$155 Cheap Flights from Atlanta (ATL) to Montreal (YUL)

View $155 flight on Sun, Nov 2, 2025Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Atlanta to Montreal (ATL-YUL)

Prices were available within the past 7 days and start at $155 for one-way flights and $350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 5 - Tue, Sep 9
ATL
Atlanta
YUL
Montreal
$350 Roundtrip, found 6 days ago
$350
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 5 from Atlanta to Montreal, returning Tue, Sep 9, priced at $350 found 6 days ago
American Airlines
Fri, Sep 5 - Fri, Sep 19
ATL
Atlanta
YUL
Montreal
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 5 from Atlanta to Montreal, returning Fri, Sep 19, priced at $358 found 6 days ago
American Airlines
Wed, Nov 12 - Sat, Nov 15
ATL
Atlanta
YUL
Montreal
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 12 from Atlanta to Montreal, returning Sat, Nov 15, priced at $369 found 1 day ago
American Airlines
Wed, Oct 29 - Sat, Nov 8
ATL
Atlanta
YUL
Montreal
$377 Roundtrip, found 1 day ago
$377
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 29 from Atlanta to Montreal, returning Sat, Nov 8, priced at $377 found 1 day ago
American Airlines
Mon, Sep 22 - Tue, Sep 23
ATL
Atlanta
YUL
Montreal
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 22 from Atlanta to Montreal, returning Tue, Sep 23, priced at $389 found 1 day ago
Delta
Tue, Oct 7 - Tue, Oct 21
ATL
Atlanta
YUL
Montreal
$391 Roundtrip, found 5 days ago
$391
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 7 from Atlanta to Montreal, returning Tue, Oct 21, priced at $391 found 5 days ago
American Airlines
Sat, Oct 18 - Sat, Oct 25
ATL
Atlanta
YUL
Montreal
$393 Roundtrip, found 1 day ago
$393
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 18 from Atlanta to Montreal, returning Sat, Oct 25, priced at $393 found 1 day ago
American Airlines
Fri, Oct 3 - Sat, Oct 4
ATL
Atlanta
YUL
Montreal
$394 Roundtrip, found 1 day ago
$394
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 3 from Atlanta to Montreal, returning Sat, Oct 4, priced at $394 found 1 day ago
Delta
Tue, Nov 4 - Fri, Nov 7
ATL
Atlanta
YUL
Montreal
$395 Roundtrip, found 3 days ago
$395
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Nov 4 from Atlanta to Montreal, returning Fri, Nov 7, priced at $395 found 3 days ago
United
Sat, Sep 27 - Tue, Sep 30
ATL
Atlanta
YUL
Montreal
$431 Roundtrip, found 11 hours ago
$431
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Sep 27 from Atlanta to Montreal, returning Tue, Sep 30, priced at $431 found 11 hours ago

Find the cheapest month to fly from Atlanta (ATL) to Montreal (YUL)

October is typically the cheapest month to fly

From $395 - $671 per traveler.

Graph displaying average flight prices per month

Alternative airports near Montreal

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pierre Elliott Trudeau Intl. YUL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $645
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $645
Flights from Atlanta (ATL) to Montreal (YUL)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$350
Distance
993 mi
Average flight time
2 hours 42 mins

Atlanta to Montreal Flights

The cheapest times to fly from Atlanta to Montreal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Atlanta to Montreal are during the month of September. You can find some of the cheapest flights from Atlanta to Montreal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Atlanta to Montreal

Sunday is one of the best days to book for cheap flights from Atlanta to Montreal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Atlanta to Montreal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Atlanta to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $155 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Atlanta to Montreal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Atlanta to Montreal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Cheap round-trip flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL) start at $453. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Delta and Air Canada flight leaving ATL on July 21 2025 and touching down at YUL. The price was last updated on July 13 2025 and has not changed since.
What is the cheapest month to fly from ATL to YUL?
The cheapest flights from ATL to YUL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
When departing from Hartsfield-Jackson Atlanta Intl. Airport (ATL), you can take a nonstop flight to Pierre Elliott Trudeau Intl. Airport (YUL) with Delta Air Lines.
What is the cheapest airline that flies from ATL to YUL?
Currently, the cheapest airline operating one-way flights from ATL to YUL is Air Canada. You can take off on this route from $222. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ATL on September 23 2025. Prices were last updated on July 13 2025 and have not changed since.
How many flights per day from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
With, on average, 3 nonstop flights that operate from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL) daily, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
More people fly between ATL and YUL at 9 PM than at any other time. Looking to skip the crowds? Try choosing a quieter departure window and you could save on your fare as well.
What day of the week has the most flights from ATL to YUL?
If you fly on a Friday, you'll get the widest range of choices for flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the earliest flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Hartsfield-Jackson Atlanta Intl. Airport (ATL)'s first flight to Pierre Elliott Trudeau Intl. Airport (YUL) takes off at approximately 9:10AM UTC-5. With a travel time of 2h 37m, you'll arrive at around 11:47AM UTC-5.
How long does it take to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Flights from ATL to YUL have an average travel time of 2 hours and 35 minutes. The distance between the two airports is 990 mi.
What airline has the least delays from ATL to YUL?
With 81% of journeys typically landing on time, Delta Air Lines has the best on-time performance for nonstop flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL). To monitor your flight status and get notified about any changes, head to the Expedia App.
What is the best time to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Select a flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Montreal from Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Explore your flight options from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL). This is the only airport in Montreal you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Holding off until just before your departure to book a flight from ATL to YUL often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book an ATL to YUL flight and hotel package?
You can save money by booking an ATL to YUL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Typically, you can cancel or modify your ATL to YUL flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, head to our Customer Service portal.

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