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

A quick flight from Region of Ontario to Las Vegas can take about 7h 45m. WestJet provides one of the quickest options available for as low as C$ 437. The distance from Region of Ontario to Las Vegas is about 3119 km. Both multi-stop and direct flights can be found to your destination and back.

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

For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 139. Users have also found prices from C$ 147 and C$ 165 on Porter Airlines and Air Transat, respectively.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 mm per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Las Vegas, 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 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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

While some choose either Montreal Pierre Elliott Trudeau Intl - Las Vegas Harry Reid Intl or Toronto Island - Las Vegas Harry Reid Intl, Toronto Pearson Intl - Las Vegas Harry Reid Intl is the most popular route from Region of Ontario to Las Vegas.

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

The cheapest flight price from Region of Ontario to Las Vegas is C$ 216. On average you can expect to pay C$ 760. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 357.

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

No one likes to see their flight delayed. When booking a flight from Region of Ontario to Las Vegas consider choosing Air Canada (74%), Air Canada Rouge (74%) or American Airlines (63%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Region of Ontario to Las Vegas?

Before booking your flight from Region of Ontario to Las Vegas check out the most popular airlines for this route: Porter Airlines, WestJet or Air Canada.

What airport do you fly into for flights to Las Vegas from Ontario?

Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Ontario. Harry Reid Intl is conveniently located just 10.0 km from Las Vegas’s city centre.

Can I find deals for flights from Ontario to Las Vegas that include hotel bookings?

Yes. In addition to deals on Ontario to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Las Vegas?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Las Vegas.

Can I find deals for business class flights from Ontario to Las Vegas?

Yes. Cheapflights offers flight deals from Ontario to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 239+ Cheap Flights from Ontario to Las Vegas

Cheap flight deals from Ontario to Las Vegas

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to Las Vegas
Explore the most affordable flight options available from Ontario to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Fri 18/910:00 a.m. -

1 stop10h 15m

Tue 22/91:45 p.m. -

1 stop8h 20m

Deal found 2/9C$ 373

Sun 18/109:00 a.m. -

1 stop11h 15m

Sun 25/107:45 a.m. -

2 stops13h 55m

Deal found 1/9C$ 375

Sun 11/108:40 p.m. -

1 stop19h 15m

Sun 18/108:30 a.m. -

1 stop8h 20m

Deal found 1/9C$ 376

Thu 5/118:30 p.m. -

Nonstop5h 07m

Sat 14/1111:35 p.m. -

Nonstop4h 15m

Deal found 2/9C$ 376

Thu 8/109:00 a.m. -

1 stop11h 15m

Tue 13/106:10 p.m. -

1 stop8h 35m

Deal found 1/9C$ 378

Sat 26/98:00 a.m. -

2 stops12h 15m

Tue 29/91:45 p.m. -

1 stop8h 20m

Deal found 1/9C$ 379

Sat 10/1012:40 p.m. -

2 stops12h 00m

Sun 18/108:30 a.m. -

1 stop8h 35m

Deal found 2/9C$ 380

Tue 20/106:50 a.m. -

2 stops13h 25m

Thu 22/104:30 p.m. -

1 stop10h 05m

Deal found 28/8C$ 382

Thu 1/108:00 a.m. -

2 stops14h 55m

Thu 8/101:20 p.m. -

2 stops13h 25m

Deal found 1/9C$ 382

Sun 13/98:40 p.m. -

2 stops18h 50m

Thu 17/98:30 a.m. -

1 stop8h 20m

Deal found 1/9C$ 384

Fri 16/1010:50 a.m. -

1 stop9h 25m

Mon 19/107:20 p.m. -

1 stop12h 55m

Deal found 1/9C$ 384

Fri 27/119:10 a.m. -

2 stops14h 35m

Sun 29/117:45 a.m. -

2 stops12h 55m

Deal found 1/9C$ 386

Best flights from Ontario to Las Vegas
Discover carefully curated flight deals from Ontario to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Sun 13/98:40 p.m. -

1 stop19h 15m

Thu 17/98:30 a.m. -

1 stop8h 20m

Deal found 1/9C$ 386

Thu 22/105:15 p.m. -

1 stop7h 58m

Mon 26/1011:50 p.m. -

Nonstop4h 20m

Deal found 1/9C$ 430

Fri 13/115:25 p.m. -

1 stop7h 45m

Mon 16/1110:08 p.m. -

1 stop7h 47m

Deal found 1/9C$ 437

Mon 5/105:15 p.m. -

1 stop7h 58m

Tue 13/1011:43 p.m. -

1 stop7h 11m

Deal found 1/9C$ 439

Sat 9/111:30 a.m. -

Nonstop5h 07m

Tue 12/12:35 p.m. -

Nonstop4h 15m

Deal found 1/9C$ 447

Fri 11/1210:35 a.m. -

1 stop15h 12m

Sat 12/1211:50 p.m. -

1 stop7h 05m

Deal found 28/8C$ 493

Wed 16/98:40 p.m. -

1 stop28h 00m

Sun 20/94:30 p.m. -

1 stop24h 20m

Deal found 1/9C$ 439

Sun 8/116:10 a.m. -

1 stop15h 19m

Sun 15/1111:50 p.m. -

Nonstop4h 20m

Deal found 30/8C$ 461

Sat 9/15:25 p.m. -

1 stop8h 30m

Tue 12/11:30 p.m. -

1 stop7h 31m

Deal found 1/9C$ 465

Sat 14/116:45 a.m. -

1 stop7h 32m

Tue 17/119:46 a.m. -

2 stops11h 13m

Deal found 31/8C$ 471

Sat 13/28:30 p.m. -

Nonstop5h 07m

Mon 15/29:40 a.m. -

1 stop8h 00m

Deal found 29/8C$ 496

Tue 22/98:40 p.m. -

1 stop28h 00m

Fri 25/98:30 a.m. -

1 stop8h 20m

Deal found 28/8C$ 457

Fri 6/115:10 p.m. -

1 stop8h 37m

Mon 9/1111:50 p.m. -

1 stop13h 15m

Deal found 1/9C$ 508

Sat 14/116:30 a.m. -

1 stop6h 50m

Mon 16/1112:50 a.m. -

1 stop7h 19m

Deal found 31/8C$ 471

Fri 11/125:55 p.m. -

1 stop7h 41m

Tue 15/1211:50 p.m. -

Nonstop4h 20m

Deal found 31/8C$ 476

Mon 26/103:35 p.m. -

1 stop7h 48m

Thu 29/107:00 a.m. -

2 stops11h 15m

Deal found 31/8C$ 491

Fri 18/98:40 p.m. -

1 stop17h 00m

Tue 22/91:45 p.m. -

1 stop27h 05m

Deal found 1/9C$ 465

Fri 2/105:15 p.m. -

1 stop7h 58m

Mon 5/1011:30 p.m. -

Nonstop4h 19m

Deal found 30/8C$ 484

Sun 27/96:05 a.m. -

1 stop8h 13m

Wed 30/97:00 a.m. -

1 stop12h 35m

Deal found 1/9C$ 501

Sun 29/115:25 p.m. -

1 stop8h 12m

Sat 5/1211:35 p.m. -

2 stops16h 10m

Deal found 28/8C$ 558

Fri 18/97:50 p.m. -

1 stop28h 50m

Sun 20/98:30 a.m. -

2 stops31h 15m

Deal found 1/9C$ 469

Sun 18/1010:05 a.m. -

2 stops13h 25m

Wed 21/105:45 a.m. -

2 stops9h 57m

Deal found 1/9C$ 576

Tue 29/96:00 a.m. -

1 stop8h 04m

Tue 6/1010:40 p.m. -

1 stop7h 31m

Deal found 1/9C$ 515

Wed 7/106:10 p.m. -

1 stop21h 45m

Sat 10/1011:30 a.m. -

1 stop26h 45m

Deal found 1/9C$ 475

Tue 2/26:45 a.m. -

1 stop9h 52m

Wed 3/22:35 p.m. -

1 stop7h 00m

Deal found 1/9C$ 590

Tue 27/105:10 p.m. -

1 stop8h 37m

Fri 30/106:00 a.m. -

2 stops13h 36m

Deal found 31/8C$ 590

Tue 3/112:00 p.m. -

2 stops12h 57m

Sat 7/117:30 p.m. -

2 stops15h 39m

Deal found 1/9C$ 515

Wed 9/1210:35 a.m. -

2 stops15h 01m

Thu 10/127:47 p.m. -

2 stops11h 08m

Deal found 1/9C$ 594

Sun 27/96:10 a.m. -

2 stops13h 25m

Thu 1/101:20 p.m. -

2 stops13h 00m

Deal found 1/9C$ 496

Fri 27/115:25 p.m. -

1 stop8h 12m

Sun 29/1111:35 p.m. -

2 stops16h 10m

Deal found 28/8C$ 608

Find flight deals from Ontario to Las Vegas

Round-trip from	C$ 373
One-way from	C$ 239
Popular in	July
Cheapest in	January
Average price	C$ 473
Good round-trip deal	C$ 462 or less
Good one-way deal	C$ 306 or less

WestJet
28/9-14/10
4 total stops
25h 10m total
Ontario to Las Vegas

Search Deals

WestJet
12/10
2 total stops
21h 20m total
Ontario to Las Vegas

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (C$ 145 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Ontario to Las Vegas Harry Reid Intl.

Search Deals

Price to beat on a one-way flight from Ontario to Las Vegas Harry Reid Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLas Vegas

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

YKFLAS

Toronto Region of Waterloo Intl

Sun 13/9

8:40 p.m.-12:55 p.m.

1 stop19h 15m

Las Vegas Harry Reid Intl

Thu 17/9

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

1 stop8h 20m

C$ 386

TorontoLas Vegas

YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl

YYZLAS

Toronto Pearson Intl

Thu 22/10

5:15 p.m.-10:13 p.m.

1 stop7h 58m

Las Vegas Harry Reid Intl

Mon 26/10

11:50 p.m.-7:10 a.m.

Nonstop4h 20m

C$ 430

TorontoLas Vegas

YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl

YYZLAS

Toronto Pearson Intl

Fri 13/11

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

1 stop7h 45m

Las Vegas Harry Reid Intl

Mon 16/11

10:08 p.m.-8:55 a.m.

1 stop7h 47m

C$ 437

TorontoLas Vegas

YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl

YYZLAS

Toronto Pearson Intl

Mon 5/10

5:15 p.m.-10:13 p.m.

1 stop7h 58m

Las Vegas Harry Reid Intl

Tue 13/10

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

1 stop7h 11m

C$ 439

TorontoLas Vegas

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

YKFLAS

Toronto Region of Waterloo Intl

Wed 16/9

8:40 p.m.-9:40 p.m.

1 stop28h 00m

Las Vegas Harry Reid Intl

Sun 20/9

4:30 p.m.-7:50 p.m.

1 stop24h 20m

C$ 439

Quickest round-trip

TorontoLas Vegas

YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl

YYZLAS

Toronto Pearson Intl

Sat 9/1

11:30 a.m.-1:37 p.m.

Nonstop5h 07m

Las Vegas Harry Reid Intl

Tue 12/1

2:35 p.m.-9:50 p.m.

Nonstop4h 15m

C$ 447

TorontoLas Vegas

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

YKFLAS

Toronto Region of Waterloo Intl

Tue 22/9

8:40 p.m.-9:40 p.m.

1 stop28h 00m

Las Vegas Harry Reid Intl

Fri 25/9

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

1 stop8h 20m

C$ 457

TorontoLas Vegas

YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl

YYZLAS

Toronto Pearson Intl

Sun 8/11

6:10 a.m.-6:29 p.m.

1 stop15h 19m

Las Vegas Harry Reid Intl

Sun 15/11

11:50 p.m.-7:10 a.m.

Nonstop4h 20m

C$ 461

TorontoLas Vegas

YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl

YYZLAS

Toronto Pearson Intl

Sat 9/1

5:25 p.m.-10:55 p.m.

1 stop8h 30m

Las Vegas Harry Reid Intl

Tue 12/1

1:30 p.m.-12:01 a.m.

1 stop7h 31m

C$ 465

TorontoLas Vegas

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

YKFLAS

Toronto Region of Waterloo Intl

Fri 18/9

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

1 stop17h 00m

Las Vegas Harry Reid Intl

Tue 22/9

1:45 p.m.-7:50 p.m.

1 stop27h 05m

C$ 465

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Ontario with our price prediction graph.

YYZ-LAS

YKF-LAS

YOW-LAS

YQG-LAS

YQT-LAS

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 Ontario to Las Vegas

CAON-LAS

YYZ-LAS

YKF-LAS

YOW-LAS

YQG-LAS

What is the cheapest month to book a flight from Region of Ontario to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of C$ 304). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 576). 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 ON to LAS?

It’s typically best to fly out from Region of Ontario to Las Vegas in the evening. Doing so could potentially save you 32% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Region of Ontario to Las Vegas

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

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

Airfare is below average for this route at the moment.

Region of Ontario to Las Vegas flights typically cost between C$ 390 and C$ 701 in September.
The cheapest round-trip price found within the last 5 days was C$ 373 on WestJet (18 Sep-22 Sep).

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

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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

Related info for your journey

What airport do you fly into for flights to Las Vegas from Ontario?
Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Ontario. Harry Reid Intl is conveniently located just 10.0 km from Las Vegas’s city centre.
How long is the flight from Region of Ontario to Las Vegas?
A quick flight from Region of Ontario to Las Vegas can take about 7h 45m. WestJet provides one of the quickest options available for as low as C$ 437. The distance from Region of Ontario to Las Vegas is about 3119 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Region of Ontario to Las Vegas one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 139. Users have also found prices from C$ 147 and C$ 165 on Porter Airlines and Air Transat, respectively.
What are the most popular routes from Region of Ontario to Las Vegas?
While some choose either Montreal Pierre Elliott Trudeau Intl - Las Vegas Harry Reid Intl or Toronto Island - Las Vegas Harry Reid Intl, Toronto Pearson Intl - Las Vegas Harry Reid Intl is the most popular route from Region of Ontario to Las Vegas.
What are the most reliable airlines from Region of Ontario to Las Vegas?
No one likes to see their flight delayed. When booking a flight from Region of Ontario to Las Vegas consider choosing Air Canada (74%), Air Canada Rouge (74%) or American Airlines (63%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Region of Ontario to Las Vegas?
The cheapest flight price from Region of Ontario to Las Vegas is C$ 216. On average you can expect to pay C$ 760. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for C$ 357.
Can I find deals for flights from Ontario to Las Vegas that include hotel bookings?
Yes. In addition to deals on Ontario to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Las Vegas.
Can I find deals for business class flights from Ontario to Las Vegas?
Yes. Cheapflights offers flight deals from Ontario to Las Vegas 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 Region of Ontario to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of C$ 304). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of C$ 576). 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

Paradise

Kingman

North Las Vegas

Henderson

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Nevada

Flights by cabin class

Las Vegas flight routes

Other flight options

Popular flights

Top destinations

Alternative routes for Ontario to Las Vegas

Pearson Intl to Las Vegas flights

Vancouver Intl to Las Vegas flights

Calgary to Las Vegas flights

Pierre Elliott Trudeau Intl to Las Vegas flights

Toronto Island to Las Vegas flights

Edmonton to Las Vegas flights

Abbotsford to Las Vegas flights

Winnipeg to Las Vegas flights

Hamilton to Las Vegas flights

Region of Waterloo Intl to Las Vegas flights

Québec City to Las Vegas flights

Vancouver Intl to Reno flights

Ottawa to Las Vegas flights

Regina to Las Vegas flights

Kelowna to Las Vegas flights

Halifax to Las Vegas flights

Victoria to Las Vegas flights

Saskatoon to Las Vegas flights

Moncton to Las Vegas flights

Fort McMurray to Las Vegas flights

Pierre Elliott Trudeau Intl to Reno flights

St. John's to Las Vegas flights

Windsor to Las Vegas flights

Pearson Intl to Reno flights

Comox to Las Vegas flights

Edmonton to Reno flights

Kamloops to Las Vegas flights

Thunder Bay to Las Vegas flights

London to Las Vegas flights

Charlottetown to Las Vegas flights

Calgary to Reno flights

St John to Las Vegas flights

Nanaimo to Las Vegas flights

Prince George to Las Vegas flights

Sudbury to Las Vegas flights

Sault Ste Marie to Las Vegas flights

Grande Prairie to Las Vegas flights

Fort St. John to Las Vegas flights

Fredericton to Las Vegas flights

Sydney to Las Vegas flights

Victoria to Reno flights

Deer Lake to Las Vegas flights

Pearson Intl to Elko flights

Lethbridge to Las Vegas flights

Edmonton to Elko flights

Kingston to Las Vegas flights

Red Deer to Las Vegas flights

Sarnia to Las Vegas flights

Top 7 airlines flying from Ontario to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 159	AverageC$ 399	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 170	AverageC$ 700	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 192	AverageC$ 454	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Porter Airlines	CheapestC$ 233	AverageC$ 541	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 275	AverageC$ 532	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 295	AverageC$ 541	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
American Airlines	CheapestC$ 318	AverageC$ 550	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Las Vegas from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Las Vegas, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to Las Vegas from C$ 239

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Las Vegas

Cheapest flights from Ontario to Las VegasExplore the most affordable flight options available from Ontario to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Explore the most affordable flight options available from Ontario to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Best flights from Ontario to Las VegasDiscover carefully curated flight deals from Ontario to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Discover carefully curated flight deals from Ontario to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Direct flights from Ontario to Las VegasExplore direct flight options from Ontario to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Explore direct flight options from Ontario to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Last-minute flights from Ontario to Las VegasDiscover last-minute flight deals from Ontario to Las Vegas. Data last updated 2 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Las Vegas. Data last updated 2 September 2026 and is based on user searches.

One-way flights from Ontario to Las VegasSearch for one-way flight options from Ontario to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Search for one-way flight options from Ontario to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Find flight deals from Ontario to Las Vegas

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Ontario with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Region of Ontario to Las Vegas?

What is the cheapest time of day to fly from ON to LAS?

Find hourly flight availability from Ontario to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2026.

It’s typically best to fly out from Region of Ontario to Las Vegas in the evening. Doing so could potentially save you 32% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Region of Ontario to Las Vegas

Explore weekly flight availability from Ontario to Las Vegas. 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 2 September 2026.

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

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

Airfare is below average for this route at the moment.

Region of Ontario to Las Vegas flights typically cost between C$ 390 and C$ 701 in September.The cheapest round-trip price found within the last 5 days was C$ 373 on WestJet (18 Sep-22 Sep).

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

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Las Vegas. Price data was last updated on 14 March 2026.

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

Related info for your journey

What airport do you fly into for flights to Las Vegas from Ontario?

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

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

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

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

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

Can I find deals for flights from Ontario to Las Vegas that include hotel bookings?

How can I find direct flights from Ontario to Las Vegas?

Can I find deals for business class flights from Ontario to Las Vegas?

What is the cheapest month to book a flight from Region of Ontario to Las Vegas?

Travelling to a place near Las Vegas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Las Vegas by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Nevada

Book a non-stop flight to one of these other cities located in Nevada.

Search flights from Ontario to Las Vegas by cabin class

Find flights from Ontario to Las Vegas, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Las Vegas

Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 September 2026.

Ontario and Las Vegas flights

Browse other Ontario and Las Vegas flight options. Last updated on 2 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ontario to Las Vegas flights

Consider these flights travelling from Ontario to Las Vegas.

Top 7 airlines flying from Ontario to Las Vegas

Fly with Cheapflights

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

Why should you use Cheapflights to find cheap flight tickets from Ontario to Las Vegas?

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Las Vegas
Explore the most affordable flight options available from Ontario to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2026.

Best flights from Ontario to Las Vegas
Discover carefully curated flight deals from Ontario to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Direct flights from Ontario to Las Vegas
Explore direct flight options from Ontario to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Last-minute flights from Ontario to Las Vegas
Discover last-minute flight deals from Ontario to Las Vegas. Data last updated 2 September 2026 and is based on user searches.

One-way flights from Ontario to Las Vegas
Search for one-way flight options from Ontario to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Region of Ontario to Las Vegas flights typically cost between C$ 390 and C$ 701 in September.
The cheapest round-trip price found within the last 5 days was C$ 373 on WestJet (18 Sep-22 Sep).