Cheap flights from Atlanta to Montreal from C$ 163

The month of February is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Atlanta, with most prices found around C$ 395. The month of January is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Atlanta averaging around C$ 420.

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Tuesday when prices can be found for as low as C$ 321. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Atlanta because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 963.

In the evening is the cheapest time of day to fly from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 481. 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 at noon because they tend to be around C$ 791. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl for the best Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl flight prices

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Atlanta 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$ 617 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 Atlanta for as low as C$ 461 on momondo.

There are 2 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl 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 14% on your flight if you consider stops on a Atlanta to Montreal Pierre Elliott Trudeau Intl Airport flight.

As of March 2026, prices for Atlanta to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 4% more expensive when compared to flights at the same time last year.

As of March 2026, there are 16 flights per day flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport. The most common time of day flights depart is 9:00p.m., with 42% of flights taking off in the evening.

117 flights are operational weekly from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport as of March 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.