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$165+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
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 July 7, 2026.

This oojo deal was found by Cheapflights users on 7/2. 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 9/301:20 pm
YOW
-
LAS
1 stop11h 20m
WestJet
Sun 10/44:30 pm
LAS
-
YOW
1 stop10h 05m
WestJet
Deal found 7/2$267
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Sun 9/207:20 am
YOW
-
LAS
2 stops11h 25m
WestJet
Fri 9/256:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 7/3$272
This oojo deal was found by Cheapflights users on 7/3. 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.
Sat 9/2612:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Wed 9/306:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 7/3$274
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/28:50 am
YYZ
-
LAS
1 stop7h 17m
United Airlines
Sat 9/510:50 am
LAS
-
YYZ
1 stop6h 54m
United Airlines
Deal found 7/7$278
This oojo deal was found by Cheapflights users on 7/3. 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.
Fri 11/65:40 am
YOW
-
LAS
2 stops16h 35m
WestJet
Tue 11/108:00 am
LAS
-
YOW
2 stops13h 42m
WestJet
Deal found 7/3$279
This oojo deal was found by Cheapflights users on 7/7. 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 9/88:00 am
YYZ
-
LAS
2 stops12h 15m
WestJet
Fri 9/184:15 pm
LAS
-
YYZ
2 stops11h 40m
WestJet
Deal found 7/7$279
This oojo deal was found by Cheapflights users on 7/3. 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.
Fri 10/1612:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Fri 10/308:00 am
LAS
-
YOW
2 stops13h 42m
WestJet
Deal found 7/3$280
This FlightHub deal was found by Cheapflights users on 7/7. 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 10/166:10 am
YYZ
-
LAS
2 stops12h 20m
WestJet
Tue 10/201:45 pm
LAS
-
YYZ
2 stops12h 25m
WestJet
Deal found 7/7$280
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Sat 10/1712:40 pm
YYZ
-
LAS
2 stops12h 00m
WestJet
Wed 10/211:45 pm
LAS
-
YYZ
2 stops12h 25m
WestJet
Deal found 7/3$281
This Delta deal was found by Cheapflights users on 7/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:26 pm
YYZ
-
LAS
1 stop9h 53m
Delta
Thu 10/291:17 pm
LAS
-
YYZ
1 stop6h 58m
Delta
Deal found 7/5$282
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Sat 10/101:20 pm
YOW
-
LAS
1 stop11h 20m
WestJet
Sat 10/246:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 7/3$283
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:35 pm
YYZ
-
LAS
Nonstop4h 47m
Air Canada
Sat 9/1911:25 pm
LAS
-
YYZ
1 stop10h 08m
Air Canada
Deal found 7/3$283

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 July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(oojo)

One-way from

$165
(oojo)

Popular in

July

Cheapest in

January

Average price

$427

Good round-trip deal

$323 or less

Good one-way deal

$175 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. 19% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 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

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 8/28

4:18 pm-8:51 pm

1 stop7h 33m

Las Vegas Harry Reid Intl

Fri 9/18

11:50 pm-9:54 am

1 stop7h 04m

$283

HamiltonLas Vegas

YHM - LAS

YHMLAS

Hamilton

Fri 9/4

6:10 pm-9:40 pm

1 stop30h 30m

Las Vegas Harry Reid Intl

Sun 9/6

4:30 pm-5:15 pm

1 stop21h 45m

$291

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 9/13

6:15 am-12:37 pm

1 stop9h 22m

Las Vegas Harry Reid Intl

Fri 9/18

1:42 pm-11:13 pm

1 stop6h 31m

$291

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 8/29

11:00 am-8:04 pm

2 stops12h 04m

Las Vegas Harry Reid Intl

Wed 9/2

1:23 pm-11:54 pm

1 stop7h 31m

$295

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 8/8

8:50 am-2:45 pm

1 stop8h 55m

Las Vegas Harry Reid Intl

Sat 8/15

5:20 am-3:16 pm

1 stop6h 56m

$295

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 9/19

1:00 pm-6:54 pm

1 stop8h 54m

Las Vegas Harry Reid Intl

Tue 9/22

11:43 am-12:13 am

2 stops9h 30m

$297

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 9/8

2:45 pm-6:54 pm

1 stop7h 09m

Las Vegas Harry Reid Intl

Fri 9/18

11:50 pm-9:54 am

1 stop7h 04m

$297

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 8/11

8:40 pm-12:30 pm

2 stops18h 50m

Las Vegas Harry Reid Intl

Sat 8/15

8:30 am-7:50 pm

1 stop8h 20m

$301

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 8/13

8:40 pm-12:30 pm

2 stops18h 50m

Las Vegas Harry Reid Intl

Sat 8/15

8:30 am-7:50 pm

1 stop8h 20m

$305

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Mon 8/17

8:40 pm-12:55 pm

1 stop19h 15m

Las Vegas Harry Reid Intl

Sat 8/22

8:30 am-7:50 pm

1 stop8h 20m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

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 $205). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of $393). 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 July 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 in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 52% on airfare.

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 July 7, 2026.

The most flights from CAON to LAS are scheduled on a Tuesday (8 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?

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 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 July 4, 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.

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 33m. 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 $96. However, be on the lookout for offers from Air Transat and Porter 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%), Air Canada (72%).

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

    The cheapest flight price from Region of Ontario to Las Vegas is $164. On average you can expect to pay $322. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $224.

  • 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 $205). Flying from Region of Ontario to Las Vegas in July is currently the most expensive (average of $393). 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
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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$77Average$379FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$102Average$376FlexibilityNo cancel feeOn-time69%
WestJetCheapest$151Average$302FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$166Average$366FlexibilityNo cancel feeOn-time52%
DeltaCheapest$187Average$457FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$207Average$410FlexibilityNo cancel feeOn-time71%
Air TransatCheapest$251Average$424FlexibilityNo cancel feeOn-time50%

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