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$109+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:10 amYYZ - LAS
1 stop12h 43mUnited Airlines
Sat 1/1711:53 amLAS - YYZ
2 stops8h 53mUnited Airlines
Deal found 12/13$215
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:10 pmYYZ - LAS
2 stops10h 49mUnited Airlines
Wed 12/1711:55 amLAS - YYZ
2 stops9h 04mUnited Airlines
Deal found 12/13$228
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Mon 12/154:10 pmYYZ - LAS
1 stop7h 36mUnited Airlines
Fri 12/262:26 pmLAS - YYZ
1 stop6h 33mUnited Airlines
Deal found 12/12$258
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/3110:50 pmYYZ - LAS
1 stop13h 09mWestJet
Thu 1/88:00 amLAS - YYZ
2 stops12h 39mWestJet
Deal found 12/14$263
This Air Canada deal was found by Cheapflights users on 12/14. 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.
Wed 12/176:20 amYYZ - LAS
1 stop17h 19mAir Canada
Thu 12/189:10 amLAS - YYZ
1 stop10h 54mAir Canada
Deal found 12/14$271
This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:00 pmYYZ - LAS
1 stop10h 39mAir Canada
Thu 12/189:10 amLAS - YYZ
1 stop10h 54mAir Canada
Deal found 12/13$272
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/164:45 pmYYZ - LAS
1 stop9h 08mMultiple Airlines
Thu 12/1812:40 pmLAS - YYZ
Nonstop4h 15mMultiple Airlines
Deal found 12/14$276
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/164:45 pmYYZ - LAS
1 stop9h 08mMultiple Airlines
Wed 12/177:05 pmLAS - YYZ
1 stop14h 23mMultiple Airlines
Deal found 12/14$301
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Tue 12/232:45 pmYYZ - LAS
1 stop11h 00mUnited Airlines
Mon 1/267:06 pmLAS - YYZ
2 stops16h 08mUnited Airlines
Deal found 12/12$303
This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:30 amYTZ - LAS
1 stop13h 09mAir Canada
Mon 12/229:10 amLAS - YTZ
1 stop7h 45mAir Canada
Deal found 12/13$354
This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:45 amYUL - LAS
2 stops14h 26mWestJet
Wed 12/177:05 pmLAS - YUL
1 stop9h 00mWestJet
Deal found 12/14$407
This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:30 amYTZ - LAS
1 stop15h 09mAir Canada
Sat 12/209:10 amLAS - YTZ
1 stop7h 45mAir Canada
Deal found 12/13$445

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 15, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$165
(oojo)

One-way from

$109
(Kiwi.com)

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 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

Tue 1/6

2:57 pm-9:51 pm

1 stop9h 54m

Las Vegas Harry Reid Intl

Mon 1/12

6:00 am-4:52 pm

1 stop7h 52m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 1/14

2:45 pm-9:59 pm

2 stops10h 14m

Las Vegas Harry Reid Intl

Sat 1/17

6:00 am-4:52 pm

1 stop7h 52m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 1/17

7:30 am-6:29 pm

2 stops13h 59m

Las Vegas Harry Reid Intl

Sat 1/17

11:18 pm-11:48 am

1 stop9h 30m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 1/18

6:10 am-9:59 pm

1 stop18h 49m

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

Tue 1/13

12:45 pm-8:32 pm

2 stops10h 47m

Las Vegas Harry Reid Intl

Sat 1/17

11:53 am-11:46 pm

2 stops8h 53m

$201

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 3/3

2:45 pm-8:22 pm

1 stop8h 37m

Las Vegas Harry Reid Intl

Fri 3/6

11:59 pm-9:58 am

1 stop6h 59m

$205

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 3/10

4:10 pm-11:12 am

2 stops22h 02m

Las Vegas Harry Reid Intl

Sun 3/15

11:59 pm-7:45 pm

1 stop16h 46m

$205

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 3/12

9:00 pm-8:13 am

1 stop14h 13m

Las Vegas Harry Reid Intl

Sat 3/28

10:43 pm-9:19 am

1 stop7h 36m

$205

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 2/19

10:00 am-8:22 pm

1 stop13h 22m

Las Vegas Harry Reid Intl

Tue 2/24

5:20 am-3:02 pm

1 stop6h 42m

$205

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Thu 1/15

10:30 am-8:39 pm

1 stop13h 09m

Las Vegas Harry Reid Intl

Tue 1/20

9:00 am-9:35 pm

1 stop9h 35m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 15, 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 15, 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).

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 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 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: American Airlines (82%), WestJet (82%), Air Canada (80%).

  • 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 $147.

  • 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$97Average$336FlexibilityNo cancel feeOn-time67%
WestJetCheapest$134Average$281FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$136Average$272FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$167Average$319FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$179Average$347FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$197Average$299FlexibilityNo cancel feeOn-time71%
DeltaCheapest$274Average$537FlexibilityNo cancel feeOn-timeN/A

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