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Cheap flights from Ontario to Las Vegas from C$ 138

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
8 Jul — 15 Jul1
1 adult

Cheap 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 3 July 2025.

Round-trip from

C$ 225

One-way from

C$ 142

Popular in

December

Cheapest in

January

Average price

C$ 395

Good round-trip deal

C$ 310 or less

Good one-way deal

C$ 178 or less
WestJet
  • WestJet
  • 11/9-15/9
  • 4 total stops
  • 23h 41m total
  • Ontario to Las Vegas
WestJet
  • WestJet
  • 18/9
  • 2 total stops
  • 12h 01m total
  • Ontario to Las Vegas
Highest demand for flights based on searches. 0% potential increase in price (C$ 1 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Ontario to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from Ontario to Las Vegas Harry Reid Intl.

Find 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 3 July 2025.

Thu 11/96:00 a.m.YHM - LAS
2 stops12h 01mWestJet
Mon 15/910:00 a.m.LAS - YHM
2 stops11h 40mWestJet
Deal found 2/7C$ 225
Sat 18/103:25 p.m.YTZ - LAS
1 stop9h 57mAir Canada
Wed 22/1011:15 p.m.LAS - YTZ
1 stop9h 30mAir Canada
Deal found 2/7C$ 273
Fri 18/79:00 a.m.YYZ - LAS
2 stops14h 21mWestJet
Mon 21/79:10 p.m.LAS - YYZ
2 stops20h 44mWestJet
Deal found 2/7C$ 273
Tue 5/87:45 p.m.YKF - LAS
2 stops19h 48mWestJet
Mon 18/810:05 a.m.LAS - YKF
2 stops11h 41mWestJet
Deal found 3/7C$ 274
Wed 3/97:00 a.m.YYZ - LAS
3 stops16h 37mUnited Airlines
Wed 3/911:50 p.m.LAS - YYZ
1 stop8h 54mUnited Airlines
Deal found 2/7C$ 282
Fri 11/77:00 a.m.YYZ - LAS
Nonstop4h 50mAir Transat
Sat 19/710:55 p.m.LAS - YYZ
Nonstop4h 25mAir Transat
Deal found 1/7C$ 283
Sun 20/78:05 p.m.YYZ - LAS
Nonstop4h 50mPorter Airlines
Mon 28/710:55 p.m.LAS - YYZ
Nonstop4h 25mPorter Airlines
Deal found 2/7C$ 285
Wed 10/912:30 a.m.YYZ - LAS
1 stop13h 07mAir Canada
Mon 15/911:20 p.m.LAS - YYZ
Nonstop4h 20mAir Canada
Deal found 2/7C$ 293
Tue 5/88:05 p.m.YYZ - LAS
Nonstop4h 50mMultiple Airlines
Fri 8/86:20 p.m.LAS - YYZ
1 stop8h 52mMultiple Airlines
Deal found 1/7C$ 297
Fri 1/86:24 p.m.YYZ - LAS
1 stop7h 39mAmerican Airlines
Sun 3/812:59 a.m.LAS - YYZ
1 stop12h 30mAmerican Airlines
Deal found 3/7C$ 320
Tue 9/912:20 p.m.YOW - LAS
2 stops11h 01mWestJet
Fri 12/912:35 p.m.LAS - YOW
1 stop8h 47mWestJet
Deal found 2/7C$ 333
Wed 13/85:05 p.m.YOW - LAS
1 stop7h 50mPorter Airlines
Sun 17/810:55 p.m.LAS - YOW
1 stop8h 26mPorter Airlines
Deal found 1/7C$ 353

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 629,999 searches. Data last updated 3 July 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

HamiltonLas Vegas

YHM - LAS

YHMLAS

Hamilton

Sun 21/9

6:00 a.m.-3:01 p.m.

2 stops12h 01m

Las Vegas Harry Reid Intl

Thu 25/9

10:00 a.m.-12:40 a.m.

2 stops11h 40m

C$ 225

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 14/8

10:25 p.m.-9:30 p.m.

1 stop26h 05m

Las Vegas Harry Reid Intl

Mon 18/8

12:35 p.m.-7:59 p.m.

Nonstop4h 24m

C$ 271

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Tue 7/10

3:25 p.m.-10:22 p.m.

1 stop9h 57m

Las Vegas Harry Reid Intl

Tue 21/10

11:15 p.m.-11:45 a.m.

1 stop9h 30m

C$ 273

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 5/8

7:45 p.m.-12:33 p.m.

2 stops19h 48m

Las Vegas Harry Reid Intl

Mon 18/8

10:05 a.m.-12:46 a.m.

2 stops11h 41m

C$ 274

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 26/7

8:05 p.m.-9:55 p.m.

Nonstop4h 50m

Las Vegas Harry Reid Intl

Sun 27/7

8:00 a.m.-12:33 a.m.

2 stops13h 33m

C$ 281

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 18/10

4:00 p.m.-10:22 p.m.

1 stop9h 22m

Las Vegas Harry Reid Intl

Mon 20/10

11:20 p.m.-6:40 a.m.

Nonstop4h 20m

C$ 282

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 20/7

8:05 p.m.-9:55 p.m.

Nonstop4h 50m

Las Vegas Harry Reid Intl

Mon 28/7

10:55 p.m.-6:20 a.m.

Nonstop4h 25m

C$ 285

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 23/9

9:00 a.m.-2:38 p.m.

2 stops8h 38m

Las Vegas Harry Reid Intl

Mon 29/9

12:59 a.m.-2:30 p.m.

1 stop10h 31m

C$ 289

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 2/8

5:15 p.m.-9:47 p.m.

1 stop7h 32m

Las Vegas Harry Reid Intl

Fri 8/8

12:59 a.m.-3:36 p.m.

1 stop11h 37m

C$ 320

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 9/9

12:20 p.m.-8:21 p.m.

2 stops11h 01m

Las Vegas Harry Reid Intl

Fri 12/9

12:35 p.m.-12:22 a.m.

1 stop8h 47m

C$ 333

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

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 C$ 212). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 311). 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 3 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Las Vegas as you normally would.

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 3 July 2025.

The most flights from CAON to LAS are scheduled on a Thursday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 3 July 2025.
Read reviews from past customers who have flown Porter Airlines,Delta, andAir Transat from Ontario to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
8.0
Very good

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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?

    Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Ontario. Harry Reid Intl is conveniently located just 10.0 km from Las Vegas’s city centre.

  • What are the cheapest airlines to fly from Region of Ontario to Las Vegas one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 142. Users have also found prices from C$ 166 and C$ 168 on Porter Airlines and Air Transat, respectively.

  • What are the most popular routes from Region of Ontario to Las Vegas?

  • What are the most reliable airlines from Region of Ontario to Las Vegas?

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Las Vegas consider choosing Delta (87%), WestJet (87%) or Porter Airlines (70%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Region of Ontario to Las Vegas is C$ 159. On average you can expect to pay C$ 801. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 213.

  • 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 C$ 212). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 311). 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

Travelling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Henderson
Boulder City
North Las Vegas
Paradise

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 8 airlines flying from Ontario to Las Vegas

Discover the top 8 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 629,999 searches. Data last updated 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 164AverageC$ 360FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 180AverageC$ 381FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 184AverageC$ 367FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 189AverageC$ 472FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 199AverageC$ 494FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 234AverageC$ 445FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 280AverageC$ 678FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
DeltaCheapestC$ 284AverageC$ 496FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Las Vegas?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Las Vegas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Las Vegas?

Cheapflights helps you find that perfect flight to Las Vegas from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Las Vegas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Las Vegas, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Las Vegas become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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