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Las Vegas Harry Reid Intl flights.
Search Deals
From Ontario to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Ontario to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 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 2,558,603 searches. Data last updated November 3, 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

Tue 1/20

2:57 pm-9:51 pm

1 stop9h 54m

Las Vegas Harry Reid Intl

Tue 1/27

12:59 am-2:20 pm

1 stop10h 21m

$227

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 1/22

5:30 pm-11:19 pm

1 stop8h 49m

Las Vegas Harry Reid Intl

Sun 1/25

12:59 am-2:20 pm

1 stop10h 21m

$227

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 1/19

3:30 pm-11:19 pm

1 stop10h 49m

Las Vegas Harry Reid Intl

Wed 1/21

12:59 am-2:20 pm

1 stop10h 21m

$228

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 1/29

4:10 pm-9:59 pm

1 stop8h 49m

Las Vegas Harry Reid Intl

Sat 1/31

12:30 am-9:58 am

1 stop6h 28m

$234

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 1/29

3:30 pm-11:19 pm

1 stop10h 49m

Las Vegas Harry Reid Intl

Sun 2/1

12:59 am-2:20 pm

1 stop10h 21m

$235

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 1/23

4:10 pm-9:59 pm

1 stop8h 49m

Las Vegas Harry Reid Intl

Sun 1/25

12:30 am-9:58 am

1 stop6h 28m

$235

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 1/30

2:57 pm-9:51 pm

1 stop9h 54m

Las Vegas Harry Reid Intl

Sat 2/7

12:30 am-9:58 am

1 stop6h 28m

$235

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 1/19

2:57 pm-9:51 pm

1 stop9h 54m

Las Vegas Harry Reid Intl

Tue 1/20

12:59 am-2:20 pm

1 stop10h 21m

$235

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 11/14

3:45 pm-11:15 pm

1 stop10h 30m

Las Vegas Harry Reid Intl

Tue 11/18

11:30 pm-6:42 am

Nonstop4h 12m

$239

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 11/24

3:45 pm-9:35 pm

1 stop8h 50m

Las Vegas Harry Reid Intl

Mon 11/24

12:59 am-2:20 pm

1 stop10h 21m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 $108). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of $171). 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 November 3, 2025.

One of the essential ways to save on airfare from Region of Ontario to Las Vegas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

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 December 16, 2024.

Travelers seeking maximum savings on their Region of Ontario to Las Vegas flight should consider departing on Wednesday evenings 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.

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?

    If you book a flight to Las Vegas from Ontario, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas.

  • How long is the flight from Region of Ontario to Las Vegas?

    Departing from Region of Ontario to Las Vegas will take you 9h 54m. Region of Ontario and Las Vegas are separated by a distance of 1938 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Las Vegas one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $106. However, be on the lookout for offers from Porter Airlines and WestJet, as they are both options that can get you from Region of Ontario to Las Vegas for a low price.

  • 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?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to Las Vegas on time: Air France (100%), Delta (97%), WestJet (95%).

  • What are the cheapest flights from Region of Ontario to Las Vegas?

    The cheapest flight price from Region of Ontario to Las Vegas is $110. On average you can expect to pay $266. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $174.

  • 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 $108). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of $171). 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

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Winchester
Kingman
Sunrise Manor
Primm
Mount Charleston
Mesquite
Needles
Boulder City

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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 7 airlines flying from Ontario to Las Vegas

Discover the top 7 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 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$104Average$315FlexibilityNo cancel feeOn-time67%
WestJetCheapest$136Average$284FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$137Average$273FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$167Average$336FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$179Average$350FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$201Average$266FlexibilityNo cancel feeOn-time71%
DeltaCheapest$279Average$591FlexibilityNo cancel feeOn-timeN/A

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