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Cheap flights from Las Vegas to Ontario from C$ 161

LAS — YYZ
22 Oct — 29 Oct1
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

Fri 16/101:45 p.m. -
2 stops12h 25m
Thu 22/1010:00 a.m. -
1 stop10h 15m
Deal found 22/9C$ 412
Fri 16/1011:20 p.m. -
Nonstop4h 19m
Thu 22/108:00 a.m. -
2 stops12h 15m
Deal found 22/9C$ 415
Wed 18/1111:50 a.m. -
1 stop9h 05m
Wed 25/119:10 a.m. -
2 stops12h 05m
Deal found 22/9C$ 416
Fri 20/1111:35 p.m. -
Nonstop4h 15m
Sun 22/119:10 a.m. -
2 stops12h 05m
Deal found 21/9C$ 418
Sat 17/108:30 a.m. -
1 stop9h 45m
Sat 24/101:50 p.m. -
Nonstop4h 47m
Deal found 21/9C$ 426
Sat 24/108:30 a.m. -
1 stop9h 45m
Sat 31/101:30 p.m. -
1 stop11h 15m
Deal found 21/9C$ 429
Thu 12/1110:05 a.m. -
Nonstop4h 15m
Mon 16/117:30 a.m. -
1 stop11h 25m
Deal found 22/9C$ 433
Thu 12/117:45 a.m. -
1 stop8h 35m
Mon 16/117:30 a.m. -
1 stop11h 25m
Deal found 22/9C$ 436
Sat 24/108:30 a.m. -
1 stop9h 45m
Sat 14/118:30 p.m. -
Nonstop5h 07m
Deal found 22/9C$ 440
Mon 9/1110:05 a.m. -
Nonstop4h 15m
Thu 12/118:30 p.m. -
Nonstop5h 07m
Deal found 22/9C$ 454
Thu 15/106:10 p.m. -
1 stop8h 25m
Thu 22/1012:25 p.m. -
1 stop9h 05m
Deal found 18/9C$ 491
Fri 9/108:30 a.m. -
1 stop8h 20m
Sun 11/108:40 p.m. -
1 stop23h 35m
Deal found 20/9C$ 492

Find flight deals from Las Vegas to Ontario

Round-trip from

C$ 412

One-way from

C$ 161

Popular in

August

Cheapest in

March

Average price

C$ 514

Good round-trip deal

C$ 204 or less

Good one-way deal

C$ 251 or less
WestJet
  • WestJet
  • 16/10-22/10
  • 3 total stops
  • 22h 40m total
  • Las Vegas to Ontario
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22/10-31/12
  • 22/10-31/12
  • 2 total stops
  • 23h 11m total
  • Las Vegas to Ontario
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 146 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

 
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 VegasOttawa

LAS Las Vegas Harry Reid Intl - YOW Ottawa

LASYOW

Las Vegas Harry Reid Intl

Thu 22/10

5:09 p.m.-7:20 p.m.

2 stops23h 11m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 161

Las VegasOttawa

LAS Las Vegas Harry Reid Intl - YOW Ottawa

LASYOW

Las Vegas Harry Reid Intl

Tue 27/10

4:08 p.m.-1:00 a.m.

2 stops29h 52m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 161

Las VegasOttawa

LAS Las Vegas Harry Reid Intl - YOW Ottawa

LASYOW

Las Vegas Harry Reid Intl

Tue 20/10

10:52 a.m.-7:20 p.m.

2 stops29h 28m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 167

Las VegasToronto

LAS Las Vegas Harry Reid Intl - YKF Toronto Region of Waterloo Intl

LASYKF

Las Vegas Harry Reid Intl

Fri 16/10

8:30 a.m.-7:50 p.m.

1 stop8h 20m

Toronto Region of Waterloo Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 227

Las VegasToronto

LAS Las Vegas Harry Reid Intl - YYZ Toronto Pearson Intl

LASYYZ

Las Vegas Harry Reid Intl

Fri 20/11

12:00 p.m.-5:45 a.m.

2 stops14h 45m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 228

Las VegasToronto

LAS Las Vegas Harry Reid Intl - YYZ Toronto Pearson Intl

LASYYZ

Las Vegas Harry Reid Intl

Sun 11/10

11:43 p.m.-9:54 a.m.

1 stop7h 11m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 230
Quickest round-trip

Las VegasToronto

LAS Las Vegas Harry Reid Intl - YYZ Toronto Pearson Intl

LASYYZ

Las Vegas Harry Reid Intl

Tue 17/11

11:59 p.m.-9:47 a.m.

1 stop6h 48m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 234

Las VegasToronto

LAS Las Vegas Harry Reid Intl - YYZ Toronto Pearson Intl

LASYYZ

Las Vegas Harry Reid Intl

Mon 26/10

7:50 p.m.-9:47 a.m.

2 stops10h 57m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 241

Las VegasOttawa

LAS Las Vegas Harry Reid Intl - YOW Ottawa

LASYOW

Las Vegas Harry Reid Intl

Tue 27/10

11:45 p.m.-3:07 p.m.

1 stop12h 22m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 245

Las VegasToronto

LAS Las Vegas Harry Reid Intl - YKF Toronto Region of Waterloo Intl

LASYKF

Las Vegas Harry Reid Intl

Thu 1/10

8:30 a.m.-7:50 p.m.

1 stop8h 20m

Toronto Region of Waterloo Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 247

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/9

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

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$ 398). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 598). 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?

Unlike at noon, when flights are generally more expensive, you can save up to 44% on flights from Las Vegas to Region of Ontario by exploring options for tickets in the evening.

Weekly flight availability from Las Vegas to Region of Ontario

The most flights from LAS to CAON are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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

Airfare is below average for this route at the moment.
Las Vegas to Region of Ontario flights typically cost between C$ 480 and C$ 699 in October.
The cheapest round-trip price found within the last 5 days was C$ 412 on WestJet (16 Oct-22 Oct).

How far ahead should I book a flight from Las Vegas to Region of Ontario?

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Porter Airlines,WestJet, andAir Canada 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
462 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
462 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,446 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,661 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

  • 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, Porter Airlines, and United Airlines fly from Las Vegas to Region of Ontario in about 4h 19m. The time it takes to get you to your destination can typically vary by up to 9h 25m. 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$ 91 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 110 and Air Transat from C$ 135 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 (80%), Air Canada Rouge (80%) and American Airlines (60%).

  • 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$ 321, our data indicates the cheapest price to be C$ 129. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 415.

  • 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$ 398). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 598). 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

Top 3 airlines flying from Las Vegas to Ontario

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 143AverageC$ 391FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 215AverageC$ 495FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 395AverageC$ 582FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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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