Cheap flights from Montreal to Las Vegas from C$ 237

If you’re not able to fly to Las Vegas in January, then June is your next best option. Flight prices from Montreal to Las Vegas during June average around C$ 604.

The cheapest day to depart from Montreal to Las Vegas is on a Saturday. Travellers who choose to depart for Las Vegas on a Saturday will often find tickets for as low as C$ 630. The most expensive day to fly to Las Vegas is Sunday, with ticket prices averaging around C$ 815.

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as C$ 653. Try not to purchase tickets in the morning because they tend to be around C$ 699. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 650 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 C$ 543 on momondo.

There are 3 cabin classes available to choose from on Montreal to Las Vegas 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 10% on your flight if you consider stops on a Montreal to Las Vegas flight.

As of August 2026, prices for Montreal to Las Vegas flights are approximately 8% cheaper when compared to flights at the same time last year.

WestJet, Air Transat, and Air Canada are the most popular carriers operating from Montreal to Las Vegas Harry Reid Intl

Air Canada, Porter Airlines and WestJet 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 71% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 7 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 18% 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 134 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest 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 has had the least delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 56% of momondo users choosing one-stop flights on this route connected there.

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 295.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 8h 02m.

Philadelphia (PHL) has the shortest average layover time for this route: 1h 04m.

As of August 2026, there are 1 flights per day flying from Montreal to Las Vegas. The most common time of day flights depart is 8:00p.m., with 100% of flights taking off in the evening.

As of August 2026, 7 flights take off from Montreal and land in Las Vegas each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.