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$59+ Cheap flights from Las Vegas (LAS) to Ontario

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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Cheap flight deals from Las Vegas to Ontario

Keep the following information in mind while searching for Las Vegas to Ontario flight deals. Data was last updated March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Kiwi.com)

One-way from

$59
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$294

Good round-trip deal

$289 or less

Good one-way deal

$79 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Toronto (YTO) flights.
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From Las Vegas Harry Reid Intl to Ontario
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One-way flight from Las Vegas Harry Reid Intl to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Ontario.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Ontario.
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Find flight deals from Las Vegas to Ontario

Cheapest flights from Las Vegas to Ontario
Explore the most affordable flight options available from Las Vegas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Tue 4/1511:25 pmLAS - YYZ
Nonstop4h 18mWestJet
Tue 4/228:00 pmYYZ - LAS
Nonstop5h 13mWestJet
Deal found 3/2$117
This Mytrip deal was found by Cheapflights users on 3/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1511:25 pmLAS - YYZ
Nonstop4h 18mMultiple Airlines
Tue 4/227:25 pmYYZ - LAS
Nonstop5h 03mMultiple Airlines
Deal found 3/2$120
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 3/209:00 amLAS - YYZ
Nonstop4h 17mPorter Airlines
Sun 3/237:25 pmYYZ - LAS
Nonstop5h 05mPorter Airlines
Deal found 3/1$132
This Trip.com deal was found by Cheapflights users on 3/3. 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.
Wed 4/29:10 amLAS - YTZ
1 stop6h 43mPorter Airlines
Wed 4/94:10 pmYTZ - LAS
1 stop7h 30mPorter Airlines
Deal found 3/3$137
This Trip.com deal was found by Cheapflights users on 3/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/269:10 amLAS - YOW
Nonstop4h 35mPorter Airlines
Sun 3/306:10 pmYOW - LAS
Nonstop5h 30mPorter Airlines
Deal found 3/2$166
This Justfly.com deal was found by Cheapflights users on 3/2. 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.
Wed 3/261:41 pmLAS - YYZ
1 stop7h 41mAir Canada
Tue 4/12:50 pmYYZ - LAS
1 stop7h 19mAir Canada
Deal found 3/2$169
This Air Canada deal was found by Cheapflights users on 3/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:00 amLAS - YTZ
1 stop9h 50mAir Canada
Tue 4/153:25 pmYTZ - LAS
1 stop9h 12mAir Canada
Deal found 3/2$177
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:30 amLAS - YYZ
1 stop8h 14mUnited Airlines
Wed 4/910:15 amYYZ - LAS
1 stop9h 59mUnited Airlines
Deal found 3/3$180
This Priceline deal was found by Cheapflights users on 3/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/269:10 amLAS - YOW
Nonstop4h 35mMultiple Airlines
Sun 3/306:10 pmYOW - LAS
Nonstop5h 30mMultiple Airlines
Deal found 3/3$181
This Trip.com deal was found by Cheapflights users on 3/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:35 pmLAS - YUL
1 stop7h 25mPorter Airlines
Tue 4/82:35 pmYUL - LAS
1 stop9h 53mPorter Airlines
Deal found 3/2$187
This Booking.com deal was found by Cheapflights users on 3/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/169:10 amLAS - YTZ
1 stop6h 43mMultiple Airlines
Wed 4/2312:25 pmYTZ - LAS
2 stops14h 34mMultiple Airlines
Deal found 3/1$197
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1810:35 pmLAS - YUL
1 stop7h 25mMultiple Airlines
Sun 4/276:45 amYUL - LAS
2 stops16h 38mMultiple Airlines
Deal found 3/3$198

Find flights from Las Vegas to Ontario within your budget

Customize your flight search to find flights from Las Vegas to Ontario 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 March 3, 2025.

Fly from

Las Vegas

Fly to

Ontario

Route

Depart

Return

Price

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 4/15

11:25 pm-6:43 am

Nonstop4h 18m

Toronto Pearson Intl

Tue 4/22

8:00 pm-10:13 pm

Nonstop5h 13m

$117

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 4/15

11:25 pm-6:43 am

Nonstop4h 18m

Toronto Pearson Intl

Tue 4/22

7:25 pm-9:28 pm

Nonstop5h 03m

$120

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 3/20

9:00 am-4:17 pm

Nonstop4h 17m

Toronto Pearson Intl

Sun 3/23

7:25 pm-9:30 pm

Nonstop5h 05m

$132

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Wed 4/2

9:10 am-6:53 pm

1 stop6h 43m

Toronto Island

Wed 4/9

4:10 pm-8:40 pm

1 stop7h 30m

$137

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 3/26

9:10 am-4:45 pm

Nonstop4h 35m

Ottawa

Sun 3/30

6:10 pm-8:40 pm

Nonstop5h 30m

$166

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 3/26

1:41 pm-12:22 am

1 stop7h 41m

Toronto Pearson Intl

Tue 4/1

2:50 pm-7:09 pm

1 stop7h 19m

$169

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Tue 4/1

7:00 am-7:50 pm

1 stop9h 50m

Toronto Island

Tue 4/15

3:25 pm-9:37 pm

1 stop9h 12m

$177

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 4/1

12:30 am-11:44 am

1 stop8h 14m

Toronto Pearson Intl

Wed 4/9

10:15 am-5:14 pm

1 stop9h 59m

$180

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 3/26

9:10 am-4:45 pm

Nonstop4h 35m

Ottawa

Sun 3/30

6:10 pm-8:40 pm

Nonstop5h 30m

$181

Las VegasMontreal

LAS - YUL

LASYUL

Las Vegas Harry Reid Intl

Tue 4/1

10:35 pm-9:00 am

1 stop7h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

2:35 pm-9:28 pm

1 stop9h 53m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 57 results
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Best time to book a flight from Las Vegas to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Las Vegas 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.

Travel insights for flights from Las Vegas to Ontario

Get recent, data-driven insights about flights from Las Vegas to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Las Vegas to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of $243). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of $359). 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 LAS to ON?

Find hourly flight availability from Las Vegas to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2025.

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

Weekly flight availability from Las Vegas to Region of Ontario

Explore weekly flight availability from Las Vegas to Ontario. 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 March 3, 2025.

The most flights from LAS to CAON are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated March 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Porter Airlines from Las Vegas to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,713 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,070 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Porter Airlines
7.9
Good
280 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air Transat
7.8
Good
382 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Copa Airlines
7.6
Good
1,463 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Ontario. 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 from for flights from Las Vegas to Ontario?

    Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl (LAS) is the airport most travelers will use when flying to Ontario from Las Vegas.

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

    The cheapest airlines for a one-way flight from Las Vegas to Region of Ontario are WestJet ($59), Air Transat ($60), and Porter Airlines ($63).

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

    The most popular flight routes from Las Vegas to Region of Ontario are Las Vegas Harry Reid Intl - Toronto Pearson Intl, Las Vegas Harry Reid Intl - Montreal Pierre Elliott Trudeau Intl and Las Vegas Harry Reid Intl - Toronto Island.

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

    Consider Delta (66%), WestJet (66%) or Air Transat (48%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Region of Ontario.

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

    While on average a flight from Las Vegas to Region of Ontario is generally $783, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Las Vegas Harry Reid Intl - Toronto Pearson Intl), you can expect to pay $120 for that flight.

  • Can I find deals for flights from Las Vegas to Ontario that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Ontario.

  • Can I find deals for business class flights from Las Vegas to Ontario?

    Yes. Cheapflights offers flight deals from Las Vegas to Ontario 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 Las Vegas to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of $243). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of $359). 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

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Alternative routes for Las Vegas to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Vancouver Intl flights
Las Vegas to Pearson Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Las Vegas to Calgary flights
Reno to Vancouver Intl flights
Las Vegas to Abbotsford flights
Las Vegas to Toronto Island flights
Reno to Calgary flights
Reno to Pearson Intl flights
Las Vegas to Edmonton flights
Las Vegas to Winnipeg flights
Reno to Pierre Elliott Trudeau Intl flights
Las Vegas to Region of Waterloo Intl flights
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Las Vegas to Ottawa flights
Las Vegas to Kelowna flights
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Las Vegas to St. John's flights
Reno to Victoria flights
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Reno to Halifax flights
Las Vegas to Kamloops flights
Reno to St. John's flights
Reno to Ottawa flights
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Top 8 airlines flying from Las Vegas to Ontario

Discover the top 8 airlines that operate flights from Las Vegas to Ontario. 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$68Average$530FlexibilityNo cancel feeOn-time69%
Flair AirlinesCheapest$114Average$197FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$116Average$442FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$130Average$292FlexibilityNo cancel feeOn-time52%
WestJetCheapest$165Average$287FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$169Average$317FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$233Average$368FlexibilityNo cancel feeOn-time71%
DeltaCheapest$326Average$467FlexibilityNo cancel feeOn-timeN/A
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