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$ 112 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 118 and United Airlines from C$ 130 one-way.

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.

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).

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$ 361, our data indicates the cheapest price to be C$ 111. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 250.

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 France (88%), WestJet (82%) and Delta (81%).

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 43% on this flight, we recommend booking at least 36 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$ 236 1-2 weeks out and tickets from C$ 676 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$ 349. You can even find prices in February for less than C$ 349, as users have found deals to Region of Ontario from as low as C$ 106. 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 37%.

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$ 112+ Flights from Las Vegas to Ontario

Cheap flight deals from Las Vegas to Ontario

Round-trip from	C$ 246
One-way from	C$ 112
Popular in	July
Cheapest in	February
Average price	C$ 480
Good round-trip deal	C$ 190 or less
Good one-way deal	C$ 144 or less

Air Canada
30/9-1/10
1 total stop
14h 54m total
Las Vegas to Ontario

Search Deals

WestJet
2/10
2 total stops
13h 26m total
Las Vegas to Ontario

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (C$ 112 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 July 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 July 2025.

Thu 4/97:25 a.m.LAS - YYZ

1 stop8h 51mAir Canada

Wed 10/94:00 p.m.YYZ - LAS

1 stop9h 59mAir Canada

Deal found 29/7C$ 236

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

1 stop8h 22mWestJet

Thu 11/99:45 a.m.YYZ - LAS

Nonstop4h 54mWestJet

Deal found 27/7C$ 247

Wed 27/86:20 p.m.LAS - YYZ

1 stop8h 52mMultiple Airlines

Tue 2/99:30 a.m.YYZ - LAS

Nonstop4h 45mMultiple Airlines

Deal found 27/7C$ 254

Wed 1/1011:15 p.m.LAS - YTZ

1 stop9h 30mAir Canada

Fri 3/105:25 p.m.YTZ - LAS

1 stop7h 57mAir Canada

Deal found 29/7C$ 277

Wed 13/810:55 p.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Wed 27/88:05 p.m.YYZ - LAS

Nonstop4h 50mPorter Airlines

Deal found 28/7C$ 307

Mon 29/910:00 a.m.LAS - YKF

2 stops11h 45mWestJet

Thu 2/106:00 a.m.YKF - LAS

2 stops12h 01mWestJet

Deal found 29/7C$ 377

Fri 17/1011:15 p.m.LAS - YUL

Nonstop4h 55mAir Canada

Sun 19/108:05 a.m.YUL - LAS

Nonstop5h 20mAir Canada

Deal found 29/7C$ 390

Thu 4/912:20 p.m.LAS - YUL

1 stop9h 17mMultiple Airlines

Wed 10/97:00 a.m.YUL - LAS

2 stops16h 21mMultiple Airlines

Deal found 27/7C$ 392

Wed 10/912:35 p.m.LAS - YUL

1 stop8h 52mWestJet

Wed 17/97:00 a.m.YUL - LAS

2 stops16h 21mWestJet

Deal found 27/7C$ 395

Thu 28/810:00 a.m.LAS - YHM

2 stops11h 41mWestJet

Thu 4/96:00 a.m.YHM - LAS

2 stops12h 01mWestJet

Deal found 29/7C$ 403

Tue 26/810:55 p.m.LAS - YUL

1 stop7h 07mPorter Airlines

Tue 2/96:45 a.m.YUL - LAS

1 stop7h 30mPorter Airlines

Deal found 27/7C$ 413

Thu 2/107:30 p.m.LAS - YOW

1 stop16h 14mMultiple Airlines

Sat 4/103:45 p.m.YOW - LAS

1 stop8h 44mMultiple Airlines

Deal found 29/7C$ 417

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 July 2025.

Tue 30/94:50 p.m.LAS - YYZ

1 stop10h 11mAir Canada

Wed 1/109:25 a.m.YYZ - LAS

Nonstop4h 43mAir Canada

Deal found 29/7C$ 246

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

1 stop8h 22mWestJet

Thu 11/99:45 a.m.YYZ - LAS

Nonstop4h 54mWestJet

Deal found 27/7C$ 247

Wed 27/86:20 p.m.LAS - YYZ

1 stop8h 52mMultiple Airlines

Tue 2/99:30 a.m.YYZ - LAS

Nonstop4h 45mMultiple Airlines

Deal found 27/7C$ 254

Wed 13/810:55 p.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Wed 27/88:05 p.m.YYZ - LAS

Nonstop4h 50mPorter Airlines

Deal found 28/7C$ 307

Sat 6/911:20 p.m.LAS - YTZ

1 stop9h 25mAir Canada

Sun 7/93:25 p.m.YTZ - LAS

1 stop9h 47mAir Canada

Deal found 28/7C$ 310

Mon 29/910:00 a.m.LAS - YKF

2 stops11h 45mWestJet

Thu 2/106:00 a.m.YKF - LAS

2 stops12h 01mWestJet

Deal found 29/7C$ 377

Thu 4/912:20 p.m.LAS - YUL

1 stop9h 17mMultiple Airlines

Wed 10/97:00 a.m.YUL - LAS

2 stops16h 21mMultiple Airlines

Deal found 27/7C$ 392

Tue 26/810:55 p.m.LAS - YUL

1 stop7h 07mPorter Airlines

Tue 2/96:45 a.m.YUL - LAS

1 stop7h 30mPorter Airlines

Deal found 27/7C$ 413

Wed 10/98:00 a.m.LAS - YUL

2 stops13h 27mWestJet

Wed 17/97:00 a.m.YUL - LAS

2 stops16h 21mWestJet

Deal found 27/7C$ 394

Thu 4/911:25 a.m.LAS - YUL

Nonstop4h 55mAir Canada

Wed 10/98:05 a.m.YUL - LAS

Nonstop5h 22mAir Canada

Deal found 27/7C$ 409

Thu 2/107:30 p.m.LAS - YOW

1 stop16h 14mMultiple Airlines

Sat 4/103:45 p.m.YOW - LAS

1 stop8h 44mMultiple Airlines

Deal found 29/7C$ 417

Thu 28/810:00 a.m.LAS - YHM

2 stops11h 41mWestJet

Thu 4/96:00 a.m.YHM - LAS

2 stops12h 01mWestJet

Deal found 29/7C$ 403

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 July 2025.

Mon 8/912:35 p.m.LAS - YYZ

Nonstop4h 23mWestJet

Wed 10/99:45 a.m.YYZ - LAS

Nonstop4h 54mWestJet

Deal found 27/7C$ 252

Wed 10/912:20 p.m.LAS - YYZ

Nonstop4h 25mMultiple Airlines

Wed 17/99:45 a.m.YYZ - LAS

Nonstop4h 54mMultiple Airlines

Deal found 27/7C$ 255

Fri 26/911:20 p.m.LAS - YYZ

Nonstop4h 20mAir Canada

Sun 5/108:30 p.m.YYZ - LAS

Nonstop4h 43mAir Canada

Deal found 29/7C$ 272

Thu 4/912:20 p.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Tue 9/99:30 a.m.YYZ - LAS

Nonstop4h 45mPorter Airlines

Deal found 28/7C$ 277

Thu 4/911:25 a.m.LAS - YUL

Nonstop4h 55mAir Canada

Wed 10/98:05 a.m.YUL - LAS

Nonstop5h 22mAir Canada

Deal found 27/7C$ 409

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

Sun 3/811:30 a.m.LAS - YUL

1 stop10h 13mWestJet

Tue 12/86:45 a.m.YUL - LAS

2 stops13h 50mWestJet

Deal found 27/7C$ 966

Sun 3/811:30 a.m.LAS - YOW

1 stop10h 11mWestJet

Mon 4/83:35 p.m.YOW - LAS

1 stop8h 55mWestJet

Deal found 27/7C$ 1,242

Mon 4/811:19 a.m.LAS - YOW

2 stops26h 47mMultiple Airlines

Wed 6/84:25 p.m.YOW - LAS

1 stop10h 04mMultiple Airlines

Deal found 27/7C$ 779

Tue 5/812:52 a.m.LAS - YUL

3 stops18h 23mMultiple Airlines

Sun 10/86:45 a.m.YUL - LAS

2 stops19h 52mMultiple Airlines

Deal found 29/7C$ 576

Tue 5/89:29 p.m.LAS - YTZ

2 stops19h 13mMultiple Airlines

Thu 21/82:00 p.m.YTZ - LAS

1 stop9h 24mMultiple Airlines

Deal found 26/7C$ 610

Tue 5/86:20 p.m.LAS - YKF

3 stops32h 10mMultiple Airlines

Tue 19/87:45 p.m.YKF - LAS

2 stops28h 43mMultiple Airlines

Deal found 26/7C$ 617

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

1 stop7h 56mWestJet

Fri 22/86:00 a.m.YKF - LAS

1 stop18h 30mWestJet

Deal found 26/7C$ 793

Thu 7/81:39 p.m.LAS - YYZ

1 stop27h 21mMultiple Airlines

Sat 9/812:00 p.m.YYZ - LAS

2 stops11h 31mMultiple Airlines

Deal found 27/7C$ 402

Fri 8/812:35 p.m.LAS - YYZ

Nonstop4h 24mWestJet

Wed 20/812:00 p.m.YYZ - LAS

1 stop10h 38mWestJet

Deal found 26/7C$ 392

Fri 8/812:59 a.m.LAS - YYZ

1 stop13h 20mAmerican Airlines

Sat 16/812:42 p.m.YYZ - LAS

1 stop12h 20mAmerican Airlines

Deal found 26/7C$ 453

Fri 8/89:10 p.m.LAS - YHM

3 stops24h 31mMultiple Airlines

Sun 10/87:05 a.m.YHM - LAS

3 stops30h 35mMultiple Airlines

Deal found 28/7C$ 910

Fri 8/88:00 a.m.LAS - YHM

1 stop13h 41mWestJet

Tue 19/86:00 a.m.YHM - LAS

1 stop14h 35mWestJet

Deal found 28/7C$ 1,029

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 July 2025.

Thu 2/101:25 p.m.LAS - YYZ

2 stops13h 26mWestJet

Deal found 27/7C$ 112

Fri 5/911:20 p.m.LAS - YYZ

Nonstop4h 20mAir Canada

Deal found 27/7C$ 118

Fri 5/911:15 p.m.LAS - YTZ

1 stop9h 30mAir Canada

Deal found 27/7C$ 125

Fri 22/812:59 a.m.LAS - YYZ

1 stop10h 31mUnited Airlines

Deal found 27/7C$ 130

Mon 25/810:55 p.m.LAS - YYZ

Nonstop4h 25mPorter Airlines

Deal found 27/7C$ 139

Wed 17/911:30 a.m.LAS - YHM

1 stop10h 10mWestJet

Deal found 29/7C$ 152

Fri 17/1012:35 p.m.LAS - YOW

1 stop8h 47mWestJet

Deal found 27/7C$ 159

Fri 12/911:30 a.m.LAS - YKF

1 stop10h 15mWestJet

Deal found 29/7C$ 163

Tue 26/810:36 p.m.LAS - YYZ

2 stops22h 48mMultiple Airlines

Deal found 29/7C$ 166

Thu 25/912:35 p.m.LAS - YUL

1 stop8h 52mWestJet

Deal found 28/7C$ 170

Fri 15/87:45 p.m.LAS - YYZ

2 stops12h 14mAmerican Airlines

Deal found 28/7C$ 170

Thu 4/911:15 p.m.LAS - YUL

Nonstop4h 55mAir Canada

Deal found 29/7C$ 171

Fly from

Fly to

Route

Depart

Return

Price

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 30/9

4:50 p.m.-6:01 a.m.

1 stop10h 11m

Toronto Pearson Intl

Wed 1/10

9:25 a.m.-11:08 a.m.

Nonstop4h 43m

C$ 246

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Sat 6/9

11:30 a.m.-10:52 p.m.

1 stop8h 22m

Toronto Pearson Intl

Thu 11/9

9:45 a.m.-11:39 a.m.

Nonstop4h 54m

C$ 247

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 27/8

6:20 p.m.-6:12 a.m.

1 stop8h 52m

Toronto Pearson Intl

Tue 2/9

9:30 a.m.-11:15 a.m.

Nonstop4h 45m

C$ 254

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 13/8

10:55 p.m.-6:20 a.m.

Nonstop4h 25m

Toronto Pearson Intl

Wed 27/8

8:05 p.m.-9:55 p.m.

Nonstop4h 50m

C$ 307

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Sat 6/9

11:20 p.m.-11:45 a.m.

1 stop9h 25m

Toronto Island

Sun 7/9

3:25 p.m.-10:12 p.m.

1 stop9h 47m

C$ 310

Las VegasToronto

LAS - YKF

LASYKF

Las Vegas Harry Reid Intl

Mon 29/9

10:00 a.m.-12:45 a.m.

2 stops11h 45m

Toronto Region of Waterloo Intl

Thu 2/10

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

2 stops12h 01m

C$ 377

Las VegasMontreal

LAS - YUL

LASYUL

Las Vegas Harry Reid Intl

Thu 4/9

12:20 p.m.-12:37 a.m.

1 stop9h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

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

2 stops16h 21m

C$ 392

Las VegasMontreal

LAS - YUL

LASYUL

Las Vegas Harry Reid Intl

Wed 10/9

8:00 a.m.-12:27 a.m.

2 stops13h 27m

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

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

2 stops16h 21m

C$ 394

Las VegasHamilton

LAS - YHM

LASYHM

Las Vegas Harry Reid Intl

Thu 28/8

10:00 a.m.-12:41 a.m.

2 stops11h 41m

Hamilton

Thu 4/9

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

2 stops12h 01m

C$ 403

Las VegasMontreal

LAS - YUL

LASYUL

Las Vegas Harry Reid Intl

Thu 4/9

11:25 a.m.-7:20 p.m.

Nonstop4h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

8:05 a.m.-10:27 a.m.

Nonstop5h 22m

C$ 409

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 41 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 (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Alaska Airlines,Porter Airlines, andDelta from Las Vegas to Ontario by reading reviews from past customers. 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

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Porter Airlines

8.0

Very good

317 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,977 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

United Airlines

7.4

Good

8,899 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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$ 112 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 118 and United Airlines from C$ 130 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 France (88%), WestJet (82%) and Delta (81%).
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$ 361, our data indicates the cheapest price to be C$ 111. The most popular route (Las Vegas Harry Reid Intl - Toronto Pearson Intl), is priced around C$ 250.
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

London Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Thunder Bay Airport car rentals

Sault Ste Marie Airport car rentals

Kingston Airport car rentals

Timmins 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$ 168	AverageC$ 412	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 185	AverageC$ 286	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 259	AverageC$ 429	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$ 112

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 2/10. 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 July 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 July 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 July 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.

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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 July 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 29 July 2025.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Alaska Airlines,Porter Airlines, andDelta from Las Vegas to Ontario by reading reviews from past customers. 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 July 2025.