Cheap flights from Las Vegas to Ontario from $77
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 5/28. 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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Cheap round-trip flights
These are some of the best round-trip flight deals from Las Vegas to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Las Vegas to Ontario.
Cheap last minute flights
Planning a quick getaway from Las Vegas to Ontario? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.
Delta flights from Las Vegas to Region of Ontario
Our best Delta deals on Las Vegas to Region of Ontario flight tickets
Delta![Delta]()
Jun 27![Delta]()
Jul 1
LAS12:50 amLas Vegas Harry Reid Intl
8h 05m
1 stop
YYZ11:55 amToronto Pearson Intl
YYZ1:28 pmToronto Pearson Intl
12h 17m
1 stop
LAS10:45 pmLas Vegas Harry Reid Intl
Delta![Delta]()
Jun 10![Delta]()
Jun 24
LAS12:04 pmLas Vegas Harry Reid Intl
8h 50m
1 stop
YUL11:54 pmMontreal Pierre Elliott Trudeau Intl
YUL6:20 amMontreal Pierre Elliott Trudeau Intl
9h 10m
1 stop
LAS12:30 pmLas Vegas Harry Reid Intl
Alaska Airlines flights from Las Vegas to Region of Ontario
Our best Alaska Airlines deals on Las Vegas to Region of Ontario flight tickets
Alaska Airlines![Alaska Airlines]()
Jun 2![Alaska Airlines]()
Jun 9
LAS4:33 pmLas Vegas Harry Reid Intl
19h 27m
2 stops
YYZ3:00 pmToronto Pearson Intl
YYZ4:45 pmToronto Pearson Intl
8h 41m
1 stop
LAS10:26 pmLas Vegas Harry Reid Intl
Alaska Airlines![Alaska Airlines]()
Jun 2![Alaska Airlines]()
Jun 9
LAS4:33 pmLas Vegas Harry Reid Intl
19h 27m
2 stops
YYZ3:00 pmToronto Pearson Intl
YYZ4:45 pmToronto Pearson Intl
19h 34m
2 stops
LAS9:19 amLas Vegas Harry Reid Intl
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
Prices
Airlines
Other information
What is the cheapest month to fly to Region of Ontario?
The month of February 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 February, then book flights to Region of Ontario from Las Vegas during April instead. Flights to Region of Ontario in April, while not as cheap as those in February, still average around $221.
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 $309. 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 Sunday will generally be more expensive and average around $658. 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 $287. 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 $830.
What is the cheapest Las Vegas Harry Reid Intl to Ontario flight route?
Fly from Las Vegas Harry Reid Intl to Ottawa 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 12 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $263 when searching 12 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 $190 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.
What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Ontario?
WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from Las Vegas Harry Reid Intl to Ontario
What airlines fly to Region of Ontario?
WestJet, Air Canada and Porter Airlines are the top three most popular airlines that fly to Region of Ontario from Las Vegas according to our data. WestJet is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Las Vegas to Region of Ontario on average per day?
3 flights are operational daily from Las Vegas to Region of Ontario as of April 2025. The most popular departure time for this route is 9:00AM, with 46% of flights per day taking off in the evening.
How many flights depart from Las Vegas to Region of Ontario on average per week?
As of April 2025, there are 25 flights per week flying from Las Vegas to Region of Ontario. The most common day of the week flights depart is Wed, with 48% of flights taking off on this day.
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 | $77 |
|---|---|
Fastest flight time | 4h 19m |
Direct flights | Every day |
Airports in Region of Ontario | 4 airports |
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?
There are 7 operators available for flights from Las Vegas Harry Reid Intl Airport to Ontario as of April 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Las Vegas to Region of Ontario is Embraer 195 E2 (49.87% of total bookings). The next most popular plane models are Boeing 737-800 (Scimitar Winglets) (11.33%), Boeing 737 MAX 8 (10.72%), and Airbus A321-100/200 (7.28%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $68 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $107 | Free Cancellation | Rating 6.0 239 reviews | |||
| PriceFrom $108 | Free Cancellation | Rating 7.0 9,245 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 285 reviews | |||
| PriceFrom $140 | Free Cancellation | Rating 7.2 2,826 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 7.8 385 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 8.0 7,936 reviews |
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.
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