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$101+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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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 abril 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$156
(Kiwi.com)

One-way from

$102
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$251

Good round-trip deal

$183 or less

Good one-way deal

$113 or less
Provider with most accurate pricing for Toronto (YTO)-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Las Vegas Harry Reid Intl flights.
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From Ontario to Las Vegas Harry Reid Intl
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One-way flight from Ontario to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Ontario to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Ontario to Las Vegas Harry Reid Intl.
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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 abril 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
mar. 6/312:00 pmYYZ - LAS
1 stop10h 38mWestJet
mié. 6/116:20 pmLAS - YYZ
1 stop9h 32mWestJet
Deal found 4/28$156
This Trip.com deal was found by Cheapflights users on 4/28. 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.
mié. 5/217:00 amYYZ - LAS
Nonstop4h 53mPorter Airlines
mié. 5/289:55 amLAS - YYZ
Nonstop4h 25mPorter Airlines
Deal found 4/28$161
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
vie. 5/306:55 amYYZ - LAS
1 stop7h 30mMultiple Airlines
mar. 6/31:25 pmLAS - YYZ
2 stops13h 26mMultiple Airlines
Deal found 4/28$164
This Kissandfly.com deal was found by Cheapflights users on 4/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/196:00 amYKF - LAS
1 stop9h 55mWestJet
sáb. 5/2411:30 amLAS - YKF
1 stop10h 16mWestJet
Deal found 4/28$182
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/195:00 pmYYZ - LAS
1 stop8h 19mAir Canada
mié. 5/2811:30 amLAS - YYZ
1 stop8h 44mAir Canada
Deal found 4/28$183
This Trip.com deal was found by Cheapflights users on 4/28. 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.
dom. 5/186:00 amYHM - LAS
1 stop9h 55mWestJet
sáb. 5/2411:30 amLAS - YHM
1 stop10h 11mWestJet
Deal found 4/28$187
This Trip.com deal was found by Cheapflights users on 4/29. 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.
mié. 5/217:00 amYTZ - LAS
1 stop7h 25mPorter Airlines
dom. 5/2512:20 pmLAS - YTZ
1 stop7h 02mPorter Airlines
Deal found 4/29$189
This Air Canada deal was found by Cheapflights users on 4/29. 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.
mar. 10/73:25 pmYTZ - LAS
1 stop9h 47mAir Canada
mar. 10/2111:15 pmLAS - YTZ
1 stop9h 30mAir Canada
Deal found 4/29$207
This Trip.com deal was found by Cheapflights users on 4/28. 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.
mié. 5/213:45 pmYOW - LAS
1 stop8h 45mWestJet
sáb. 5/246:20 pmLAS - YOW
1 stop9h 25mWestJet
Deal found 4/28$213
This United Airlines deal was found by Cheapflights users on 4/28. 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.
mié. 5/216:30 amYYZ - LAS
2 stops11h 01mUnited Airlines
mié. 5/287:00 amLAS - YYZ
1 stop6h 42mUnited Airlines
Deal found 4/28$213
This Trip.com deal was found by Cheapflights users on 4/28. 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.
dom. 6/14:40 pmYOW - LAS
1 stop8h 18mPorter Airlines
mié. 6/412:20 pmLAS - YOW
Nonstop4h 35mPorter Airlines
Deal found 4/28$226
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/125:20 pmYYZ - LAS
1 stop7h 40mAmerican Airlines
sáb. 5/175:03 amLAS - YYZ
1 stop8h 22mAmerican Airlines
Deal found 4/28$230

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 abril 29, 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

mar. 6/3

12:00 pm-7:38 pm

1 stop10h 38m

Las Vegas Harry Reid Intl

mié. 6/11

6:20 pm-6:52 am

1 stop9h 32m

$156

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

mié. 5/21

7:00 am-8:53 am

Nonstop4h 53m

Las Vegas Harry Reid Intl

mié. 5/28

9:55 am-5:20 pm

Nonstop4h 25m

$161

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

vie. 5/30

6:55 am-11:25 am

1 stop7h 30m

Las Vegas Harry Reid Intl

mar. 6/3

1:25 pm-5:51 am

2 stops13h 26m

$164

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

lun. 5/19

6:00 am-12:55 pm

1 stop9h 55m

Las Vegas Harry Reid Intl

sáb. 5/24

11:30 am-12:46 am

1 stop10h 16m

$182

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

lun. 5/19

5:00 pm-10:19 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

mié. 5/28

11:30 am-11:14 pm

1 stop8h 44m

$183

HamiltonLas Vegas

YHM - LAS

YHMLAS

Hamilton

dom. 5/18

6:00 am-12:55 pm

1 stop9h 55m

Las Vegas Harry Reid Intl

sáb. 5/24

11:30 am-12:41 am

1 stop10h 11m

$187

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

mié. 5/21

7:00 am-11:25 am

1 stop7h 25m

Las Vegas Harry Reid Intl

dom. 5/25

12:20 pm-10:22 pm

1 stop7h 02m

$189

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

mar. 10/7

3:25 pm-10:12 pm

1 stop9h 47m

Las Vegas Harry Reid Intl

mar. 10/21

11:15 pm-11:45 am

1 stop9h 30m

$207

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

mié. 5/21

6:30 am-12:33 pm

1 stop9h 03m

Las Vegas Harry Reid Intl

mar. 5/27

11:47 pm-10:04 am

1 stop7h 17m

$213

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

mié. 5/21

3:45 pm-9:30 pm

1 stop8h 45m

Las Vegas Harry Reid Intl

sáb. 5/24

6:20 pm-6:45 am

1 stop9h 25m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 59 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, August is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $198). Flying from Region of Ontario to Las Vegas in March is currently the most expensive (average of $269). 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 abril 29, 2025.

When flying from Region of Ontario to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 abril 29, 2025.
See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from Ontario to Las Vegas have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $102. However, be on the lookout for offers from Porter Airlines 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 Canada Rouge (76%), Air France (75%), Delta (75%).

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

    The cheapest flight price from Region of Ontario to Las Vegas is $93. On average you can expect to pay $201. 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, August is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $198). Flying from Region of Ontario to Las Vegas in March is currently the most expensive (average of $269). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Primm
Mount Charleston
Kingman
Mesquite
Pahrump
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 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 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapest$101Average$189FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$115Average$286FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$127Average$353FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$133Average$290FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$155Average$351FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$167Average$351FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$201Average$299FlexibilityNo cancel feeOn-time71%
DeltaCheapest$285Average$526FlexibilityNo cancel feeOn-timeN/A

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