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Cheap flights from Las Vegas to Ontario from C$ 97

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Las Vegas to Ontario

Enter your travel dates to find the best prices.

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 17 March 2026.

Fri 8/58:30 a.m.
LAS
-
YYZ
1 stop8h 35m
WestJet
Sun 17/56:10 a.m.
YYZ
-
LAS
2 stops13h 25m
WestJet
Deal found 17/3C$ 260
Tue 12/512:35 p.m.
LAS
-
YYZ
Nonstop4h 25m
WestJet
Tue 19/59:45 a.m.
YYZ
-
LAS
Nonstop4h 55m
WestJet
Deal found 17/3C$ 271
Thu 30/410:05 a.m.
LAS
-
YYZ
1 stop10h 54m
WestJet
Sat 2/512:40 p.m.
YYZ
-
LAS
2 stops12h 00m
WestJet
Deal found 13/3C$ 274
Fri 17/48:05 a.m.
LAS
-
YYZ
1 stop8h 31m
WestJet
Mon 20/412:30 p.m.
YYZ
-
LAS
1 stop10h 46m
WestJet
Deal found 13/3C$ 277
Tue 16/61:45 p.m.
LAS
-
YYZ
2 stops12h 25m
WestJet
Fri 19/63:50 p.m.
YYZ
-
LAS
1 stop8h 50m
WestJet
Deal found 17/3C$ 279
Tue 16/61:45 p.m.
LAS
-
YYZ
2 stops12h 25m
WestJet
Thu 18/69:30 a.m.
YYZ
-
LAS
1 stop10h 05m
WestJet
Deal found 16/3C$ 282
Thu 4/61:20 p.m.
LAS
-
YYZ
1 stop8h 45m
WestJet
Tue 9/68:00 a.m.
YYZ
-
LAS
2 stops12h 15m
WestJet
Deal found 16/3C$ 283
Fri 10/411:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Mon 13/410:00 a.m.
YYZ
-
LAS
2 stops13h 16m
WestJet
Deal found 13/3C$ 286
Tue 28/46:10 p.m.
LAS
-
YUL
1 stop9h 55m
WestJet
Tue 5/56:45 a.m.
YUL
-
LAS
1 stop7h 55m
WestJet
Deal found 13/3C$ 320
Thu 7/511:25 p.m.
LAS
-
YTZ
1 stop9h 27m
Air Canada
Sat 16/55:30 p.m.
YTZ
-
LAS
1 stop8h 00m
Air Canada
Deal found 14/3C$ 331
Fri 8/56:10 p.m.
LAS
-
YUL
1 stop9h 55m
WestJet
Mon 11/56:45 a.m.
YUL
-
LAS
2 stops13h 30m
WestJet
Deal found 14/3C$ 351
Thu 4/611:25 p.m.
LAS
-
YTZ
1 stop7h 42m
Air Canada
Tue 9/64:30 p.m.
YTZ
-
LAS
1 stop9h 00m
Air Canada
Deal found 16/3C$ 363

Find 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 17 March 2026.

Round-trip from

C$ 260

One-way from

C$ 97

Popular in

May

Cheapest in

April

Average price

C$ 272

Good round-trip deal

C$ 174 or less

Good one-way deal

C$ 144 or less
WestJet
  • WestJet
  • 8/5-17/5
  • 3 total stops
  • 22h 00m total
  • Las Vegas to Ontario
Search Deals
WestJet
  • WestJet
  • 3/6
  • 2 total stops
  • 12h 25m total
  • Las Vegas to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Ontario.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Ontario.
Search Deals

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 17 March 2026.
Use the filters below to find and compare flights from Las Vegas to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 7/5

12:45 p.m.-8:09 p.m.

Nonstop4h 24m

Toronto Pearson Intl

Sat 16/5

10:25 p.m.-10:40 a.m.

1 stop15h 15m

C$ 363

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Thu 7/5

11:25 p.m.-10:07 a.m.

1 stop7h 42m

Toronto Island

Sat 16/5

5:30 p.m.-10:30 p.m.

1 stop8h 00m

C$ 393

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 23/6

10:00 p.m.-9:19 a.m.

1 stop8h 19m

Toronto Pearson Intl

Wed 24/6

1:00 p.m.-5:58 p.m.

1 stop7h 58m

C$ 393

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 2/4

10:50 a.m.-9:32 p.m.

1 stop7h 42m

Toronto Pearson Intl

Mon 6/4

8:50 a.m.-3:19 p.m.

1 stop9h 29m

C$ 394

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 9/4

2:37 p.m.-11:59 p.m.

1 stop6h 22m

Toronto Pearson Intl

Sun 12/4

6:10 a.m.-6:23 p.m.

1 stop15h 13m

C$ 414

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 5/6

11:30 p.m.-9:54 a.m.

1 stop7h 24m

Toronto Pearson Intl

Tue 9/6

5:15 p.m.-9:54 p.m.

1 stop7h 39m

C$ 416

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 23/4

8:05 a.m.-12:39 a.m.

2 stops13h 34m

Ottawa

Sun 26/4

7:30 a.m.-4:35 p.m.

2 stops12h 05m

C$ 422

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Mon 25/5

10:00 p.m.-11:43 a.m.

1 stop10h 43m

Toronto Pearson Intl

Sun 31/5

5:15 p.m.-11:53 p.m.

1 stop9h 38m

C$ 427

Las VegasMontreal

LAS - YUL

LASYUL

Las Vegas Harry Reid Intl

Sun 24/5

11:25 p.m.-7:15 a.m.

Nonstop4h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

8:00 p.m.-10:30 p.m.

Nonstop5h 30m

C$ 441

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 11/5

12:45 p.m.-12:25 a.m.

1 stop8h 40m

Ottawa

Tue 19/5

6:55 a.m.-11:40 a.m.

1 stop7h 45m

C$ 450

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of C$ 110). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 215). 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 17 March 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 52% on flights from Las Vegas to Region of Ontario by exploring options for tickets in the evening.

What is the cheapest day to fly from Las Vegas to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Ontario. Price data was last updated on 9 March 2025.

Travelers seeking maximum savings on their Las Vegas to Region of Ontario flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 17 March 2026.

The most flights from LAS to CAON are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 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 17 March 2026.
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
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
424 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
521 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,296 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,811 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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, United Airlines, and WestJet fly from Las Vegas to Region of Ontario in about 7h 42m. The time it takes to get you to your destination can typically vary by up to 5h 52m. The distance between Las Vegas and Region of Ontario is about 3137 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$ 78 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 93 and United Airlines from C$ 93 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 Delta (69%), WestJet (69%) and Air Canada (52%).

  • 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$ 244, our data indicates the cheapest price to be C$ 101. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 283.

  • 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, February is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of C$ 110). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 215). 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

Browse thousands of different options on Cheapflights for your next trip

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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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 140AverageC$ 287FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 190AverageC$ 411FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 291AverageC$ 421FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 432AverageC$ 660FlexibilityNo 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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