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

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from Porter Airlines 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 $92. On average you can expect to pay $193. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $119.

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 (100%), Air France (64%), Delta (64%).

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 Canada Jetlines 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 49% by booking at least 45 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 $265.

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 $278 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+ Save on Flights from Ontario to Las Vegas

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Ontario to Las Vegas with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Las Vegas

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$142 (Trip.com)
One-way from	$97 (Justfly.com)
Popular in	December
Cheapest in	January
Average price	$227
Good round-trip deal	$94 or less
Good one-way deal	$111 or less

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

Search Deals

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

Search Deals

From Ontario to Las Vegas Harry Reid Intl

Search Deals

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

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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

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 February 22, 2025.

Sun 4/68:00 pmYYZ - LAS

Nonstop5h 13mWestJet

Wed 4/91:20 pmLAS - YYZ

1 stop8h 06mWestJet

Deal found 2/21

$142

Mon 3/102:00 pmYYZ - LAS

1 stop9h 40mPorter Airlines

Fri 3/1410:35 pmLAS - YYZ

Nonstop4h 20mPorter Airlines

Deal found 2/22

$144

Tue 2/257:25 pmYYZ - LAS

Nonstop5h 03mMultiple Airlines

Wed 3/56:30 pmLAS - YYZ

1 stop8h 47mMultiple Airlines

Deal found 2/22

$146

Mon 3/244:10 pmYTZ - LAS

1 stop7h 30mPorter Airlines

Wed 4/29:10 amLAS - YTZ

1 stop6h 43mPorter Airlines

Deal found 2/22

$150

Tue 4/87:30 amYYZ - LAS

1 stop11h 20mAir Canada

Tue 4/1511:59 pmLAS - YYZ

1 stop6h 59mAir Canada

Deal found 2/22

$151

Tue 4/226:55 pmYYZ - LAS

1 stop8h 54mUnited Airlines

Tue 4/2912:59 amLAS - YYZ

1 stop7h 31mUnited Airlines

Deal found 2/21

$160

Wed 4/27:25 amYTZ - LAS

2 stops14h 08mAir Canada

Wed 4/95:10 pmLAS - YTZ

2 stops18h 40mAir Canada

Deal found 2/21

$165

Tue 3/257:25 pmYYZ - LAS

Nonstop5h 05mAir Transat

Tue 4/19:00 amLAS - YYZ

Nonstop4h 17mAir Transat

Deal found 2/21

$177

Tue 4/810:10 amYQT - LAS

1 stop12h 43mPorter Airlines

Tue 4/1510:35 pmLAS - YQT

2 stops10h 19mPorter Airlines

Deal found 2/22

$180

Tue 3/111:30 pmYUL - LAS

2 stops10h 24mWestJet

Tue 3/188:40 amLAS - YUL

2 stops12h 59mWestJet

Deal found 2/22

$186

Tue 4/85:35 pmYQT - LAS

2 stops20h 58mUnited Airlines

Tue 4/156:20 pmLAS - YQT

3 stops19h 19mUnited Airlines

Deal found 2/22

$186

Tue 4/86:45 pmYQG - LAS

2 stops19h 48mAir Canada

Tue 4/156:01 amLAS - YQG

2 stops9h 08mAir Canada

Deal found 2/22

$203

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 February 22, 2025.

Sun 4/68:00 pmYYZ - LAS

Nonstop5h 13mWestJet

Wed 4/91:20 pmLAS - YYZ

1 stop8h 06mWestJet

Deal found 2/21

$142

Mon 3/102:00 pmYYZ - LAS

1 stop9h 40mPorter Airlines

Fri 3/1410:35 pmLAS - YYZ

Nonstop4h 20mPorter Airlines

Deal found 2/22

$144

Tue 2/257:25 pmYYZ - LAS

Nonstop5h 03mMultiple Airlines

Wed 3/56:30 pmLAS - YYZ

1 stop8h 47mMultiple Airlines

Deal found 2/22

$146

Tue 4/87:30 amYYZ - LAS

1 stop11h 20mAir Canada

Tue 4/1511:59 pmLAS - YYZ

1 stop6h 59mAir Canada

Deal found 2/22

$151

Tue 4/226:55 pmYYZ - LAS

1 stop8h 54mUnited Airlines

Tue 4/2912:59 amLAS - YYZ

1 stop7h 31mUnited Airlines

Deal found 2/21

$160

Tue 3/257:25 pmYYZ - LAS

Nonstop5h 05mAir Transat

Tue 4/19:00 amLAS - YYZ

Nonstop4h 17mAir Transat

Deal found 2/21

$177

Tue 3/252:15 pmYUL - LAS

1 stop11h 38mAmerican Airlines

Tue 4/1511:44 pmLAS - YUL

1 stop9h 00mAmerican Airlines

Deal found 2/22

$209

Sat 3/154:00 pmYUL - LAS

1 stop9h 34mBritish Airways

Mon 3/247:40 pmLAS - YUL

2 stops14h 50mBritish Airways

Deal found 2/21

$261

Fri 5/93:59 pmYYZ - LAS

1 stop7h 01mDelta

Tue 5/1312:35 amLAS - YYZ

1 stop6h 54mDelta

Deal found 2/21

$268

Tue 2/254:20 pmYYZ - LAS

1 stop9h 20mAlaska Airlines

Fri 2/2810:34 amLAS - YYZ

1 stop25h 21mAlaska Airlines

Deal found 2/21

$287

Wed 4/24:10 pmYTZ - LAS

1 stop7h 30mPorter Airlines

Wed 4/99:10 amLAS - YTZ

1 stop6h 43mPorter Airlines

Deal found 2/21

$151

Sun 3/169:05 pmYKF - LAS

1 stop24h 20mFlair Airlines

Fri 3/217:10 pmLAS - YKF

1 stop8h 30mFlair Airlines

Deal found 2/21

$320

Last-minute flights from Ontario to Las Vegas
Discover last-minute flight deals from Ontario to Las Vegas. Data last updated February 22, 2025 and is based on user searches.

Tue 2/258:00 pmYYZ - LAS

Nonstop5h 13mWestJet

Wed 3/58:40 amLAS - YYZ

1 stop9h 31mWestJet

Deal found 2/21

$150

Tue 2/256:30 pmYYZ - LAS

1 stop8h 00mUnited Airlines

Mon 3/312:59 amLAS - YYZ

1 stop7h 27mUnited Airlines

Deal found 2/21

$160

Thu 2/271:10 pmYYZ - LAS

Nonstop5h 03mAir Transat

Sun 3/210:35 pmLAS - YYZ

Nonstop4h 20mAir Transat

Deal found 2/22

$267

Fri 2/286:15 pmYYZ - LAS

1 stop8h 25mDelta

Sat 3/812:30 amLAS - YYZ

1 stop9h 03mDelta

Deal found 2/21

$282

Sun 3/27:25 pmYYZ - LAS

Nonstop5h 05mMultiple Airlines

Fri 3/71:20 pmLAS - YYZ

1 stop8h 06mMultiple Airlines

Deal found 2/22

$144

Sun 3/22:50 pmYOW - LAS

1 stop9h 40mPorter Airlines

Mon 3/39:10 amLAS - YOW

Nonstop4h 35mPorter Airlines

Deal found 2/21

$213

Sun 3/24:20 pmYYZ - LAS

1 stop9h 49mAlaska Airlines

Wed 3/59:05 amLAS - YYZ

2 stops26h 50mAlaska Airlines

Deal found 2/22

$297

Mon 3/37:25 pmYYZ - LAS

Nonstop5h 05mPorter Airlines

Thu 3/610:35 pmLAS - YYZ

Nonstop4h 20mPorter Airlines

Deal found 2/21

$145

Mon 3/34:10 pmYTZ - LAS

1 stop7h 30mPorter Airlines

Wed 3/59:10 amLAS - YTZ

1 stop6h 43mPorter Airlines

Deal found 2/21

$157

Mon 3/36:30 amYYZ - LAS

1 stop16h 48mWestJet

Tue 3/411:25 pmLAS - YYZ

Nonstop4h 20mWestJet

Deal found 2/20

$161

Mon 3/311:25 amYOW - LAS

1 stop13h 33mUnited Airlines

Mon 3/312:50 amLAS - YOW

1 stop6h 41mUnited Airlines

Deal found 2/21

$227

Mon 3/36:10 pmYOW - LAS

Nonstop5h 30mMultiple Airlines

Thu 3/61:20 pmLAS - YOW

1 stop8h 24mMultiple Airlines

Deal found 2/22

$234

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 February 22, 2025.

Mon 3/171:50 pmYYZ - LAS

1 stop10h 04mWestJet

Deal found 2/22

$97

Wed 4/24:10 pmYTZ - LAS

1 stop7h 30mPorter Airlines

Deal found 2/21

$98

Tue 2/2511:20 amYYZ - LAS

1 stop10h 50mAir Canada

Deal found 2/22

$98

Tue 3/115:00 amYQT - LAS

2 stops13h 40mUnited Airlines

Deal found 2/21

$100

Tue 3/253:25 pmYTZ - LAS

1 stop9h 28mAir Canada

Deal found 2/21

$102

Wed 2/2611:00 amYYZ - LAS

1 stop7h 54mUnited Airlines

Deal found 2/22

$108

Fri 3/212:00 pmYYZ - LAS

1 stop9h 40mPorter Airlines

Deal found 2/21

$111

Mon 4/77:25 pmYYZ - LAS

Nonstop5h 03mAir Transat

Deal found 2/21

$115

Wed 3/56:10 pmYOW - LAS

Nonstop5h 30mPorter Airlines

Deal found 2/21

$121

Mon 3/172:45 pmYOW - LAS

1 stop10h 08mAir Canada

Deal found 2/20

$128

Wed 3/56:10 pmYOW - LAS

Nonstop5h 30mAir Transat

Deal found 2/21

$130

Wed 3/55:00 pmYOW - LAS

1 stop7h 58mUnited Airlines

Deal found 2/21

$137

Find flights from Ontario to Las Vegas within your budget

Fly from

Fly to

Route

Depart

Return

Price

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 3/17

1:50 pm-8:54 pm

1 stop10h 04m

Las Vegas Harry Reid Intl

Thu 4/3

11:25 pm-6:43 am

Nonstop4h 18m

$142

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 3/24

2:00 pm-8:40 pm

1 stop9h 40m

Las Vegas Harry Reid Intl

Mon 3/31

10:35 pm-5:55 am

Nonstop4h 20m

$144

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 3/25

10:00 am-5:44 pm

1 stop10h 44m

Las Vegas Harry Reid Intl

Thu 3/27

10:35 pm-5:55 am

Nonstop4h 20m

$146

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 2/25

11:20 am-7:10 pm

1 stop10h 50m

Las Vegas Harry Reid Intl

Tue 3/4

8:10 am-8:50 pm

1 stop9h 40m

$147

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Mon 3/24

4:10 pm-8:40 pm

1 stop7h 30m

Las Vegas Harry Reid Intl

Wed 4/2

9:10 am-6:53 pm

1 stop6h 43m

$150

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 4/22

6:55 pm-12:49 am

1 stop8h 54m

Las Vegas Harry Reid Intl

Tue 4/29

12:59 am-11:30 am

1 stop7h 31m

$160

TorontoLas Vegas

YTZ - LAS

YTZLAS

Toronto Island

Wed 4/2

7:25 am-6:33 pm

2 stops14h 08m

Las Vegas Harry Reid Intl

Wed 4/9

5:10 pm-2:50 pm

2 stops18h 40m

$165

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 2/26

7:25 pm-9:28 pm

Nonstop5h 03m

Las Vegas Harry Reid Intl

Mon 3/3

4:15 pm-11:32 pm

Nonstop4h 17m

$172

Thunder BayLas Vegas

YQT - LAS

YQTLAS

Thunder Bay

Tue 4/8

10:10 am-7:53 pm

1 stop12h 43m

Las Vegas Harry Reid Intl

Tue 4/15

10:35 pm-11:54 am

2 stops10h 19m

$180

MontrealLas Vegas

YUL - LAS

YULLAS

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

1:30 pm-8:54 pm

2 stops10h 24m

Las Vegas Harry Reid Intl

Tue 3/18

8:40 am-12:39 am

2 stops12h 59m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from Ontario to Las Vegas

Get recent, data-driven insights about flights from Ontario to Las Vegas including ideal travel times, pricing trends, and more.

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 (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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, Delta and Porter Airlines 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

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,700 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,203 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Porter Airlines

7.9

Good

277 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air Transat

7.8

Good

382 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,754 reviews

Alaska Airlines

8.0

Very good

9,700 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 WestJet, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from Porter Airlines 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 (100%), Air France (64%), Delta (64%).
What are the cheapest flights from Region of Ontario to Las Vegas?
The cheapest flight price from Region of Ontario to Las Vegas is $92. On average you can expect to pay $193. The most popular route, (Toronto Pearson Intl - Las Vegas Harry Reid Intl), can usually be booked for $119.
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

Sunrise Manor

North Las Vegas

Winchester

Kingman

Primm

Mesquite

Needles

Mount Charleston

Pahrump

Boulder City

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Ontario to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$106	Average$339	FlexibilityNo cancel fee	On-time52%
WestJet	Cheapest$115	Average$313	FlexibilityNo cancel fee	On-time60%
Flair Airlines	Cheapest$120	Average$281	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$127	Average$412	FlexibilityNo cancel fee	On-time67%
Canada Jetlines	Cheapest$128	Average$376	FlexibilityNo cancel fee	On-time58%
United Airlines	Cheapest$179	Average$384	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$201	Average$325	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$222	Average$499	FlexibilityNo cancel fee	On-timeN/A
Air Transat	Cheapest$235	Average$402	FlexibilityNo cancel fee	On-time50%

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.

$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 3/17. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 February 22, 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 February 22, 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 February 22, 2025.

Find flights from Ontario to Las Vegas within your budget

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.

Travel insights for flights from Ontario to Las Vegas

Get recent, data-driven insights about flights from Ontario to Las Vegas including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 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, Delta and Porter Airlines 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

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.

Top 9 airlines flying from Ontario to Las Vegas

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 February 22, 2025.