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Cheap flights from Las Vegas to Ontario from C$ 77

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

C$ 218

One-way from

C$ 77

Popular in

July

Cheapest in

February

Average price

C$ 417

Good round-trip deal

C$ 129 or less

Good one-way deal

C$ 123 or less
WestJet
  • WestJet
  • 9/4-12/4
  • 2 total stops
  • 25h 02m total
  • Las Vegas to Ontario
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WestJet
  • WestJet
  • 15/4
  • 1 total stop
  • 8h 06m total
  • Las Vegas to Ontario
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Highest demand for flights based on searches. 13% potential increase in price (C$ 85 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 15 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 25 March 2025.

Tue 1/48:40 a.m.LAS - YYZ
2 stops13h 00mWestJet
Tue 8/41:50 p.m.YYZ - LAS
1 stop10h 04mWestJet
Deal found 24/3C$ 186
Tue 1/46:20 p.m.LAS - YYZ
1 stop9h 40mUnited Airlines
Wed 2/410:15 a.m.YYZ - LAS
1 stop9h 59mUnited Airlines
Deal found 24/3C$ 241
Mon 31/37:00 a.m.LAS - YTZ
1 stop9h 50mAir Canada
Mon 7/43:25 p.m.YTZ - LAS
1 stop9h 12mAir Canada
Deal found 24/3C$ 244
Mon 31/37:00 a.m.LAS - YYZ
1 stop8h 48mAir Canada
Mon 7/48:10 p.m.YYZ - LAS
Nonstop4h 57mAir Canada
Deal found 24/3C$ 245
Wed 23/49:10 a.m.LAS - YTZ
1 stop6h 43mPorter Airlines
Wed 30/44:10 p.m.YTZ - LAS
1 stop7h 30mPorter Airlines
Deal found 24/3C$ 259
Wed 26/312:59 a.m.LAS - YYZ
1 stop7h 27mMultiple Airlines
Sat 29/34:00 p.m.YYZ - LAS
1 stop8h 53mMultiple Airlines
Deal found 23/3C$ 259
Fri 16/511:10 p.m.LAS - YYZ
Nonstop4h 25mPorter Airlines
Tue 20/51:50 p.m.YYZ - LAS
Nonstop4h 53mPorter Airlines
Deal found 24/3C$ 261
Thu 1/57:30 p.m.LAS - YTZ
2 stops17h 57mMultiple Airlines
Wed 21/57:00 a.m.YTZ - LAS
1 stop7h 25mMultiple Airlines
Deal found 24/3C$ 330
Fri 16/511:10 p.m.LAS - YYZ
Nonstop4h 25mAir Transat
Tue 20/51:50 p.m.YYZ - LAS
Nonstop4h 53mAir Transat
Deal found 24/3C$ 332
Fri 9/512:40 a.m.LAS - YYZ
1 stop12h 00mAmerican Airlines
Mon 12/512:35 p.m.YYZ - LAS
1 stop11h 35mAmerican Airlines
Deal found 23/3C$ 335
Fri 9/512:20 p.m.LAS - YOW
Nonstop4h 35mMultiple Airlines
Wed 21/57:50 a.m.YOW - LAS
2 stops14h 48mMultiple Airlines
Deal found 23/3C$ 338
Wed 14/51:45 p.m.LAS - YHM
1 stop7h 56mWestJet
Sun 18/56:00 a.m.YHM - LAS
1 stop9h 55mWestJet
Deal found 24/3C$ 354

Cheapflights Fare Finder

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 629,999 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from Las Vegas to Ontario that are best for you.

Fly from

Las Vegas

Fly to

Ontario

Route

Depart

Return

Price

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 9/4

6:30 p.m.-6:17 a.m.

1 stop8h 47m

Toronto Pearson Intl

Sat 12/4

10:40 p.m.-11:55 a.m.

1 stop16h 15m

C$ 218

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Thu 3/4

7:00 a.m.-5:50 p.m.

1 stop7h 50m

Toronto Island

Mon 7/4

3:25 p.m.-9:37 p.m.

1 stop9h 12m

C$ 244

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Sat 10/5

6:20 p.m.-6:52 a.m.

1 stop9h 32m

Toronto Pearson Intl

Mon 12/5

8:05 p.m.-9:58 p.m.

Nonstop4h 53m

C$ 245

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Wed 23/4

9:10 a.m.-6:53 p.m.

1 stop6h 43m

Toronto Island

Wed 30/4

4:10 p.m.-8:40 p.m.

1 stop7h 30m

C$ 259

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 16/5

11:10 p.m.-6:35 a.m.

Nonstop4h 25m

Toronto Pearson Intl

Tue 20/5

1:50 p.m.-3:43 p.m.

Nonstop4h 53m

C$ 261

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 23/4

11:43 a.m.-10:48 p.m.

1 stop8h 05m

Toronto Pearson Intl

Wed 30/4

4:18 p.m.-8:29 p.m.

1 stop7h 11m

C$ 274

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 16/5

11:10 p.m.-6:35 a.m.

Nonstop4h 25m

Toronto Pearson Intl

Tue 20/5

1:50 p.m.-3:43 p.m.

Nonstop4h 53m

C$ 332

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 9/5

12:40 a.m.-3:40 p.m.

1 stop12h 00m

Toronto Pearson Intl

Mon 12/5

12:35 p.m.-9:10 p.m.

1 stop11h 35m

C$ 335

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 9/5

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

Ottawa

Wed 21/5

7:50 a.m.-7:38 p.m.

2 stops14h 48m

C$ 338

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Wed 7/5

11:20 p.m.-11:47 a.m.

1 stop9h 27m

Toronto Island

Wed 14/5

7:00 a.m.-11:25 a.m.

1 stop7h 25m

C$ 345

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Ontario

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 C$ 167). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 25 March 2025.

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

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 25 March 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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 25 March 2025.
To help decide which airline to fly from Las Vegas to Ontario, see what other customers have to say about Alaska Airlines, Delta and Porter Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

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
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

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
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

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
275 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

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
381 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

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
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

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?

    If you book a flight to Ontario from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 10.0 km from the centre of Las Vegas.

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

    One-way options have recently been found by users for as low as C$ 77 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 85 and United Airlines from C$ 97 one-way.

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

    The most popular route from Las Vegas to Region of Ontario is Las Vegas Harry Reid Intl - Toronto Pearson Intl. You may also consider Las Vegas Harry Reid Intl - Montreal Pierre Elliott Trudeau Intl or Las Vegas Harry Reid Intl - Toronto Island.

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

    The top 3 most reliable airlines when flying from Las Vegas to Region of Ontario are Air Canada Rouge (91%), Delta (69%) and WestJet (69%).

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

    Looking for the cheapest flight from Las Vegas to Region of Ontario? While on average our users pay C$ 1,020, our data indicates the cheapest price to be C$ 67. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 211.

  • 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 C$ 167). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Calgary flights
Las Vegas to Pierre Elliott Trudeau Intl flights
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Las Vegas to Ottawa flights
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Las Vegas to Region of Waterloo Intl flights
Las Vegas to Halifax flights
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Las Vegas to Victoria flights
Reno to Calgary flights
Las Vegas to Winnipeg flights
Las Vegas to Charlottetown flights
Las Vegas to Fort McMurray flights
Las Vegas to Yellowknife flights
Reno to Halifax flights
Las Vegas to Hamilton flights

Top 3 airlines flying from Las Vegas to Ontario

Discover the top 3 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 629,999 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 175AverageC$ 666FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 233AverageC$ 413FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 251AverageC$ 444FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Las Vegas to Ontario. 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 Las Vegas to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Las Vegas to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Las Vegas to Ontario flexibly with Cheapflights today.

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

Yes! Start tracking prices for Las Vegas to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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