Cheap flights from Montreal to Las Vegas from $144

The month of September is, on average, the cheapest month to fly to Las Vegas from Montreal, with most prices found around $326. The month of May is another great option to travel to Las Vegas, with average flight prices from Montreal averaging around $370.

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $406. Flights from Montreal to Las Vegas on a Monday will generally be more expensive and average around $572. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $378. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $515. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Montreal Pierre Elliott Trudeau Intl to Las Vegas Harry Reid Intl for the best Montreal - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $411 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Montreal for as low as $337 on momondo.

There are 3 cabin classes available to choose from on Montreal to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 9% on your flight if you consider stops on a Montreal to Las Vegas flight.

As of March 2026, prices for Montreal to Las Vegas flights are approximately 34% more expensive when compared to flights at the same time last year.

Delta and WestJet are the most popular carriers operating from Montreal to Las Vegas Harry Reid Intl

Air Canada, Delta and Porter Airlines are the top three most popular airlines that fly to Las Vegas from Montreal according to our data. Air Canada is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 5 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Montreal and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada Rouge have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Toronto (YYZ) offer the lowest average round-trip price of $324.

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 8h 40m.

Toronto (YYZ) has the shortest average layover time for this route: 2h 08m.

The number of flights available between Montreal and Las Vegas is 1 per day as of March 2026. The most frequent departure time is 5:00PM, with 66% of daily flights leaving in the afternoon.

The number of flights available between Montreal and Las Vegas is 9 per week as of March 2026. The most frequent departure day is Wed, with 22% of weekly flights leaving on this day.