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$110+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:00 pmYYZ - LAS
2 stops30h 15mWestJet
Tue 1/67:05 pmLAS - YYZ
1 stop26h 21mWestJet
Deal found 12/17$277
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:34 pmYYZ - LAS
1 stop12h 24mAmerican Airlines
Tue 1/66:00 amLAS - YYZ
1 stop7h 19mAmerican Airlines
Deal found 12/15$296
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 amYYZ - LAS
1 stop16h 44mUnited Airlines
Wed 1/72:30 pmLAS - YYZ
1 stop6h 29mUnited Airlines
Deal found 12/15$299
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 amYYZ - LAS
1 stop14h 54mUnited Airlines
Tue 1/611:53 amLAS - YYZ
2 stops9h 06mUnited Airlines
Deal found 12/15$303
This oojo deal was found by Cheapflights users on 12/17. 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.
Wed 12/245:00 pmYYZ - LAS
2 stops30h 15mWestJet
Thu 1/81:10 pmLAS - YYZ
2 stops13h 48mWestJet
Deal found 12/17$314
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:30 amYYZ - LAS
1 stop16h 45mWestJet
Thu 1/811:20 amLAS - YYZ
1 stop8h 51mWestJet
Deal found 12/17$326
This Air Canada deal was found by Cheapflights users on 12/18. 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 12/233:30 pmYTZ - LAS
1 stop8h 09mAir Canada
Mon 1/129:00 amLAS - YTZ
1 stop9h 35mAir Canada
Deal found 12/18$399
This oojo deal was found by Cheapflights users on 12/17. 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.
Tue 12/304:15 pmYUL - LAS
2 stops23h 04mWestJet
Fri 1/98:00 amLAS - YUL
1 stop20h 05mWestJet
Deal found 12/17$432
This Air Canada deal was found by Cheapflights users on 12/16. 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 12/225:55 pmYUL - LAS
Nonstop5h 44mAir Canada
Tue 1/69:00 amLAS - YUL
Nonstop4h 47mAir Canada
Deal found 12/16$493
This Air Canada deal was found by Cheapflights users on 12/16. 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 12/225:55 pmYUL - LAS
Nonstop5h 44mAir Canada
Wed 1/76:15 amLAS - YUL
1 stop10h 10mAir Canada
Deal found 12/16$498
This Air Canada deal was found by Cheapflights users on 12/18. 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 12/233:30 pmYTZ - LAS
1 stop8h 09mAir Canada
Wed 1/711:30 pmLAS - YTZ
2 stops12h 25mAir Canada
Deal found 12/18$498
This Air Canada deal was found by Cheapflights users on 12/16. 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 12/235:55 pmYUL - LAS
Nonstop5h 44mAir Canada
Tue 1/69:00 amLAS - YUL
Nonstop4h 47mAir Canada
Deal found 12/16$503

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 December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$166
(FlightHub)

One-way from

$110
(Air Canada)

Popular in

December

Cheapest in

January

Average price

$354

Good round-trip deal

$192 or less

Good one-way deal

$187 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. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

Sat 1/17

4:10 pm-8:32 pm

1 stop7h 22m

Las Vegas Harry Reid Intl

Sat 1/17

11:30 pm-9:58 am

1 stop7h 28m

$195

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 1/10

10:00 am-2:59 pm

1 stop7h 59m

Las Vegas Harry Reid Intl

Sat 1/17

2:30 pm-11:59 pm

1 stop6h 29m

$198

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 1/14

10:00 am-7:02 pm

2 stops12h 02m

Las Vegas Harry Reid Intl

Wed 1/21

6:00 am-4:52 pm

1 stop7h 52m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 1/13

9:30 am-6:29 pm

2 stops11h 59m

Las Vegas Harry Reid Intl

Mon 1/19

12:59 am-2:01 pm

2 stops10h 02m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 1/17

5:30 pm-9:59 pm

1 stop7h 29m

Las Vegas Harry Reid Intl

Wed 1/21

11:53 am-11:59 pm

2 stops9h 06m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 1/14

9:30 am-2:51 pm

1 stop8h 21m

Las Vegas Harry Reid Intl

Fri 1/16

11:50 pm-2:14 pm

1 stop11h 24m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 1/18

10:00 am-9:57 pm

1 stop14h 57m

Las Vegas Harry Reid Intl

Thu 1/22

6:00 am-4:52 pm

1 stop7h 52m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 1/31

4:10 pm-8:32 pm

1 stop7h 22m

Las Vegas Harry Reid Intl

Sat 1/31

11:30 pm-9:58 am

1 stop7h 28m

$203

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Fri 1/16

10:30 am-8:39 pm

1 stop13h 09m

Las Vegas Harry Reid Intl

Sun 1/18

9:00 am-9:35 pm

1 stop9h 35m

$205

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 3/27

6:10 am-8:13 pm

1 stop17h 03m

Las Vegas Harry Reid Intl

Sun 3/29

11:35 pm-7:02 pm

1 stop16h 27m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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, January is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $106). 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 December 18, 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.

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 December 18, 2025.

The most flights from CAON to LAS are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

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 7h 22m. 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 WestJet, with whom users have recently found tickets for as low as $90. However, be on the lookout for offers from Air Canada and Air Transat, 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 Canada (85%), Air Canada Rouge (85%), WestJet (85%).

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

    The cheapest flight price from Region of Ontario to Las Vegas is $108. On average you can expect to pay $281. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $135.

  • 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 $106). 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
Kingman
Winchester
Primm
Sunrise Manor
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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$94Average$336FlexibilityNo cancel feeOn-time67%
WestJetCheapest$133Average$275FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$136Average$272FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$167Average$319FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$179Average$349FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$204Average$299FlexibilityNo cancel feeOn-time71%
DeltaCheapest$274Average$542FlexibilityNo cancel feeOn-timeN/A

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