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$124+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
May 16 — May 231
Sat 5/16
Sat 5/23
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 April 16, 2026.

This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:00 am
YYZ
-
LAS
1 stop10h 15m
WestJet
Wed 6/106:10 pm
LAS
-
YYZ
1 stop9h 45m
WestJet
Deal found 4/13$180
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/113:50 pm
YYZ
-
LAS
1 stop8h 50m
WestJet
Sun 6/141:20 pm
LAS
-
YYZ
1 stop8h 45m
WestJet
Deal found 4/14$181
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:45 am
YYZ
-
LAS
Nonstop4h 55m
WestJet
Mon 6/84:35 pm
LAS
-
YYZ
1 stop9h 35m
WestJet
Deal found 4/14$182
This oojo deal was found by Cheapflights users on 4/14. 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.
Thu 6/117:00 am
YYZ
-
LAS
2 stops12h 35m
WestJet
Mon 6/158:30 am
LAS
-
YYZ
2 stops10h 05m
WestJet
Deal found 4/14$183
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Fri 6/199:45 am
YYZ
-
LAS
Nonstop4h 55m
WestJet
Mon 6/226:10 pm
LAS
-
YYZ
1 stop8h 35m
WestJet
Deal found 4/14$185
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:00 am
YYZ
-
LAS
1 stop8h 55m
WestJet
Wed 6/101:45 pm
LAS
-
YYZ
1 stop8h 20m
WestJet
Deal found 4/14$186
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 6/107:00 am
YYZ
-
LAS
2 stops11h 45m
WestJet
Mon 6/151:45 pm
LAS
-
YYZ
1 stop8h 20m
WestJet
Deal found 4/14$187
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 6/107:00 am
YYZ
-
LAS
1 stop8h 55m
WestJet
Sun 6/141:20 pm
LAS
-
YYZ
1 stop8h 45m
WestJet
Deal found 4/14$189
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:50 am
YYZ
-
LAS
1 stop9h 25m
WestJet
Mon 6/88:30 am
LAS
-
YYZ
2 stops10h 05m
WestJet
Deal found 4/15$190
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Fri 6/129:45 am
YYZ
-
LAS
Nonstop4h 55m
WestJet
Mon 6/1512:35 pm
LAS
-
YYZ
Nonstop4h 25m
WestJet
Deal found 4/14$191
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 am
YUL
-
LAS
2 stops13h 30m
WestJet
Tue 5/121:20 pm
LAS
-
YUL
2 stops14h 45m
WestJet
Deal found 4/15$242
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:45 am
YUL
-
LAS
1 stop7h 55m
WestJet
Mon 6/156:10 pm
LAS
-
YUL
1 stop9h 55m
WestJet
Deal found 4/15$243

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 April 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Trip.com)

One-way from

$124
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$239

Good round-trip deal

$293 or less

Good one-way deal

$172 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. 4% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 16, 2026.
Use the filters below to find and compare flights from Ontario to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 6/9

5:15 pm-9:54 pm

1 stop7h 39m

Las Vegas Harry Reid Intl

Thu 6/11

12:36 am-9:54 am

1 stop6h 18m

$246

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 6/7

6:10 am-9:23 pm

1 stop18h 13m

Las Vegas Harry Reid Intl

Tue 6/9

12:36 am-9:54 am

1 stop6h 18m

$263

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 6/8

6:10 am-7:57 pm

1 stop16h 47m

Las Vegas Harry Reid Intl

Thu 6/11

7:03 pm-9:54 am

1 stop11h 51m

$263

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 6/12

5:45 pm-11:45 pm

1 stop9h 00m

Las Vegas Harry Reid Intl

Tue 6/16

11:10 pm-8:55 am

1 stop6h 45m

$276

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 6/14

6:14 pm-10:00 pm

1 stop6h 46m

Las Vegas Harry Reid Intl

Tue 6/16

8:15 am-9:59 pm

1 stop10h 44m

$276

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 5/5

11:00 am-8:48 pm

2 stops12h 48m

Las Vegas Harry Reid Intl

Fri 5/8

11:52 pm-11:43 am

1 stop8h 51m

$276

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 5/7

1:00 pm-12:19 am

2 stops14h 19m

Las Vegas Harry Reid Intl

Sat 5/9

11:59 pm-11:49 am

1 stop8h 50m

$276

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 5/1

5:20 pm-10:02 pm

1 stop7h 42m

Las Vegas Harry Reid Intl

Tue 5/5

11:56 am-9:32 pm

1 stop6h 36m

$276

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 6/4

5:45 pm-11:43 pm

1 stop8h 58m

Las Vegas Harry Reid Intl

Mon 6/8

1:21 pm-11:58 pm

1 stop7h 37m

$278

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 5/29

5:15 pm-11:53 pm

1 stop9h 38m

Las Vegas Harry Reid Intl

Tue 6/2

11:30 pm-9:54 am

1 stop7h 24m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $112). 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 April 16, 2026.

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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% 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 April 11, 2026.

Travelers seeking maximum savings on their Region of Ontario to Las Vegas flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday 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 April 16, 2026.

The most flights from CAON to LAS are scheduled on a Thursday (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 7h 39m. 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 Transat, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from WestJet and Air Canada, 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 (62%), WestJet (62%), Delta (62%).

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

    The cheapest flight price from Region of Ontario to Las Vegas is $130. On average you can expect to pay $314. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $191.

  • 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, November is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $112). 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
Mesquite
Henderson
North Las Vegas
Winchester
Kingman
Boulder City
Needles
Sunrise Manor

Browse thousands of different options on Cheapflights for your next trip

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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 April 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$75Average$350FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$102Average$328FlexibilityNo cancel feeOn-time69%
WestJetCheapest$149Average$292FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$156Average$324FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$204Average$296FlexibilityNo cancel feeOn-time71%
Air TransatCheapest$213Average$442FlexibilityNo cancel feeOn-time50%
DeltaCheapest$228Average$504FlexibilityNo cancel feeOn-timeN/A

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