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$ 89 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 97 and Air Canada from C$ 126 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$ 227, our data indicates the cheapest price to be C$ 78. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 240.

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 (78%), Delta (69%) and WestJet (69%).

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 52% 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$ 193 1-2 weeks out and tickets from C$ 614 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$ 352. You can even find prices in February for less than C$ 352, 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 35%.

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$ 89+ Flights from Las Vegas to Ontario

Cheap flight deals from Las Vegas to Ontario

Round-trip from	C$ 244
One-way from	C$ 89
Popular in	July
Cheapest in	February
Average price	C$ 306
Good round-trip deal	C$ 113 or less
Good one-way deal	C$ 143 or less

Porter Airlines
16/5-20/5
Nonstop
9h 18m total
Las Vegas to Ontario

Search Deals

WestJet
17/6
2 total stops
13h 26m total
Las Vegas to Ontario

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 86 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 16 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 29 April 2025.

Fri 16/59:55 a.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Tue 20/51:50 p.m.YYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 28/4C$ 244

Thu 15/510:00 a.m.LAS - YKF

2 stops11h 46mWestJet

Mon 19/56:00 a.m.YKF - LAS

1 stop9h 55mWestJet

Deal found 28/4C$ 252

Mon 12/511:30 p.m.LAS - YYZ

Nonstop4h 19mMultiple Airlines

Tue 20/57:00 a.m.YYZ - LAS

Nonstop4h 53mMultiple Airlines

Deal found 28/4C$ 254

Wed 11/68:00 a.m.LAS - YYZ

2 stops13h 33mWestJet

Wed 18/610:00 a.m.YYZ - LAS

1 stop10h 35mWestJet

Deal found 28/4C$ 256

Fri 16/511:20 p.m.LAS - YYZ

1 stop9h 19mAir Canada

Sun 25/54:00 p.m.YYZ - LAS

1 stop9h 19mAir Canada

Deal found 28/4C$ 274

Wed 11/612:20 p.m.LAS - YOW

Nonstop4h 35mMultiple Airlines

Sun 15/63:45 p.m.YOW - LAS

1 stop8h 45mMultiple Airlines

Deal found 28/4C$ 317

Wed 11/66:20 p.m.LAS - YOW

1 stop9h 25mWestJet

Sun 15/63:45 p.m.YOW - LAS

1 stop8h 45mWestJet

Deal found 28/4C$ 319

Fri 30/59:25 a.m.LAS - YTZ

1 stop8h 07mMultiple Airlines

Sun 1/67:00 a.m.YTZ - LAS

1 stop7h 25mMultiple Airlines

Deal found 28/4C$ 334

Thu 15/512:59 a.m.LAS - YYZ

1 stop7h 35mUnited Airlines

Tue 20/53:00 p.m.YYZ - LAS

1 stop9h 34mUnited Airlines

Deal found 28/4C$ 334

Fri 16/511:30 p.m.LAS - YTZ

2 stops12h 20mAir Canada

Sun 25/57:25 a.m.YTZ - LAS

2 stops10h 32mAir Canada

Deal found 28/4C$ 344

Thu 12/611:55 p.m.LAS - YYZ

1 stop9h 45mAmerican Airlines

Fri 13/63:45 p.m.YYZ - LAS

1 stop9h 22mAmerican Airlines

Deal found 28/4C$ 351

Tue 22/71:25 p.m.LAS - YUL

1 stop14h 43mWestJet

Tue 29/77:00 a.m.YUL - LAS

2 stops15h 38mWestJet

Deal found 27/4C$ 362

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 29 April 2025.

Fri 16/59:55 a.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Tue 20/51:50 p.m.YYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 28/4C$ 244

Thu 15/510:00 a.m.LAS - YKF

2 stops11h 46mWestJet

Mon 19/56:00 a.m.YKF - LAS

1 stop9h 55mWestJet

Deal found 28/4C$ 252

Mon 12/511:30 p.m.LAS - YYZ

Nonstop4h 19mMultiple Airlines

Tue 20/57:00 a.m.YYZ - LAS

Nonstop4h 53mMultiple Airlines

Deal found 28/4C$ 254

Fri 16/511:20 p.m.LAS - YYZ

1 stop9h 19mAir Canada

Sun 25/54:00 p.m.YYZ - LAS

1 stop9h 19mAir Canada

Deal found 28/4C$ 274

Thu 15/512:59 a.m.LAS - YYZ

1 stop7h 35mUnited Airlines

Tue 20/58:45 a.m.YYZ - LAS

1 stop7h 14mUnited Airlines

Deal found 28/4C$ 334

Thu 12/611:55 p.m.LAS - YYZ

1 stop9h 45mAmerican Airlines

Fri 13/63:45 p.m.YYZ - LAS

1 stop9h 22mAmerican Airlines

Deal found 28/4C$ 351

Wed 11/612:59 a.m.LAS - YYZ

1 stop10h 31mLufthansa

Thu 19/610:45 a.m.YYZ - LAS

1 stop15h 00mLufthansa

Deal found 28/4C$ 362

Thu 12/66:31 p.m.LAS - YYZ

2 stops23h 13mFrontier

Thu 19/61:00 p.m.YYZ - LAS

1 stop13h 37mFrontier

Deal found 28/4C$ 388

Sun 11/57:30 p.m.LAS - YKF

2 stops31h 00mFlair Airlines

Sat 17/58:25 p.m.YKF - LAS

1 stop25h 20mFlair Airlines

Deal found 28/4C$ 417

Fri 20/612:50 a.m.LAS - YYZ

1 stop8h 05mDelta

Wed 25/63:31 p.m.YYZ - LAS

1 stop8h 53mDelta

Deal found 28/4C$ 442

Mon 2/64:33 p.m.LAS - YYZ

2 stops19h 27mAlaska Airlines

Mon 9/64:45 p.m.YYZ - LAS

1 stop10h 14mAlaska Airlines

Deal found 28/4C$ 443

Wed 11/68:00 a.m.LAS - YYZ

2 stops13h 33mWestJet

Wed 18/610:00 a.m.YYZ - LAS

1 stop10h 35mWestJet

Deal found 28/4C$ 256

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 29 April 2025.

Fri 16/59:55 a.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Tue 20/51:50 p.m.YYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 28/4C$ 244

Mon 12/511:30 p.m.LAS - YYZ

Nonstop4h 19mMultiple Airlines

Tue 20/57:00 a.m.YYZ - LAS

Nonstop4h 53mMultiple Airlines

Deal found 28/4C$ 254

Wed 15/1011:20 p.m.LAS - YYZ

Nonstop4h 20mAir Canada

Sun 19/108:35 p.m.YYZ - LAS

Nonstop4h 43mAir Canada

Deal found 28/4C$ 351

Wed 11/612:20 p.m.LAS - YOW

Nonstop4h 35mMultiple Airlines

Sun 15/69:05 a.m.YOW - LAS

Nonstop5h 20mMultiple Airlines

Deal found 28/4C$ 407

Thu 11/911:15 p.m.LAS - YUL

Nonstop4h 55mAir Canada

Tue 16/98:05 a.m.YUL - LAS

Nonstop5h 22mAir Canada

Deal found 28/4C$ 460

Wed 21/512:35 p.m.LAS - YYZ

Nonstop4h 24mWestJet

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

Nonstop4h 54mWestJet

Deal found 28/4C$ 467

Last-minute flights from Las Vegas to Ontario
Discover last-minute flight deals from Las Vegas to Ontario. Data last updated 29 April 2025 and is based on user searches.

Mon 5/512:59 a.m.LAS - YYZ

1 stop8h 31mAmerican Airlines

Tue 13/51:29 p.m.YYZ - LAS

1 stop8h 12mAmerican Airlines

Deal found 28/4C$ 571

Tue 6/57:02 p.m.LAS - YYZ

1 stop23h 01mMultiple Airlines

Tue 13/59:00 a.m.YYZ - LAS

2 stops13h 38mMultiple Airlines

Deal found 28/4C$ 466

Tue 6/510:30 a.m.LAS - YYZ

2 stops25h 30mAlaska Airlines

Tue 13/54:45 p.m.YYZ - LAS

2 stops19h 29mAlaska Airlines

Deal found 28/4C$ 626

Tue 6/57:00 a.m.LAS - YOW

1 stop11h 35mUnited Airlines

Fri 9/56:05 a.m.YOW - LAS

1 stop10h 24mUnited Airlines

Deal found 28/4C$ 682

Tue 6/56:05 a.m.LAS - YTZ

2 stops12h 15mMultiple Airlines

Tue 13/57:45 a.m.YTZ - LAS

1 stop9h 42mMultiple Airlines

Deal found 28/4C$ 764

Tue 6/51:45 p.m.LAS - YKF

1 stop8h 01mWestJet

Tue 13/56:00 a.m.YKF - LAS

1 stop18h 30mWestJet

Deal found 28/4C$ 926

Wed 7/512:59 a.m.LAS - YYZ

1 stop7h 35mUnited Airlines

Mon 12/512:10 p.m.YYZ - LAS

1 stop9h 02mUnited Airlines

Deal found 28/4C$ 518

Thu 8/58:35 a.m.LAS - YUL

1 stop25h 25mSun Country Air

Sun 11/59:00 a.m.YUL - LAS

1 stop25h 33mSun Country Air

Deal found 28/4C$ 546

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

Nonstop4h 25mPorter Airlines

Mon 12/57:00 a.m.YYZ - LAS

Nonstop4h 53mPorter Airlines

Deal found 28/4C$ 639

Thu 8/511:30 a.m.LAS - YYZ

2 stops10h 05mWestJet

Mon 12/53:30 p.m.YYZ - LAS

1 stop9h 00mWestJet

Deal found 28/4C$ 755

Fri 9/59:55 p.m.LAS - YUL

2 stops12h 55mMultiple Airlines

Sun 18/510:00 a.m.YUL - LAS

1 stop8h 43mMultiple Airlines

Deal found 28/4C$ 539

Fri 9/510:00 a.m.LAS - YUL

2 stops11h 43mWestJet

Sun 18/57:00 a.m.YUL - LAS

2 stops15h 38mWestJet

Deal found 28/4C$ 872

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 29 April 2025.

Tue 17/61:25 p.m.LAS - YYZ

2 stops13h 26mWestJet

Deal found 28/4C$ 89

Wed 28/59:55 a.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Deal found 28/4C$ 97

Sun 18/512:20 p.m.LAS - YTZ

1 stop7h 02mPorter Airlines

Deal found 28/4C$ 103

Mon 26/511:20 p.m.LAS - YYZ

1 stop9h 19mAir Canada

Deal found 28/4C$ 126

Sun 18/511:30 a.m.LAS - YHM

1 stop10h 11mWestJet

Deal found 28/4C$ 129

Mon 16/612:59 a.m.LAS - YYZ

1 stop7h 35mUnited Airlines

Deal found 28/4C$ 129

Sun 18/511:30 a.m.LAS - YKF

1 stop10h 16mWestJet

Deal found 28/4C$ 130

Wed 2/76:00 a.m.LAS - YYZ

3 stops20h 51mMultiple Airlines

Deal found 28/4C$ 133

Mon 2/611:47 p.m.LAS - YYZ

1 stop11h 43mAmerican Airlines

Deal found 28/4C$ 144

Tue 22/76:20 p.m.LAS - YOW

1 stop9h 25mWestJet

Deal found 27/4C$ 147

Tue 22/77:58 p.m.LAS - YOW

3 stops30h 27mMultiple Airlines

Deal found 27/4C$ 161

Mon 12/57:00 a.m.LAS - YOW

1 stop13h 53mUnited Airlines

Deal found 28/4C$ 168

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 - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 16/5

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

Nonstop4h 25m

Toronto Pearson Intl

Tue 20/5

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

Nonstop4h 53m

C$ 244

Las VegasToronto

LAS - YKF

LASYKF

Las Vegas Harry Reid Intl

Thu 15/5

10:00 a.m.-12:46 a.m.

2 stops11h 46m

Toronto Region of Waterloo Intl

Mon 19/5

6:00 a.m.-12:55 p.m.

1 stop9h 55m

C$ 252

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Mon 12/5

11:30 p.m.-6:49 a.m.

Nonstop4h 19m

Toronto Pearson Intl

Tue 20/5

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

Nonstop4h 53m

C$ 254

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 11/6

8:00 a.m.-12:33 a.m.

2 stops13h 33m

Toronto Pearson Intl

Wed 18/6

10:00 a.m.-5:35 p.m.

1 stop10h 35m

C$ 256

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 16/5

11:20 p.m.-11:39 a.m.

1 stop9h 19m

Toronto Pearson Intl

Sun 25/5

4:00 p.m.-10:19 p.m.

1 stop9h 19m

C$ 274

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 11/6

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

Ottawa

Sun 15/6

3:45 p.m.-9:30 p.m.

1 stop8h 45m

C$ 317

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 11/6

6:20 p.m.-6:45 a.m.

1 stop9h 25m

Ottawa

Sun 15/6

3:45 p.m.-9:30 p.m.

1 stop8h 45m

C$ 319

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 15/5

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

1 stop7h 35m

Toronto Pearson Intl

Tue 20/5

8:45 a.m.-12:59 p.m.

1 stop7h 14m

C$ 334

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Fri 30/5

9:25 a.m.-8:32 p.m.

1 stop8h 07m

Toronto Island

Sun 1/6

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

1 stop7h 25m

C$ 334

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Fri 16/5

11:30 p.m.-2:50 p.m.

2 stops12h 20m

Toronto Island

Sun 25/5

7:25 a.m.-2:57 p.m.

2 stops10h 32m

C$ 344

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 57 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.

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 Delta, Alaska Airlines and Porter Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines

8.0

Very good

9,961 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

8.0

Very good

285 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

385 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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$ 89 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 97 and Air Canada from C$ 126 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 (78%), Delta (69%) and WestJet (69%).
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$ 227, our data indicates the cheapest price to be C$ 78. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 240.
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$ 169	AverageC$ 644	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 221	AverageC$ 376	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 243	AverageC$ 420	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$ 89

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 17/6. 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 29 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 29 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 29 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 29 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 Delta, Alaska Airlines and Porter Airlines. 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

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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 29 April 2025.