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Cheap flights from Las Vegas to Ontario from C$ 109

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
28 Feb — 7 Mar1
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 29 January 2026.

Fri 27/211:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Fri 6/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 29/1C$ 220
Thu 26/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Sun 29/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 28/1C$ 221
Fri 17/411:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Thu 23/48:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 29/1C$ 223
Sun 1/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
Multiple Airlines
Sat 7/37:55 p.m.
YYZ
-
LAS
Nonstop5h 07m
Multiple Airlines
Deal found 28/1C$ 232
Fri 13/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Fri 20/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 27/1C$ 234
Sun 15/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Sun 22/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 29/1C$ 240
Sun 15/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Fri 20/38:00 p.m.
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 27/1C$ 242
Mon 2/311:25 p.m.
LAS
-
YYZ
Nonstop4h 18m
WestJet
Fri 6/39:40 a.m.
YYZ
-
LAS
2 stops13h 36m
WestJet
Deal found 29/1C$ 243
Sat 14/29:00 a.m.
LAS
-
YTZ
1 stop7h 55m
Air Canada
Tue 17/28:30 p.m.
YTZ
-
LAS
1 stop17h 48m
Air Canada
Deal found 27/1C$ 342
Mon 20/44:50 p.m.
LAS
-
YOW
1 stop10h 55m
Multiple Airlines
Sun 26/43:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Deal found 27/1C$ 343
Fri 27/211:25 p.m.
LAS
-
YUL
1 stop22h 13m
Multiple Airlines
Thu 5/34:55 p.m.
YUL
-
LAS
1 stop8h 47m
Multiple Airlines
Deal found 26/1C$ 350
Wed 22/48:05 a.m.
LAS
-
YUL
2 stops13h 33m
WestJet
Mon 27/47:25 p.m.
YUL
-
LAS
1 stop19h 15m
WestJet
Deal found 27/1C$ 352

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 29 January 2026.

Round-trip from

C$ 220

One-way from

C$ 109

Popular in

November

Cheapest in

April

Average price

C$ 272

Good round-trip deal

C$ 118 or less

Good one-way deal

C$ 209 or less
WestJet
  • WestJet
  • 27/2-6/3
  • Nonstop
  • 9h 30m total
  • Las Vegas to Ontario
Search Deals
WestJet
  • WestJet
  • 3/3
  • 2 total stops
  • 12h 35m total
  • Las Vegas to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 29 January 2026.
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 26/3

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Sun 29/3

8:00 p.m.-10:12 p.m.

Nonstop5h 12m

C$ 220

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Sun 1/3

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Sat 7/3

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

Nonstop5h 07m

C$ 232

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 13/3

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Fri 20/3

8:00 p.m.-10:12 p.m.

Nonstop5h 12m

C$ 234

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Sun 15/3

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Sun 22/3

8:00 p.m.-10:12 p.m.

Nonstop5h 12m

C$ 240

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 17/4

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Thu 23/4

10:00 a.m.-8:16 p.m.

2 stops13h 16m

C$ 243

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 13/2

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Mon 16/2

8:00 p.m.-10:12 p.m.

Nonstop5h 12m

C$ 246

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 13/2

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Sun 15/2

8:00 p.m.-10:12 p.m.

Nonstop5h 12m

C$ 246

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 27/3

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Tue 31/3

9:35 a.m.-11:42 a.m.

Nonstop5h 07m

C$ 251

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Sun 15/3

11:25 p.m.-6:43 a.m.

Nonstop4h 18m

Toronto Pearson Intl

Fri 20/3

8:00 p.m.-10:12 p.m.

Nonstop5h 12m

C$ 257

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Sat 14/2

9:00 a.m.-7:55 p.m.

1 stop7h 55m

Toronto Island

Tue 17/2

8:30 p.m.-11:18 a.m.

1 stop17h 48m

C$ 342

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

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, March is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of C$ 72). Flying from Las Vegas to Region of Ontario in August is currently the most expensive (average of C$ 187). 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 29 January 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 67% 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 16 February 2025.

Travelers seeking maximum savings on their Las Vegas to Region of Ontario flight should consider departing on Monday 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 29 January 2026.

The most flights from LAS to CAON are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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 29 January 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
7.9
Good
412 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Food

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Food

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
501 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Food

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,253 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Food

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,667 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Food

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 WestJet, Air Canada, and United Airlines fly from Las Vegas to Region of Ontario in about 4h 18m. The time it takes to get you to your destination can typically vary by up to 3h 37m. 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$ 71 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 72 and United Airlines from C$ 92 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 (59%), WestJet (59%) and American Airlines (59%).

  • 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$ 273, our data indicates the cheapest price to be C$ 97. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 228.

  • 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, March is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of C$ 72). Flying from Las Vegas to Region of Ontario in August is currently the most expensive (average of C$ 187). 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 Pearson Intl flights
Las Vegas to Calgary flights
Las Vegas to Vancouver Intl flights
Reno to Vancouver Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Reno to Calgary flights
Las Vegas to Edmonton flights
Las Vegas to Winnipeg flights
Reno to Pearson Intl flights
Las Vegas to Abbotsford flights
Las Vegas to Halifax flights
Las Vegas to Ottawa flights
Las Vegas to Victoria flights
Las Vegas to Québec City flights
Elko to Vancouver Intl flights
Las Vegas to Hamilton flights
Las Vegas to Kelowna flights
Las Vegas to Charlottetown flights
Las Vegas to Yellowknife flights
Reno to Halifax flights
Las Vegas to Fort McMurray flights
Las Vegas to Region of Waterloo Intl flights

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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 184AverageC$ 283FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 188AverageC$ 408FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 289AverageC$ 560FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 321AverageC$ 654FlexibilityNo 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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