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

The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from WestJet and Air Canada, as they are both options that can get you from Region of Ontario to Las Vegas for a low price.

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 $91. On average you can expect to pay $215. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $149.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to Las Vegas on time: Air Canada Rouge (76%), Air France (75%), Delta (75%).

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

When booking a flight from Region of Ontario to Las Vegas, you may want to consider flying on American Airlines, Air Canada or Delta as they are the most popular for this route.

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

Find a great deal and save up to 33% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Region of Ontario to Las Vegas within the next two weeks, with the cheapest ticket starting at $251.

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

Our data shows that January tends to be the cheapest month to fly to Las Vegas from Region of Ontario. Users have commonly found prices around $268 for the month, but tickets can be as low as $139. Due to multiple factors, prepare for potentially higher prices in December.

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

If you book a flight to Las Vegas from Ontario, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas.

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.

$97+ Flights from Ontario to Las Vegas

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from Ontario to Las Vegas

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$152 (Kiwi.com)
One-way from	$97 (Cheapflightsfares)
Popular in	December
Cheapest in	January
Average price	$252
Good round-trip deal	$185 or less
Good one-way deal	$111 or less

Provider with most accurate pricing for Toronto (YTO)-Las Vegas Harry Reid Intl flight deals.

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Provider most trusted by Cheapflights users for Toronto (YTO)-Las Vegas Harry Reid Intl flights.

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From Ontario to Las Vegas Harry Reid Intl

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One-way flight from Ontario to Las Vegas Harry Reid Intl

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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

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

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Find flight deals from Ontario to Las Vegas

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 April 24, 2025.

Wed 6/1112:00 pmYYZ - LAS

1 stop11h 21mWestJet

Wed 6/186:20 pmLAS - YYZ

1 stop9h 32mWestJet

Deal found 4/23

$152

Mon 5/128:05 pmYYZ - LAS

Nonstop4h 53mPorter Airlines

Fri 5/1611:10 pmLAS - YYZ

Nonstop4h 25mPorter Airlines

Deal found 4/22

$155

Tue 4/296:00 amYKF - LAS

1 stop14h 35mWestJet

Tue 5/61:45 pmLAS - YKF

1 stop8h 01mWestJet

Deal found 4/22

$161

Wed 5/76:00 amYHM - LAS

1 stop9h 55mWestJet

Wed 5/141:45 pmLAS - YHM

1 stop7h 56mWestJet

Deal found 4/22

$169

Wed 5/710:00 amYYZ - LAS

1 stop10h 35mMultiple Airlines

Wed 5/149:55 amLAS - YYZ

Nonstop4h 25mMultiple Airlines

Deal found 4/22

$170

Tue 10/73:25 pmYTZ - LAS

1 stop9h 47mAir Canada

Tue 10/2111:15 pmLAS - YTZ

1 stop9h 30mAir Canada

Deal found 4/23

$179

Tue 10/78:00 amYYZ - LAS

1 stop10h 58mAir Canada

Tue 10/2111:15 pmLAS - YYZ

1 stop9h 24mAir Canada

Deal found 4/23

$185

Thu 9/181:05 pmYYZ - LAS

1 stop12h 36mUnited Airlines

Sun 9/2112:59 amLAS - YYZ

1 stop7h 33mUnited Airlines

Deal found 4/22

$204

Tue 6/173:35 pmYOW - LAS

1 stop8h 55mWestJet

Thu 6/1911:30 amLAS - YOW

1 stop10h 11mWestJet

Deal found 4/23

$212

Mon 5/123:45 pmYYZ - LAS

1 stop9h 57mAmerican Airlines

Mon 5/1212:59 amLAS - YYZ

2 stops13h 36mAmerican Airlines

Deal found 4/23

$212

Mon 6/97:00 amYUL - LAS

2 stops15h 38mWestJet

Wed 6/1811:30 amLAS - YUL

1 stop10h 13mWestJet

Deal found 4/22

$218

Fri 5/304:40 pmYOW - LAS

1 stop8h 18mPorter Airlines

Fri 6/612:20 pmLAS - YOW

Nonstop4h 35mPorter Airlines

Deal found 4/23

$232

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 April 24, 2025.

Wed 6/1112:00 pmYYZ - LAS

1 stop11h 21mWestJet

Wed 6/186:20 pmLAS - YYZ

1 stop9h 32mWestJet

Deal found 4/23

$152

Mon 5/128:05 pmYYZ - LAS

Nonstop4h 53mPorter Airlines

Fri 5/1611:10 pmLAS - YYZ

Nonstop4h 25mPorter Airlines

Deal found 4/22

$155

Wed 5/710:00 amYYZ - LAS

1 stop10h 35mMultiple Airlines

Wed 5/149:55 amLAS - YYZ

Nonstop4h 25mMultiple Airlines

Deal found 4/22

$170

Wed 5/74:30 pmYYZ - LAS

1 stop8h 49mAir Canada

Mon 5/1211:20 pmLAS - YYZ

1 stop8h 19mAir Canada

Deal found 4/22

$188

Tue 5/138:35 amYYZ - LAS

1 stop9h 18mUnited Airlines

Tue 5/136:20 pmLAS - YYZ

1 stop9h 40mUnited Airlines

Deal found 4/22

$208

Mon 5/123:45 pmYYZ - LAS

1 stop9h 57mAmerican Airlines

Mon 5/1212:59 amLAS - YYZ

2 stops13h 36mAmerican Airlines

Deal found 4/23

$212

Fri 5/97:00 amYYZ - LAS

Nonstop4h 53mAir Transat

Sat 5/174:45 pmLAS - YYZ

Nonstop4h 27mAir Transat

Deal found 4/22

$260

Fri 5/233:50 pmYYZ - LAS

1 stop7h 25mDelta

Sun 5/2512:54 amLAS - YYZ

1 stop7h 46mDelta

Deal found 4/22

$273

Tue 4/296:00 amYKF - LAS

1 stop14h 35mWestJet

Tue 5/61:45 pmLAS - YKF

1 stop8h 01mWestJet

Deal found 4/22

$161

Sun 5/116:00 amYHM - LAS

2 stops12h 01mWestJet

Tue 5/131:45 pmLAS - YHM

1 stop7h 56mWestJet

Deal found 4/23

$175

Tue 7/17:25 amYTZ - LAS

2 stops13h 16mAir Canada

Sun 7/611:43 pmLAS - YTZ

2 stops17h 53mAir Canada

Deal found 4/23

$211

Mon 4/281:05 pmYTZ - LAS

1 stop10h 35mPorter Airlines

Wed 4/309:05 amLAS - YTZ

1 stop6h 48mPorter Airlines

Deal found 4/23

$215

Last-minute flights from Ontario to Las Vegas
Discover last-minute flight deals from Ontario to Las Vegas. Data last updated April 24, 2025 and is based on user searches.

Tue 4/296:00 amYKF - LAS

1 stop14h 35mWestJet

Tue 5/61:45 pmLAS - YKF

1 stop8h 01mWestJet

Deal found 4/22

$161

Tue 4/297:25 pmYYZ - LAS

Nonstop5h 03mPorter Airlines

Tue 5/64:45 pmLAS - YYZ

Nonstop4h 27mPorter Airlines

Deal found 4/22

$168

Tue 4/298:15 amYYZ - LAS

Nonstop4h 57mAir Canada

Tue 5/612:10 pmLAS - YYZ

Nonstop4h 27mAir Canada

Deal found 4/22

$195

Tue 4/295:20 pmYYZ - LAS

1 stop7h 39mAmerican Airlines

Mon 5/512:59 amLAS - YYZ

1 stop8h 31mAmerican Airlines

Deal found 4/22

$220

Tue 4/296:45 amYUL - LAS

2 stops12h 51mMultiple Airlines

Tue 5/69:55 amLAS - YUL

1 stop7h 02mMultiple Airlines

Deal found 4/22

$307

Wed 4/3011:25 amYYZ - LAS

Nonstop5h 03mMultiple Airlines

Tue 5/61:45 pmLAS - YYZ

2 stops13h 06mMultiple Airlines

Deal found 4/21

$180

Wed 4/309:00 amYYZ - LAS

1 stop9h 26mUnited Airlines

Mon 5/512:59 amLAS - YYZ

1 stop7h 35mUnited Airlines

Deal found 4/21

$229

Wed 4/304:10 pmYTZ - LAS

1 stop7h 30mMultiple Airlines

Mon 5/511:25 pmLAS - YTZ

1 stop17h 37mMultiple Airlines

Deal found 4/21

$308

Fri 5/26:10 pmYYZ - LAS

1 stop8h 10mDelta

Thu 5/812:54 amLAS - YYZ

1 stop7h 46mDelta

Deal found 4/23

$337

Fri 5/23:10 pmYUL - LAS

1 stop9h 48mPorter Airlines

Wed 5/79:55 amLAS - YUL

1 stop7h 02mPorter Airlines

Deal found 4/22

$349

Sat 5/310:30 pmYYZ - LAS

1 stop23h 12mWestJet

Wed 5/711:30 amLAS - YYZ

1 stop9h 56mWestJet

Deal found 4/23

$233

Sun 5/46:33 amYOW - LAS

2 stops9h 26mUnited Airlines

Thu 5/811:30 pmLAS - YOW

2 stops10h 39mUnited Airlines

Deal found 4/23

$316

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 April 24, 2025.

Wed 6/47:00 amYYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 4/23

$97

Wed 6/411:00 amYYZ - LAS

1 stop9h 35mWestJet

Deal found 4/23

$98

Wed 5/77:00 amYTZ - LAS

1 stop7h 25mPorter Airlines

Deal found 4/23

$100

Wed 5/76:00 amYHM - LAS

1 stop9h 55mWestJet

Deal found 4/23

$105

Wed 6/116:00 amYKF - LAS

1 stop14h 35mWestJet

Deal found 4/23

$110

Sun 5/253:25 pmYTZ - LAS

1 stop9h 54mAir Canada

Deal found 4/23

$114

Wed 5/78:35 pmYYZ - LAS

Nonstop4h 55mAir Canada

Deal found 4/23

$118

Thu 5/87:50 amYOW - LAS

2 stops14h 48mWestJet

Deal found 4/23

$128

Tue 6/38:05 pmYYZ - LAS

Nonstop4h 53mAir Transat

Deal found 4/23

$129

Fri 5/94:40 pmYOW - LAS

1 stop8h 18mPorter Airlines

Deal found 4/23

$138

Tue 8/267:00 amYUL - LAS

2 stops15h 38mWestJet

Deal found 4/22

$138

Fri 5/167:50 pmYYZ - LAS

1 stop16h 10mUnited Airlines

Deal found 4/22

$139

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 6/11

12:00 pm-8:21 pm

1 stop11h 21m

Las Vegas Harry Reid Intl

Wed 6/18

6:20 pm-6:52 am

1 stop9h 32m

$152

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 5/12

8:05 pm-9:58 pm

Nonstop4h 53m

Las Vegas Harry Reid Intl

Fri 5/16

11:10 pm-6:35 am

Nonstop4h 25m

$155

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 4/29

6:00 am-5:35 pm

1 stop14h 35m

Las Vegas Harry Reid Intl

Tue 5/6

1:45 pm-12:46 am

1 stop8h 01m

$161

HamiltonLas Vegas

YHM - LAS

YHMLAS

Hamilton

Wed 5/7

6:00 am-12:55 pm

1 stop9h 55m

Las Vegas Harry Reid Intl

Wed 5/14

1:45 pm-12:41 am

1 stop7h 56m

$169

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 5/7

10:00 am-5:35 pm

1 stop10h 35m

Las Vegas Harry Reid Intl

Wed 5/14

9:55 am-5:20 pm

Nonstop4h 25m

$170

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 5/7

4:30 pm-10:19 pm

1 stop8h 49m

Las Vegas Harry Reid Intl

Mon 5/12

11:20 pm-10:39 am

1 stop8h 19m

$188

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Tue 5/6

12:25 pm-10:12 pm

2 stops12h 47m

Las Vegas Harry Reid Intl

Tue 5/13

11:30 pm-8:37 pm

2 stops18h 07m

$207

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 5/13

8:35 am-2:53 pm

1 stop9h 18m

Las Vegas Harry Reid Intl

Tue 5/13

6:20 pm-7:00 am

1 stop9h 40m

$208

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 5/12

3:45 pm-10:42 pm

1 stop9h 57m

Las Vegas Harry Reid Intl

Mon 5/12

12:59 am-5:35 pm

2 stops13h 36m

$212

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 6/17

3:35 pm-9:30 pm

1 stop8h 55m

Las Vegas Harry Reid Intl

Thu 6/19

11:30 am-12:41 am

1 stop10h 11m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 60 results

...

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.

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

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

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $198). Flying from Region of Ontario to Las Vegas in March is currently the most expensive (average of $269). 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?

When flying from Region of Ontario to Las Vegas, 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 Region of Ontario to Las Vegas

The most flights from CAON to LAS are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Las Vegas by month

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from Ontario to Las Vegas have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,918 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Porter Airlines

8.0

Very good

284 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Air Transat

7.8

Good

385 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly into for flights to Las Vegas from Ontario?
If you book a flight to Las Vegas from Ontario, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas.
What are the cheapest airlines to fly from Region of Ontario to Las Vegas one-way?
The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from WestJet and Air Canada, as they are both options that can get you from Region of Ontario to Las Vegas for a low price.
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?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to Las Vegas on time: Air Canada Rouge (76%), Air France (75%), Delta (75%).
What are the cheapest flights from Region of Ontario to Las Vegas?
The cheapest flight price from Region of Ontario to Las Vegas is $91. On average you can expect to pay $215. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $149.
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, August is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $198). Flying from Region of Ontario to Las Vegas in March is currently the most expensive (average of $269). 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

Henderson

Paradise

North Las Vegas

Sunrise Manor

Winchester

Primm

Mount Charleston

Kingman

Mesquite

Pahrump

Needles

Boulder City

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Top 8 airlines flying from Ontario to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Flair Airlines	Cheapest$102	Average$194	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$115	Average$287	FlexibilityNo cancel fee	On-time60%
Air Canada	Cheapest$127	Average$357	FlexibilityNo cancel fee	On-time67%
Porter Airlines	Cheapest$133	Average$284	FlexibilityNo cancel fee	On-time52%
Air Transat	Cheapest$155	Average$349	FlexibilityNo cancel fee	On-time50%
United Airlines	Cheapest$167	Average$353	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$201	Average$324	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$285	Average$525	FlexibilityNo cancel fee	On-timeN/A

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$97+ Cheap flights from Ontario to Las Vegas (LAS)

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Las Vegas with Cheapflights

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Cheap flight deals from Ontario to Las Vegas

Keep the following information in mind while searching for Ontario to Las Vegas flight deals. Data was last updated April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 April 24, 2025.

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 April 24, 2025.

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

Everything you need to know about your flight from Ontario to Las Vegas

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 April 24, 2025.

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 April 24, 2025.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

Reviews of airlines servicing Las Vegas

See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from Ontario to Las Vegas have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Las Vegas. 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 into for flights to Las Vegas from Ontario?

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?

Traveling to a place near Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Las Vegas

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

Top 8 airlines flying from Ontario to Las Vegas

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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 April 24, 2025.