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Cheap flights from Las Vegas to Ontario from C$ 80

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 229

One-way from

C$ 80

Popular in

June

Cheapest in

February

Average price

C$ 312

Good round-trip deal

C$ 240 or less

Good one-way deal

C$ 202 or less
WestJet
  • WestJet
  • 30/10-6/11
  • 2 total stops
  • 17h 50m total
  • Las Vegas to Ontario
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WestJet
  • WestJet
  • 16/10
  • 2 total stops
  • 11h 40m total
  • Las Vegas to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 80 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in September 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 11 September 2025.

Thu 30/103:45 p.m.LAS - YYZ
Nonstop4h 15mMultiple Airlines
Thu 6/119:40 a.m.YYZ - LAS
2 stops13h 35mMultiple Airlines
Deal found 11/9C$ 229
Sat 11/106:20 p.m.LAS - YYZ
1 stop8h 52mWestJet
Sat 18/102:00 p.m.YYZ - LAS
1 stop9h 21mWestJet
Deal found 11/9C$ 231
Tue 21/108:00 a.m.LAS - YYZ
1 stop9h 52mMultiple Airlines
Tue 28/109:35 a.m.YYZ - LAS
Nonstop5h 07mMultiple Airlines
Deal found 11/9C$ 233
Fri 17/1010:55 p.m.LAS - YYZ
Nonstop4h 25mMultiple Airlines
Wed 22/109:45 a.m.YYZ - LAS
Nonstop4h 54mMultiple Airlines
Deal found 11/9C$ 234
Tue 7/108:00 a.m.LAS - YYZ
2 stops13h 31mWestJet
Tue 21/1012:00 p.m.YYZ - LAS
2 stops12h 29mWestJet
Deal found 11/9C$ 236
Thu 16/1012:35 p.m.LAS - YYZ
Nonstop4h 23mWestJet
Mon 27/109:40 a.m.YYZ - LAS
2 stops11h 31mWestJet
Deal found 11/9C$ 237
Wed 22/1012:35 p.m.LAS - YYZ
Nonstop4h 23mWestJet
Mon 27/109:40 a.m.YYZ - LAS
2 stops11h 31mWestJet
Deal found 11/9C$ 240
Wed 8/1012:35 p.m.LAS - YYZ
Nonstop4h 23mMultiple Airlines
Wed 15/109:30 a.m.YYZ - LAS
Nonstop4h 50mMultiple Airlines
Deal found 10/9C$ 241
Tue 7/101:25 p.m.LAS - YYZ
2 stops13h 26mMultiple Airlines
Tue 21/109:30 a.m.YYZ - LAS
Nonstop4h 50mMultiple Airlines
Deal found 10/9C$ 243
Fri 17/1010:55 p.m.LAS - YYZ
Nonstop4h 25mMultiple Airlines
Mon 27/109:40 a.m.YYZ - LAS
2 stops11h 31mMultiple Airlines
Deal found 11/9C$ 244
Tue 7/108:00 a.m.LAS - YYZ
2 stops13h 31mWestJet
Thu 9/106:30 a.m.YYZ - LAS
1 stop16h 51mWestJet
Deal found 9/9C$ 245
Sat 11/1011:15 p.m.LAS - YTZ
1 stop9h 30mAir Canada
Sat 18/105:25 p.m.YTZ - LAS
1 stop7h 57mAir Canada
Deal found 11/9C$ 247

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 11 September 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

Thu 16/10

12:35 p.m.-7:58 p.m.

Nonstop4h 23m

Toronto Pearson Intl

Tue 21/10

9:30 a.m.-11:20 a.m.

Nonstop4h 50m

C$ 234

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Sat 11/10

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

1 stop9h 30m

Toronto Island

Sat 18/10

5:25 p.m.-10:22 p.m.

1 stop7h 57m

C$ 247

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 16/10

3:55 p.m.-6:12 a.m.

2 stops11h 17m

Toronto Pearson Intl

Sun 19/10

6:30 a.m.-3:01 p.m.

2 stops11h 31m

C$ 258

Las VegasToronto

LAS - YKF

LASYKF

Las Vegas Harry Reid Intl

Fri 31/10

1:10 p.m.-5:28 a.m.

2 stops13h 18m

Toronto Region of Waterloo Intl

Mon 3/11

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

1 stop14h 51m

C$ 259

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 25/11

3:45 p.m.-11:00 p.m.

Nonstop4h 15m

Toronto Pearson Intl

Fri 28/11

7:55 p.m.-10:02 p.m.

Nonstop5h 07m

C$ 283

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 23/10

12:35 p.m.-7:58 p.m.

Nonstop4h 23m

Toronto Pearson Intl

Thu 23/10

10:25 p.m.-8:21 p.m.

1 stop24h 56m

C$ 290

Las VegasToronto

LAS - YKF

LASYKF

Las Vegas Harry Reid Intl

Thu 25/9

11:30 a.m.-12:45 a.m.

1 stop10h 15m

Toronto Region of Waterloo Intl

Thu 16/10

6:00 a.m.-9:29 p.m.

1 stop18h 29m

C$ 292

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Thu 23/10

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

1 stop9h 30m

Toronto Island

Sat 25/10

5:25 p.m.-10:22 p.m.

1 stop7h 57m

C$ 294

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Wed 15/10

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

1 stop9h 30m

Toronto Island

Fri 24/10

5:25 p.m.-10:22 p.m.

1 stop7h 57m

C$ 294

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Wed 22/10

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

1 stop9h 30m

Toronto Island

Fri 24/10

5:25 p.m.-10:22 p.m.

1 stop7h 57m

C$ 294

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 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$ 168). 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 11 September 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 11 September 2025.

The most flights from LAS to CAON are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Las Vegas to Region of Ontario?

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 11 September 2025.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andWestJet from Las Vegas to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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.

  • How long is the flight from Las Vegas to Region of Ontario?

    Airlines like Air Canada, WestJet, and Porter Airlines fly from Las Vegas to Region of Ontario in about 4h 15m. The time it takes to get you to your destination can typically vary by up to 7h 02m. The distance between Las Vegas and Region of Ontario is about 3119 km. This flight may include one or multiple stops.

  • 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$ 80 on WestJet. Other airlines that offer cheap prices include United Airlines from C$ 111 and Air Canada from C$ 129 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 (87%), Air Canada Rouge (78%) and Porter Airlines (72%).

  • 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$ 385, our data indicates the cheapest price to be C$ 110. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 204.

  • 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$ 168). 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.
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Top 4 airlines flying from Las Vegas to Ontario

Discover the top 4 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 169AverageC$ 416FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 187AverageC$ 287FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 295AverageC$ 595FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 328AverageC$ 668FlexibilityNo cancel feeOn-time50%
Search Air Transat 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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