Cheap flights from Atlanta to Montreal from C$ 251

The cheapest month to fly to Montreal from Atlanta is in September. Flight prices, which tend to average around C$ 289, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Montreal from Atlanta during October instead. Flights to Montreal in October, while not as cheap as those in September, still average around C$ 294.

Our data shows that Tuesday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 323. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Montreal for around C$ 807.

Our data shows that the cheapest Atlanta to Montreal flights are usually those with departure times in the morning. Our users have found flights to Montreal in the morning for as low as C$ 390. Flights in the evening are often more expensive with an average ticket price of C$ 735.

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

You are more likely to see cheaper flights to Montreal from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 667 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Atlanta for as low as C$ 458 on momondo.

There are 2 cabin classes available to choose from on Atlanta 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 38% on your flight if you consider stops on a Atlanta to Montreal flight.

As of May 2026, prices for Atlanta to Montreal flights are approximately 71% more expensive when compared to flights at the same time last year.

12 flights are operational daily from Atlanta to Montreal as of May 2026. The most popular departure time for this route is 9:00p.m., with 48% of flights per day taking off in the afternoon.

89 flights are operational weekly from Atlanta to Montreal as of May 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.