Cheap flights from Detroit to Montreal from C$ 219

The cheapest month to fly to Montreal from Detroit is in May. Flight prices, which tend to average around C$ 608, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Montreal from Detroit during September instead. Flights to Montreal in September, while not as cheap as those in May, still average around C$ 662.

Our data shows that Thursday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 632. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Detroit to Montreal for around C$ 1,326.

Our data shows that the cheapest Detroit to Montreal flights are usually those with departure times in the evening. Our users have found flights to Montreal in the evening for as low as C$ 676. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,513.

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 C$ 798 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 C$ 355 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 32% on your flight if you consider stops on a Detroit to Montreal flight.

Historically, on average around 17% 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 137 minutes.

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

Thursday is statistically the day of the week that experiences the fewest 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 has had the least delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

12 flights are operational daily from Detroit to Montreal as of September 2026. The most popular departure time for this route is 2:00p.m., with 52% of flights per day taking off in the afternoon.

The number of flights available between Detroit and Montreal is 89 per week as of September 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.