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$103+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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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 septembre 15, 2025.

Round-trip from

$177
(FlightHub)

One-way from

$103
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$266

Good round-trip deal

$196 or less

Good one-way deal

$124 or less
From Ontario to Las Vegas Harry Reid Intl
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One-way flight from Ontario to Las Vegas Harry Reid Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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

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 septembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
dim. 9/2810:25 pmYYZ - LAS
1 stop24h 56mWestJet
mer. 10/18:00 amLAS - YYZ
1 stop9h 52mWestJet
Deal found 9/14$177
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
sam. 11/157:55 pmYYZ - LAS
Nonstop5h 07mPorter Airlines
lun. 11/1711:05 pmLAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 9/13$178
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/11:30 pmYYZ - LAS
1 stop11h 01mWestJet
dim. 12/79:15 pmLAS - YYZ
1 stop24h 23mWestJet
Deal found 9/14$179
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/1512:00 pmYYZ - LAS
2 stops11h 21mWestJet
sam. 10/181:25 pmLAS - YYZ
2 stops14h 27mWestJet
Deal found 9/13$180
This oojo deal was found by Cheapflights users on 9/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/36:30 pmYYZ - LAS
1 stop28h 51mWestJet
ven. 10/108:00 amLAS - YYZ
2 stops13h 31mWestJet
Deal found 9/13$181
This Air Canada deal was found by Cheapflights users on 9/12. 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.
mar. 10/148:30 pmYYZ - LAS
Nonstop4h 43mAir Canada
mer. 10/1511:15 pmLAS - YYZ
1 stop8h 24mAir Canada
Deal found 9/12$182
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/157:55 pmYYZ - LAS
Nonstop5h 07mPorter Airlines
mer. 11/1912:40 pmLAS - YYZ
Nonstop4h 15mPorter Airlines
Deal found 9/14$183
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/19:40 amYYZ - LAS
2 stops13h 35mWestJet
sam. 12/68:00 amLAS - YYZ
1 stop8h 36mWestJet
Deal found 9/15$184
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/2812:30 pmYYZ - LAS
1 stop9h 09mWestJet
lun. 12/18:00 amLAS - YYZ
2 stops12h 38mWestJet
Deal found 9/14$185
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
dim. 9/2110:20 pmYYZ - LAS
1 stop13h 48mWestJet
jeu. 10/28:00 amLAS - YYZ
1 stop9h 52mWestJet
Deal found 9/14$186
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/1110:15 amYYZ - LAS
1 stop13h 12mUnited Airlines
mar. 10/147:35 amLAS - YYZ
1 stop12h 13mUnited Airlines
Deal found 9/12$187
This Air Canada deal was found by Cheapflights users on 9/14. 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.
mer. 10/2212:25 pmYTZ - LAS
1 stop12h 57mAir Canada
jeu. 10/2311:15 pmLAS - YTZ
1 stop9h 30mAir Canada
Deal found 9/14$188

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 septembre 15, 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

lun. 9/29

6:30 am-6:37 pm

1 stop15h 07m

Las Vegas Harry Reid Intl

lun. 9/29

10:30 pm-11:44 am

1 stop10h 14m

$182

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

sam. 10/11

10:15 am-8:27 pm

1 stop13h 12m

Las Vegas Harry Reid Intl

mar. 10/14

7:35 am-10:48 pm

1 stop12h 13m

$187

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

dim. 9/28

6:30 am-10:45 pm

1 stop19h 15m

Las Vegas Harry Reid Intl

lun. 9/29

11:45 pm-11:44 am

1 stop8h 59m

$188

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

ven. 10/17

9:00 pm-9:36 am

1 stop15h 36m

Las Vegas Harry Reid Intl

mer. 10/22

7:05 pm-10:04 am

2 stops11h 59m

$188

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

mar. 9/30

7:00 pm-12:45 am

1 stop8h 45m

Las Vegas Harry Reid Intl

ven. 10/3

12:59 am-2:30 pm

1 stop10h 31m

$188

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

sam. 10/11

10:15 am-12:15 am

2 stops17h 00m

Las Vegas Harry Reid Intl

sam. 10/18

7:45 am-8:44 pm

2 stops9h 59m

$188

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

mer. 10/15

10:15 am-5:16 pm

1 stop10h 01m

Las Vegas Harry Reid Intl

ven. 10/17

12:59 am-2:30 pm

1 stop10h 31m

$188

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

sam. 9/27

6:30 am-8:52 pm

1 stop17h 22m

Las Vegas Harry Reid Intl

sam. 10/4

7:00 am-8:44 pm

1 stop10h 44m

$188

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

ven. 10/17

9:00 pm-9:36 am

1 stop15h 36m

Las Vegas Harry Reid Intl

sam. 10/18

7:05 pm-10:04 am

2 stops11h 59m

$188

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

mar. 10/21

1:00 pm-6:13 pm

1 stop8h 13m

Las Vegas Harry Reid Intl

ven. 10/24

12:59 am-2:30 pm

1 stop10h 31m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, August is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $198). Flying from Region of Ontario to Las Vegas in March is currently the most expensive (average of $269). 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 septembre 15, 2025.

When flying from Region of Ontario to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septembre 15, 2025.

The most flights from CAON to LAS are scheduled on a Monday (7 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?

    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 10h 31m. Region of Ontario and Las Vegas are separated by a distance of 1949 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 WestJet, with whom users have recently found tickets for as low as $103. However, be on the lookout for offers from Air Canada and United Airlines, 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: Delta (89%), WestJet (89%), Porter Airlines (68%).

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

    The cheapest flight price from Region of Ontario to Las Vegas is $107. On average you can expect to pay $230. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $136.

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $198). Flying from Region of Ontario to Las Vegas in March is currently the most expensive (average of $269). 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
Sunrise Manor
Winchester
Kingman
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 septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$108Average$368FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$127Average$336FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$137Average$280FlexibilityNo cancel feeOn-time52%
WestJetCheapest$137Average$278FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$177Average$344FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$201Average$254FlexibilityNo cancel feeOn-time71%
DeltaCheapest$285Average$567FlexibilityNo cancel feeOn-timeN/A

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