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$133+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
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 May 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:50 pm
YYZ
-
LAS
1 stop8h 50m
WestJet
Sun 9/138:30 am
LAS
-
YYZ
1 stop8h 35m
WestJet
Deal found 5/2$214
This Super.com deal was found by Cheapflights users on 5/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
YYZ
-
LAS
2 stops12h 35m
WestJet
Sun 9/208:30 am
LAS
-
YYZ
2 stops10h 05m
WestJet
Deal found 5/2$216
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 9/103:50 pm
YYZ
-
LAS
1 stop8h 50m
WestJet
Tue 9/151:20 pm
LAS
-
YYZ
1 stop8h 45m
WestJet
Deal found 5/4$218
This oojo deal was found by Cheapflights users on 5/3. 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 9/86:10 am
YYZ
-
LAS
2 stops14h 05m
WestJet
Tue 9/151:45 pm
LAS
-
YYZ
2 stops12h 25m
WestJet
Deal found 5/3$219
This Justfly.com deal was found by Cheapflights users on 5/4. 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.
Fri 10/210:00 am
YYZ
-
LAS
1 stop10h 15m
WestJet
Tue 10/61:45 pm
LAS
-
YYZ
1 stop8h 20m
WestJet
Deal found 5/4$220
This Justfly.com deal was found by Cheapflights users on 5/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:15 am
YYZ
-
LAS
1 stop9h 40m
WestJet
Mon 10/128:30 am
LAS
-
YYZ
2 stops10h 05m
WestJet
Deal found 5/2$221
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:45 pm
YYZ
-
LAS
Nonstop4h 47m
Porter Airlines
Thu 5/284:30 pm
LAS
-
YYZ
Nonstop4h 24m
Porter Airlines
Deal found 5/2$223
This FlightHub deal was found by Cheapflights users on 5/3. 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 10/212:40 pm
YYZ
-
LAS
2 stops12h 00m
WestJet
Mon 10/56:10 pm
LAS
-
YYZ
1 stop8h 35m
WestJet
Deal found 5/3$224
This Trip.com deal was found by Cheapflights users on 5/3. 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.
Thu 9/106:15 am
YYZ
-
LAS
1 stop9h 40m
WestJet
Thu 9/178:30 am
LAS
-
YYZ
1 stop8h 35m
WestJet
Deal found 5/3$225
This FlightHub deal was found by Cheapflights users on 5/4. 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 9/246:15 am
YYZ
-
LAS
1 stop9h 40m
WestJet
Sun 9/278:30 am
LAS
-
YYZ
2 stops10h 05m
WestJet
Deal found 5/4$226
This FlightHub deal was found by Cheapflights users on 5/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
YYZ
-
LAS
1 stop8h 55m
WestJet
Mon 9/281:20 pm
LAS
-
YYZ
1 stop8h 45m
WestJet
Deal found 5/2$227
This oojo deal was found by Cheapflights users on 5/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:40 pm
YKF
-
LAS
2 stops18h 50m
WestJet
Mon 6/228:30 am
LAS
-
YKF
1 stop8h 20m
WestJet
Deal found 5/2$254

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 May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$214
(Kiwi.com)

One-way from

$133
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$323

Good round-trip deal

$393 or less

Good one-way deal

$197 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 ($14 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 May 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 May 7, 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

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Sun 6/14

8:40 pm-12:30 pm

2 stops18h 50m

Las Vegas Harry Reid Intl

Fri 6/19

8:30 am-7:50 pm

1 stop8h 20m

$265

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 5/24

1:34 pm-8:33 pm

1 stop9h 59m

Las Vegas Harry Reid Intl

Wed 5/27

11:15 pm-8:59 am

1 stop6h 44m

$280

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 6/5

5:16 pm-11:10 pm

1 stop8h 54m

Las Vegas Harry Reid Intl

Mon 6/8

10:00 pm-9:19 am

1 stop8h 19m

$292

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 6/2

2:20 pm-7:43 pm

1 stop8h 23m

Las Vegas Harry Reid Intl

Sat 6/6

9:30 am-11:14 pm

1 stop10h 44m

$296

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 6/2

10:44 am-6:33 pm

1 stop10h 49m

Las Vegas Harry Reid Intl

Tue 6/9

7:00 am-5:07 pm

1 stop7h 07m

$297
Quickest round-trip

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 6/17

10:45 am-5:06 pm

1 stop9h 21m

Las Vegas Harry Reid Intl

Mon 6/22

11:59 pm-9:54 am

1 stop6h 55m

$297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 6/19

11:38 am-7:46 pm

1 stop11h 08m

Las Vegas Harry Reid Intl

Wed 6/24

10:39 am-9:59 pm

1 stop8h 20m

$297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 6/3

6:10 am-12:14 pm

1 stop9h 04m

Las Vegas Harry Reid Intl

Mon 6/8

10:00 pm-9:19 am

1 stop8h 19m

$297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 6/2

1:00 pm-6:33 pm

1 stop8h 33m

Las Vegas Harry Reid Intl

Tue 6/9

8:00 am-10:44 pm

1 stop11h 44m

$297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 6/15

8:45 am-6:33 pm

1 stop12h 48m

Las Vegas Harry Reid Intl

Tue 6/23

11:30 pm-9:54 am

1 stop7h 24m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

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

How far ahead should I book a flight from Region of Ontario to Las Vegas?

The best time to book flights from Region of Ontario to Las Vegas is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $206). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of $326). 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 May 7, 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 44% 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 May 2, 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 May 7, 2026.

The most flights from CAON to LAS are scheduled on a Monday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 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 8h 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 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: WestJet (85%), Porter Airlines (80%), Air Transat (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 $133. On average you can expect to pay $344. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $240.

  • 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 $206). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of $326). 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
North Las Vegas
Henderson
Kingman
Winchester
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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$75Average$365FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$102Average$351FlexibilityNo cancel feeOn-time69%
WestJetCheapest$150Average$294FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$165Average$340FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$207Average$359FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$504FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$247Average$439FlexibilityNo cancel feeOn-time50%

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