Cheap flights from Detroit to Montreal from C$ 230

The month of September is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Detroit, with most prices found around C$ 340. The month of May is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Detroit averaging around C$ 554.

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday when prices can be found for as low as C$ 479. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Detroit because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,238.

In the evening is the cheapest time of day to fly from Detroit to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 784. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around C$ 1,537. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 791 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Detroit for as low as C$ 603 on momondo.

There are 3 cabin classes available to choose from on Detroit to Montreal Pierre Elliott Trudeau Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 133 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. Tuesday 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 13% of their flights experiencing any sort of delay.

As of July 2026, 13 flights take off from Detroit and land in Montreal Pierre Elliott Trudeau Intl Airport each day. The most common flight departure time for this route is 10:00a.m., with 39% of daily flights taking off at noon.

The number of flights available between Detroit and Montreal Pierre Elliott Trudeau Intl Airport is 91 per week as of July 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.