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Cheap flights from Las Vegas to Ontario from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Ontario departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Las Vegas to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
11:25 pm - 6:43 am
LAS
-
YYZ
4h 18mnonstop
WestJet Logo
9:40 am - 6:13 pm
YYZ
-
LAS
11h 33m
2 stops
$172WestJet
Mon, Mar 2 - Mon, Mar 9
WestJet Logo
8:05 am - 11:35 pm
LAS
-
YYZ
12h 30m
2 stops
WestJet Logo
8:00 pm - 10:12 pm
YYZ
-
LAS
5h 12mnonstop
$173WestJet
Tue, Mar 24 - Mon, Mar 30
WestJet Logo
11:25 pm - 6:43 am
LAS
-
YYZ
4h 18mnonstop
WestJet Logo
12:30 pm - 8:16 pm
YYZ
-
LAS
10h 46m
1 stop
$174WestJet
Mon, Mar 2 - Mon, Mar 9
WestJet Logo
11:20 am - 11:11 pm
LAS
-
YYZ
8h 51m
1 stop
WestJet Logo
8:00 pm - 10:12 pm
YYZ
-
LAS
5h 12mnonstop
$175WestJet
Tue, Mar 24 - Mon, Mar 30
United Airlines Logo
11:59 pm - 1:59 pm
LAS
-
YOW
11h 00m
1 stop
United Airlines Logo
10:44 am - 9:59 pm
YOW
-
LAS
14h 15m
1 stop
$257United Airlines
Thu, Apr 9 - Sat, Apr 11
United Airlines Logo
11:59 pm - 1:59 pm
LAS
-
YOW
11h 00m
1 stop
United Airlines Logo
6:00 am - 9:59 pm
YOW
-
LAS
18h 59m
3 stops
$267United Airlines
Thu, Apr 9 - Sat, Apr 11
Air Canada Logo
11:30 pm - 11:51 am
LAS
-
YUL
9h 21m
1 stop
Air Canada Logo
4:30 pm - 11:48 pm
YUL
-
LAS
10h 18m
1 stop
$283Air Canada
Tue, Jun 2 - Wed, Jun 3
Air Canada Logo
9:00 am - 9:35 pm
LAS
-
YTZ
9h 35m
1 stop
Air Canada Logo
10:45 am - 9:40 pm
YTZ
-
LAS
13h 55m
1 stop
$288Air Canada
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
12:59 am - 6:57 pm
LAS
-
YTZ
14h 58m
1 stop
Multiple Airlines Logo
8:50 am - 10:54 pm
YTZ
-
LAS
17h 04m
1 stop
$292Multiple Airlines
Tue, Apr 28 - Wed, May 6
Multiple Airlines Logo
8:00 am - 12:39 am
LAS
-
YOW
13h 39m
2 stops
Multiple Airlines Logo
6:45 am - 11:42 am
YOW
-
LAS
7h 57m
1 stop
$302Multiple Airlines
Tue, Mar 3 - Tue, Mar 24

Porter Airlines flights from Las Vegas to Region of Ontario

Our best Porter Airlines deals on Las Vegas to Region of Ontario flight tickets
Porter Airlines
Mar 2
LAS11:05 pmLas Vegas Harry Reid Intl
4h 15m
YYZ6:20 amToronto Pearson Intl
Mar 9
YYZ7:55 pmToronto Pearson Intl
5h 07m
LAS10:02 pmLas Vegas Harry Reid Intl
$206
Porter Airlines
Feb 16
LAS11:05 pmLas Vegas Harry Reid Intl
7h 15m
1 stop
YUL9:20 amMontreal Pierre Elliott Trudeau Intl
Feb 20
YUL2:30 pmMontreal Pierre Elliott Trudeau Intl
10h 32m
1 stop
LAS10:02 pmLas Vegas Harry Reid Intl
$699
Porter Airlines
Feb 16
LAS11:05 pmLas Vegas Harry Reid Intl
7h 15m
1 stop
YUL9:20 amMontreal Pierre Elliott Trudeau Intl
Feb 20
YUL2:30 pmMontreal Pierre Elliott Trudeau Intl
10h 32m
1 stop
LAS10:02 pmLas Vegas Harry Reid Intl
$700

WestJet flights from Las Vegas to Region of Ontario

Our best WestJet deals on Las Vegas to Region of Ontario flight tickets
WestJet
Mar 16
LAS11:25 pmLas Vegas Harry Reid Intl
4h 18m
YYZ6:43 amToronto Pearson Intl
Mar 23
YYZ8:00 pmToronto Pearson Intl
5h 12m
LAS10:12 pmLas Vegas Harry Reid Intl
$172
WestJet
Mar 24
LAS8:05 amLas Vegas Harry Reid Intl
12h 30m
2 stops
YYZ11:35 pmToronto Pearson Intl
Mar 30
YYZ8:00 pmToronto Pearson Intl
5h 12m
LAS10:12 pmLas Vegas Harry Reid Intl
$173
WestJet
Mar 16
LAS11:25 pmLas Vegas Harry Reid Intl
4h 18m
YYZ6:43 amToronto Pearson Intl
Mar 23
YYZ8:00 pmToronto Pearson Intl
5h 12m
LAS10:12 pmLas Vegas Harry Reid Intl
$174

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
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

Mon 3/2

11:25 pm-6:43 am

Nonstop4h 18m

Toronto Pearson Intl

Mon 3/9

9:40 am-6:13 pm

2 stops11h 33m

$172

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 3/24

8:05 am-11:35 pm

2 stops12h 30m

Toronto Pearson Intl

Mon 3/30

8:00 pm-10:12 pm

Nonstop5h 12m

$173

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Mon 3/2

11:25 pm-6:43 am

Nonstop4h 18m

Toronto Pearson Intl

Mon 3/9

12:30 pm-8:16 pm

1 stop10h 46m

$174

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Tue 3/24

11:20 am-11:11 pm

1 stop8h 51m

Toronto Pearson Intl

Mon 3/30

8:00 pm-10:12 pm

Nonstop5h 12m

$175

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 4/9

11:59 pm-1:59 pm

1 stop11h 00m

Ottawa

Sat 4/11

10:44 am-9:59 pm

1 stop14h 15m

$257

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 4/9

11:59 pm-1:59 pm

1 stop11h 00m

Ottawa

Sat 4/11

6:00 am-9:59 pm

3 stops18h 59m

$267

Las VegasMontreal

LAS - YUL

LASYUL

Las Vegas Harry Reid Intl

Tue 6/2

11:30 pm-11:51 am

1 stop9h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 6/3

4:30 pm-11:48 pm

1 stop10h 18m

$283

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Sun 3/1

9:00 am-9:35 pm

1 stop9h 35m

Toronto Island

Thu 3/5

10:45 am-9:40 pm

1 stop13h 55m

$288

Las VegasToronto

LAS - YTZ

LASYTZ

Las Vegas Harry Reid Intl

Tue 4/28

12:59 am-6:57 pm

1 stop14h 58m

Toronto Island

Wed 5/6

8:50 am-10:54 pm

1 stop17h 04m

$292

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 3/3

8:00 am-12:39 am

2 stops13h 39m

Ottawa

Tue 3/24

6:45 am-11:42 am

1 stop7h 57m

$302

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

How to get the cheapest flight ticket from Las Vegas to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

The month of April is, on average, the cheapest month to fly to Region of Ontario from Las Vegas, with most prices found around $179. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Las Vegas during January instead. Flights to Region of Ontario in January, while not as cheap as those in April, still average around $200.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Las Vegas. The lowest ticket price found for a Thursday departure recently was $323. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Las Vegas to Region of Ontario on a Monday will generally be more expensive and average around $708. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the evening. momondo users have found flights departing from Las Vegas to Region of Ontario in the evening for as low as $268. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $670.

What is the cheapest Las Vegas Harry Reid Intl to Ontario flight route?

Fly from Las Vegas Harry Reid Intl to Toronto Pearson Intl for the best Las Vegas Harry Reid Intl - Ontario flight prices

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

You are more likely to see cheaper flights to Region of Ontario from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $267 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Las Vegas for as low as $203 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to Ontario flights?

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Region of Ontario flights?

You could potentially save up to 39% on your flight if you consider stops on a Las Vegas to Region of Ontario flight.

Cheap Las Vegas to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Region of Ontario

Best Price Found

$133

Fastest flight time

4h 10m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from Las Vegas in the past 72 hours is $133. The best round-trip flight deal from Las Vegas to Region of Ontario found on momondo in the last 72 hours is $265.
The fastest flight from Las Vegas to Region of Ontario takes 4h 10m
Direct flights go from Las Vegas to Region of Ontario every day.
There are 123 airports in Region of Ontario. From Las Vegas there are direct flights to Toronto Pearson Intl (YYZ).
Search flight deals

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Ontario?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Ontario are refreshed on a daily basis.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Ontario?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Ontario?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to Region of Ontario?

Best airlines flying from Las Vegas to Region of Ontario

Compare and see reviews for airlines that fly from Las Vegas to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $68Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air CanadaPriceFrom $80Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $84Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
WestJetPriceFrom $89Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
DeltaPriceFrom $131Free CancellationRating
7.9
8,146 reviews
Search Delta flights
Air TransatPriceFrom $146Free CancellationRating
7.7
502 reviews
Search Air Transat flights
American AirlinesPriceFrom $290Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Las Vegas to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Las Vegas to Ontario with flexible booking policies on momondo?

All flight searches from Las Vegas to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Las Vegas.

I’m not ready to book a flight from Las Vegas to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Las Vegas and alert you when they change.

An easier way to manage your Region of Ontario trip

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