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$ 72 on WestJet. Other airlines that offer cheap prices include United Airlines from C$ 81 and Air Canada from C$ 82 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 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$ 229, our data indicates the cheapest price to be C$ 73. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 163.

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 Rouge (81%), Delta (65%) and WestJet (65%).

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

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

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

To save up to 49% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Las Vegas to Region of Ontario from C$ 189 1-2 weeks out and tickets from C$ 616 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of February. Prices to Region of Ontario from Las Vegas average C$ 355. You can even find prices in February for less than C$ 355, as users have found deals to Region of Ontario from as low as C$ 107. The month of July appears to be one of the more expensive times to travel to Region of Ontario from Las Vegas. Flying in the targeted month can save you up to 34%.

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.

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.

C$ 72+ Flights from Las Vegas to Ontario

Cheap flight deals from Las Vegas to Ontario

Round-trip from	C$ 138
One-way from	C$ 72
Popular in	July
Cheapest in	February
Average price	C$ 307
Good round-trip deal	C$ 123 or less
Good one-way deal	C$ 143 or less

WestJet
11/9-14/9
3 total stops
19h 56m total
Las Vegas to Ontario

Search Deals

WestJet
2/5
2 total stops
11h 41m total
Las Vegas to Ontario

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (C$ 86 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 17 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 Las Vegas Harry Reid Intl to Ontario.

Search Deals

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

Search Deals

Find flight deals from Las Vegas to Ontario

Cheapest flights from Las Vegas to Ontario
Explore the most affordable flight options available from Las Vegas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Thu 11/98:00 a.m.LAS - YKF

1 stop7h 55mWestJet

Sun 14/96:00 a.m.YKF - LAS

2 stops12h 01mWestJet

Deal found 15/4C$ 138

Fri 23/51:25 p.m.LAS - YYZ

2 stops13h 26mWestJet

Tue 27/52:00 p.m.YYZ - LAS

1 stop9h 21mWestJet

Deal found 15/4C$ 153

Thu 1/59:10 a.m.LAS - YTZ

1 stop7h 17mPorter Airlines

Sun 11/57:00 a.m.YTZ - LAS

1 stop7h 25mPorter Airlines

Deal found 14/4C$ 156

Tue 3/61:25 p.m.LAS - YYZ

2 stops13h 26mMultiple Airlines

Sat 14/67:00 a.m.YYZ - LAS

Nonstop4h 53mMultiple Airlines

Deal found 15/4C$ 157

Thu 11/910:00 a.m.LAS - YHM

2 stops11h 40mWestJet

Sun 14/96:00 a.m.YHM - LAS

2 stops12h 01mWestJet

Deal found 15/4C$ 170

Mon 5/511:20 p.m.LAS - YTZ

1 stop9h 27mAir Canada

Mon 12/55:25 p.m.YTZ - LAS

1 stop7h 54mAir Canada

Deal found 14/4C$ 171

Fri 2/59:55 a.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Tue 6/51:50 p.m.YYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 15/4C$ 202

Sat 6/911:30 p.m.LAS - YYZ

Nonstop4h 20mAir Canada

Sat 13/98:00 a.m.YYZ - LAS

1 stop10h 48mAir Canada

Deal found 15/4C$ 209

Thu 1/512:59 a.m.LAS - YYZ

1 stop7h 35mUnited Airlines

Tue 6/52:10 p.m.YYZ - LAS

1 stop7h 18mUnited Airlines

Deal found 15/4C$ 238

Thu 1/59:10 a.m.LAS - YTZ

1 stop7h 17mMultiple Airlines

Sun 11/57:00 a.m.YTZ - LAS

2 stops16h 21mMultiple Airlines

Deal found 14/4C$ 296

Fri 16/512:20 p.m.LAS - YOW

Nonstop4h 35mMultiple Airlines

Wed 21/55:55 p.m.YOW - LAS

1 stop7h 35mMultiple Airlines

Deal found 15/4C$ 306

Thu 1/59:55 a.m.LAS - YUL

1 stop7h 02mPorter Airlines

Wed 7/510:00 a.m.YUL - LAS

1 stop8h 43mPorter Airlines

Deal found 14/4C$ 324

Best flights from Las Vegas to Ontario
Discover carefully curated flight deals from Las Vegas to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Thu 11/98:00 a.m.LAS - YKF

1 stop7h 55mWestJet

Sun 14/96:00 a.m.YKF - LAS

2 stops12h 01mWestJet

Deal found 15/4C$ 138

Thu 1/59:10 a.m.LAS - YTZ

1 stop7h 17mPorter Airlines

Sun 11/57:00 a.m.YTZ - LAS

1 stop7h 25mPorter Airlines

Deal found 14/4C$ 156

Tue 3/61:25 p.m.LAS - YYZ

2 stops13h 26mMultiple Airlines

Sat 14/67:00 a.m.YYZ - LAS

Nonstop4h 53mMultiple Airlines

Deal found 15/4C$ 157

Mon 5/511:20 p.m.LAS - YTZ

1 stop9h 27mAir Canada

Mon 12/55:25 p.m.YTZ - LAS

1 stop7h 54mAir Canada

Deal found 14/4C$ 171

Thu 1/512:59 a.m.LAS - YYZ

1 stop7h 35mUnited Airlines

Tue 6/52:10 p.m.YYZ - LAS

1 stop7h 18mUnited Airlines

Deal found 15/4C$ 238

Fri 23/51:25 p.m.LAS - YYZ

2 stops13h 26mWestJet

Tue 27/52:00 p.m.YYZ - LAS

1 stop9h 21mWestJet

Deal found 15/4C$ 153

Thu 1/512:59 a.m.LAS - YYZ

1 stop8h 41mAmerican Airlines

Fri 9/51:29 p.m.YYZ - LAS

1 stop10h 18mAmerican Airlines

Deal found 15/4C$ 350

Thu 11/910:00 a.m.LAS - YHM

2 stops11h 40mWestJet

Sun 14/96:00 a.m.YHM - LAS

2 stops12h 01mWestJet

Deal found 15/4C$ 170

Fri 2/59:55 a.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Tue 6/51:50 p.m.YYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 15/4C$ 202

Sat 6/911:30 p.m.LAS - YYZ

Nonstop4h 20mAir Canada

Sat 13/98:00 a.m.YYZ - LAS

1 stop10h 48mAir Canada

Deal found 15/4C$ 209

Thu 15/512:54 a.m.LAS - YYZ

1 stop7h 46mDelta

Sun 25/59:45 a.m.YYZ - LAS

Nonstop4h 54mDelta

Deal found 15/4C$ 474

Thu 1/59:10 a.m.LAS - YTZ

1 stop7h 17mMultiple Airlines

Sun 11/57:00 a.m.YTZ - LAS

2 stops16h 21mMultiple Airlines

Deal found 14/4C$ 296

Direct flights from Las Vegas to Ontario
Explore direct flight options from Las Vegas to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 April 2025.

Thu 11/912:35 p.m.LAS - YYZ

Nonstop4h 23mWestJet

Sun 14/99:45 a.m.YYZ - LAS

Nonstop4h 54mWestJet

Deal found 15/4C$ 167

Thu 8/511:10 p.m.LAS - YYZ

Nonstop4h 25mMultiple Airlines

Mon 12/59:45 a.m.YYZ - LAS

Nonstop4h 54mMultiple Airlines

Deal found 15/4C$ 170

Fri 2/59:55 a.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Tue 6/51:50 p.m.YYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 15/4C$ 202

Sat 6/911:30 p.m.LAS - YYZ

Nonstop4h 20mAir Canada

Sat 13/98:35 p.m.YYZ - LAS

Nonstop4h 40mAir Canada

Deal found 15/4C$ 203

Fri 16/512:20 p.m.LAS - YOW

Nonstop4h 35mMultiple Airlines

Wed 21/59:05 a.m.YOW - LAS

Nonstop5h 20mMultiple Airlines

Deal found 15/4C$ 332

Thu 1/57:00 a.m.LAS - YUL

Nonstop4h 52mAir Canada

Wed 7/57:45 p.m.YUL - LAS

Nonstop5h 34mAir Canada

Deal found 15/4C$ 396

Sat 10/54:45 p.m.LAS - YYZ

Nonstop4h 27mAir Transat

Tue 13/57:00 a.m.YYZ - LAS

Nonstop4h 53mAir Transat

Deal found 15/4C$ 673

Last-minute flights from Las Vegas to Ontario
Discover last-minute flight deals from Las Vegas to Ontario. Data last updated 15 April 2025 and is based on user searches.

Tue 22/412:59 a.m.LAS - YYZ

1 stop12h 15mMultiple Airlines

Wed 23/48:10 p.m.YYZ - LAS

Nonstop4h 57mMultiple Airlines

Deal found 15/4C$ 273

Tue 22/412:30 a.m.LAS - YYZ

1 stop8h 14mUnited Airlines

Wed 23/42:45 p.m.YYZ - LAS

2 stops12h 14mUnited Airlines

Deal found 15/4C$ 367

Wed 23/49:05 a.m.LAS - YTZ

1 stop6h 48mPorter Airlines

Sun 27/41:50 p.m.YTZ - LAS

1 stop9h 50mPorter Airlines

Deal found 14/4C$ 331

Thu 24/49:13 a.m.LAS - YTZ

1 stop8h 04mMultiple Airlines

Sun 27/41:50 p.m.YTZ - LAS

1 stop9h 50mMultiple Airlines

Deal found 14/4C$ 663

Thu 24/412:59 a.m.LAS - YUL

1 stop10h 56mAmerican Airlines

Mon 28/43:44 p.m.YUL - LAS

1 stop10h 13mAmerican Airlines

Deal found 15/4C$ 780

Fri 25/410:55 a.m.LAS - YOW

1 stop7h 40mAir Canada

Mon 28/45:15 a.m.YOW - LAS

1 stop7h 57mAir Canada

Deal found 15/4C$ 417

Fri 25/411:25 p.m.LAS - YUL

1 stop22h 14mMultiple Airlines

Mon 28/410:00 a.m.YUL - LAS

2 stops13h 40mMultiple Airlines

Deal found 15/4C$ 502

Fri 25/411:25 p.m.LAS - YUL

1 stop22h 14mWestJet

Mon 28/46:20 p.m.YUL - LAS

2 stops21h 15mWestJet

Deal found 15/4C$ 505

Fri 25/410:35 p.m.LAS - YOW

1 stop6h 45mMultiple Airlines

Mon 28/45:15 p.m.YOW - LAS

2 stops22h 20mMultiple Airlines

Deal found 15/4C$ 506

Fri 25/49:10 p.m.LAS - YOW

2 stops24h 34mWestJet

Mon 28/45:15 p.m.YOW - LAS

2 stops22h 20mWestJet

Deal found 15/4C$ 558

Fri 25/410:35 p.m.LAS - YOW

1 stop6h 45mPorter Airlines

Mon 28/46:10 p.m.YOW - LAS

Nonstop5h 30mPorter Airlines

Deal found 15/4C$ 565

Fri 25/47:00 a.m.LAS - YUL

Nonstop4h 40mAir Canada

Mon 28/45:15 p.m.YUL - LAS

1 stop7h 52mAir Canada

Deal found 15/4C$ 648

One-way flights from Las Vegas to Ontario
Search for one-way flight options from Las Vegas to Ontario. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Fri 2/510:00 a.m.LAS - YHM

2 stops11h 41mWestJet

Deal found 14/4C$ 72

Tue 5/88:00 a.m.LAS - YKF

1 stop7h 56mWestJet

Deal found 14/4C$ 81

Fri 30/55:50 a.m.LAS - YYZ

1 stop9h 05mUnited Airlines

Deal found 15/4C$ 81

Wed 7/511:20 p.m.LAS - YTZ

1 stop9h 27mAir Canada

Deal found 15/4C$ 82

Tue 6/512:10 p.m.LAS - YYZ

Nonstop4h 27mAir Canada

Deal found 15/4C$ 82

Mon 12/51:25 p.m.LAS - YYZ

2 stops13h 26mWestJet

Deal found 15/4C$ 83

Fri 16/511:10 p.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Deal found 15/4C$ 106

Wed 23/49:05 a.m.LAS - YTZ

1 stop6h 48mPorter Airlines

Deal found 14/4C$ 125

Tue 22/411:24 p.m.LAS - YYZ

1 stop7h 56mAmerican Airlines

Deal found 15/4C$ 125

Fri 2/512:20 p.m.LAS - YOW

Nonstop4h 35mPorter Airlines

Deal found 15/4C$ 129

Fri 2/511:30 a.m.LAS - YOW

1 stop10h 12mWestJet

Deal found 15/4C$ 131

Sun 11/512:59 a.m.LAS - YYZ

2 stops18h 57mMultiple Airlines

Deal found 15/4C$ 147

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

Las VegasToronto

LAS - YKF

LASYKF

Las Vegas Harry Reid Intl

Thu 11/9

8:00 a.m.-6:55 p.m.

1 stop7h 55m

Toronto Region of Waterloo Intl

Sun 14/9

6:00 a.m.-3:01 p.m.

2 stops12h 01m

C$ 138

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 23/5

1:25 p.m.-5:51 a.m.

2 stops13h 26m

Toronto Pearson Intl

Tue 27/5

2:00 p.m.-8:21 p.m.

1 stop9h 21m

C$ 153

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Thu 1/5

9:10 a.m.-7:27 p.m.

1 stop7h 17m

Toronto Island

Sun 11/5

7:00 a.m.-11:25 a.m.

1 stop7h 25m

C$ 156

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 3/6

1:25 p.m.-5:51 a.m.

2 stops13h 26m

Toronto Pearson Intl

Sat 14/6

7:00 a.m.-8:53 a.m.

Nonstop4h 53m

C$ 157

Las VegasHamilton

LAS - YHM

LASYHM

Las Vegas Harry Reid Intl

Thu 11/9

10:00 a.m.-12:40 a.m.

2 stops11h 40m

Hamilton

Sun 14/9

6:00 a.m.-3:01 p.m.

2 stops12h 01m

C$ 170

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Mon 5/5

11:20 p.m.-11:47 a.m.

1 stop9h 27m

Toronto Island

Mon 12/5

5:25 p.m.-10:19 p.m.

1 stop7h 54m

C$ 171

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 2/5

9:55 a.m.-5:20 p.m.

Nonstop4h 25m

Toronto Pearson Intl

Tue 6/5

1:50 p.m.-3:43 p.m.

Nonstop4h 53m

C$ 202

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Sat 6/9

11:30 p.m.-6:50 a.m.

Nonstop4h 20m

Toronto Pearson Intl

Sat 13/9

8:00 a.m.-3:48 p.m.

1 stop10h 48m

C$ 209

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 1/5

12:59 a.m.-11:34 a.m.

1 stop7h 35m

Toronto Pearson Intl

Tue 6/5

2:10 p.m.-6:28 p.m.

1 stop7h 18m

C$ 238

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Thu 1/5

9:10 a.m.-7:27 p.m.

1 stop7h 17m

Toronto Island

Sun 11/5

7:00 a.m.-8:21 p.m.

2 stops16h 21m

C$ 296

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 55 results

...

Best time to book a flight from Las Vegas to Ontario

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

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of C$ 167). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 258). 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?

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

The most flights from LAS to CAON are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Ontario by month

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

To help decide which airline to fly from Las Vegas to Ontario, see what other customers have to say about Alaska Airlines, Porter Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,876 reviews

Check prices

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

9,876 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Check prices

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

281 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Check prices

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

7,917 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Check prices

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

9,876 reviews

Check prices

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

8,658 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Check prices

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 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.
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$ 72 on WestJet. Other airlines that offer cheap prices include United Airlines from C$ 81 and Air Canada from C$ 82 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 Rouge (81%), Delta (65%) and WestJet (65%).
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$ 229, our data indicates the cheapest price to be C$ 73. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 163.
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$ 167). Flying from Las Vegas to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

Alternative routes for Las Vegas to Ontario

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

London Airport car rentals

Thunder Bay Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

North Bay Airport car rentals

Direct flights to Canada

Top 3 airlines flying from Las Vegas to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 170	AverageC$ 647	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 222	AverageC$ 380	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 244	AverageC$ 426	FlexibilityNo cancel fee	On-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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Cheap flights from Las Vegas to Ontario from C$ 72

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Las Vegas to Ontario

Keep the following information in mind while searching for Las Vegas to Ontario flight deals. Data was last updated 15 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Las Vegas to Ontario

Cheapest flights from Las Vegas to OntarioExplore the most affordable flight options available from Las Vegas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Explore the most affordable flight options available from Las Vegas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Cheapflights Fare Finder

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

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.

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?

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

Find hourly flight availability from Las Vegas to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

Weekly flight availability from Las Vegas to Region of Ontario

Explore weekly flight availability from Las Vegas to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 April 2025.

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

To help decide which airline to fly from Las Vegas to Ontario, see what other customers have to say about Alaska Airlines, Porter Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

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

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

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

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Alternative routes for Las Vegas to Ontario

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

Top 3 airlines flying from Las Vegas to Ontario

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Cheapest flights from Las Vegas to Ontario
Explore the most affordable flight options available from Las Vegas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.