Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Las Vegas from $157

The month of October is, on average, the cheapest month to fly to Las Vegas from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around $378. The month of September is another great option to travel to Las Vegas, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around $387.

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 $414. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Las Vegas on a Monday will generally be more expensive and average around $562. 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 $380. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $521. 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 Pierre Elliott Trudeau Intl - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $429 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 Pierre Elliott Trudeau Intl Airport for as low as $356 on momondo.

You could potentially save up to 14% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Las Vegas flight.

As of April 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Las Vegas flights are approximately 79% more expensive when compared to flights at the same time last year.

WestJet, Air Transat, and Delta are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport 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 14% 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 146 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.

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

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.