Cheap flights from Montreal to Atlanta from C$ 248

If you aren’t able to travel during the month of September, then book flights to Atlanta from Montreal during October instead. Flights to Atlanta in October, while not as cheap as those in September, still average around C$ 647.

On average, the least expensive day to fly to Atlanta from Montreal is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 716. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Montreal to Atlanta on a Sunday will generally be more expensive and average around C$ 839. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Atlanta is in the evening when flights can be purchased for as low as C$ 558. Flights to Atlanta are more costly at noon, with an average ticket price of C$ 854. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Atlanta from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around C$ 728 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from Montreal for as low as C$ 379 on momondo.

There are 4 cabin classes available to choose from on Montreal to Atlanta 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 5% on your flight if you consider stops on a Montreal to Atlanta flight.

As of August 2026, prices for Montreal to Atlanta flights are approximately 55% more expensive when compared to flights at the same time last year.

Delta and United Airlines are the most popular carriers operating from Montreal to Atlanta Hartsfield-Jackson

Air Canada, WestJet and Delta are the top three most popular airlines that fly to Atlanta from Montreal according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Atlanta. Keep in mind that there are 4 different airlines that fly to Atlanta on a routine basis, so you have a few additional options to choose from.

The number of flights available between Montreal and Atlanta is 11 per day as of August 2026. The most frequent departure time is 7:00a.m., with 48% of daily flights leaving in the afternoon.

The number of flights available between Montreal and Atlanta is 77 per week as of August 2026. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.