Cheap flights from Detroit to Montreal from $125

The cheapest day to depart from Detroit to Montreal is on a Thursday when prices can be found for as low as $620. Flights from Detroit to Montreal on a Tuesday will generally be more expensive and average around $850. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Montreal is in the evening. Flights from Detroit to Montreal during this time can be as low as $512. In the afternoon is when there is more demand to fly to Montreal, so prices are often more expensive at around $951 per ticket.

Fly from Detroit Metropolitan Wayne County to Montreal Pierre Elliott Trudeau Intl for the best Detroit - Montreal flight prices

You are more likely to see cheaper flights to Montreal from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around $486 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Detroit for as low as $236 on momondo.

There are 3 cabin classes available to choose from on Detroit to Montreal 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 17% on your flight if you consider stops on a Detroit to Montreal flight.

Delta is the most popular carrier operating from Detroit to Montreal

Delta, Air Canada and WestJet are the top three most popular airlines that fly to Montreal from Detroit according to our data. Delta is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Montreal. Keep in mind that there are 3 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Detroit and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

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

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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

The number of flights available between Detroit and Montreal is 4 per day as of March 2026. The most frequent departure time is 9:00PM, with 58% of daily flights leaving in the evening.

33 flights are operational weekly from Detroit to Montreal as of March 2026. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.