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$128+ Cheap flights from Atlanta (ATL) to Montreal (YMQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — YMQ
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Montreal are usually found in January or February, booked 65 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from Atlanta to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$310
(Kiwi.com)

One-way from

$128
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$490

Good round-trip deal

$614 or less

Good one-way deal

$248 or less
From Atlanta Hartsfield-Jackson to Montreal (YMQ)
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One-way flight from Atlanta Hartsfield-Jackson to Montreal (YMQ)
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Highest demand for flights based on searches. 18% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Montreal (YMQ).
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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Montreal (YMQ).
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Find flight deals from Atlanta to Montreal

Cheapest flights from Atlanta to Montreal
Explore the most affordable flight options available from Atlanta to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:45 amATL - YUL
1 stop10h 10mMultiple Airlines
Wed 9/176:45 amYUL - ATL
2 stops13h 16mMultiple Airlines
Deal found 8/13$310
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:51 amATL - YUL
1 stop26h 29mMultiple Airlines
Wed 10/86:45 amYUL - ATL
2 stops13h 50mMultiple Airlines
Deal found 8/14$316
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:45 amATL - YUL
1 stop10h 10mMultiple Airlines
Thu 9/186:45 amYUL - ATL
2 stops13h 27mMultiple Airlines
Deal found 8/12$320
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:45 amATL - YUL
1 stop10h 10mMultiple Airlines
Sun 9/144:45 pmYUL - ATL
2 stops14h 57mMultiple Airlines
Deal found 8/13$321
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:38 amATL - YUL
2 stops13h 49mMultiple Airlines
Mon 9/156:35 pmYUL - ATL
1 stop13h 07mMultiple Airlines
Deal found 8/14$323
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:14 amATL - YUL
1 stop7h 11mMultiple Airlines
Tue 11/46:45 amYUL - ATL
2 stops15h 59mMultiple Airlines
Deal found 8/12$327
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:00 amATL - YUL
2 stops16h 10mMultiple Airlines
Sun 11/98:00 amYUL - ATL
1 stop9h 41mMultiple Airlines
Deal found 8/13$329
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:45 amATL - YUL
1 stop10h 10mMultiple Airlines
Mon 9/154:45 pmYUL - ATL
2 stops14h 57mMultiple Airlines
Deal found 8/12$331
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:45 amATL - YUL
2 stops8h 15mMultiple Airlines
Mon 9/296:35 pmYUL - ATL
1 stop13h 07mMultiple Airlines
Deal found 8/13$333

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Montreal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Atlanta to Montreal that are best for you.

Fly from

Atlanta

Fly to

Montreal

Route

Depart

Return

Price

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 10/1

11:51 am-2:20 pm

1 stop26h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 10/8

6:45 am-8:35 pm

2 stops13h 50m

$316

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 11/8

9:30 am-12:35 am

2 stops15h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 11/10

10:35 am-11:35 pm

2 stops13h 00m

$317

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Fri 10/31

9:45 am-10:10 pm

2 stops12h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 11/3

4:35 pm-11:59 pm

1 stop7h 24m

$319

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 9/11

7:45 am-5:55 pm

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 9/18

6:45 am-8:12 pm

2 stops13h 27m

$320

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Fri 11/7

4:06 pm-12:30 am

1 stop8h 24m

Montreal Pierre Elliott Trudeau Intl

Mon 11/10

6:45 am-11:35 pm

2 stops16h 50m

$321

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Fri 9/12

10:38 am-12:27 am

2 stops13h 49m

Montreal Pierre Elliott Trudeau Intl

Thu 9/18

6:45 am-8:12 pm

1 stop13h 27m

$322

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 9/8

7:45 am-5:55 pm

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 9/17

6:45 am-8:01 pm

2 stops13h 16m

$322

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Fri 9/12

10:38 am-12:27 am

2 stops13h 49m

Montreal Pierre Elliott Trudeau Intl

Mon 9/15

6:35 pm-7:42 am

1 stop13h 07m

$323

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 9/18

8:16 am-5:55 pm

1 stop9h 39m

Montreal Pierre Elliott Trudeau Intl

Sun 9/21

6:35 pm-7:42 am

1 stop13h 07m

$326

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 10/29

9:14 am-4:25 pm

1 stop7h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

6:45 am-10:44 pm

2 stops15h 59m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 18 results
1
2

Best time to book a flight from Atlanta to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Montreal

How far ahead should I book a flight from Atlanta to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Montreal. Price data was last updated on August 8, 2025.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Montreal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Atlanta to Montreal?

Currently, January is the cheapest month in which you can book a flight from Atlanta to Montreal (average of $270). Flying from Atlanta to Montreal in July is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to YMQ?

Find hourly flight availability from Atlanta to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 42% on flights from Atlanta to Montreal by exploring options for tickets in the evening.

What is the cheapest day to fly from Atlanta to Montreal?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Montreal. Price data was last updated on September 15, 2024.

Travelers seeking maximum savings on their Atlanta to Montreal flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Atlanta to Montreal

Explore weekly flight availability from Atlanta to Montreal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from ATL to YMQ are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montreal. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and WestJet from Atlanta to Montreal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
WestJet
7.2
Good
3,013 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Air Canada
7.1
Good
9,949 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Atlanta to Montreal?

    Located just 8.2 mi from the city center, Atlanta Hartsfield-Jackson is the airport most travelers will use when flying to Montreal from Atlanta. Booking flights from Hartsfield-Jackson (ATL) to Montreal should be relatively easy as there are 12 daily outbound flights to Montreal from 4 different airlines.

  • What are the cheapest airlines flying from Atlanta to Montreal round-trip?

    According to our current data, Air Canada ($235), United Airlines ($236), and Delta ($237) offers the cheapest pricing from Atlanta to Montreal. Users have found that Air Canada is 42% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Atlanta to Montreal?

    The top 3 most reliable airlines when flying from Atlanta to Montreal are Air Canada (89%), Jazz (82%) and United Airlines (81%).

  • What are the cheapest flights from Atlanta to Montreal?

    The cheapest flight price from Atlanta to Montreal is $122. On average you can expect to pay $1,066. The most popular route, (Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl), can usually be booked for $310.

  • Can I find deals for flights from Atlanta to Montreal that include hotel bookings?

    Yes. In addition to deals on Atlanta to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Montreal.

  • Can I find deals for business class flights from Atlanta to Montreal?

    Yes. Cheapflights offers flight deals from Atlanta to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Atlanta to Montreal?

    Currently, January is the cheapest month in which you can book a flight from Atlanta to Montreal (average of $270). Flying from Atlanta to Montreal in July is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Atlanta to Montreal

Discover the top 4 airlines that operate flights from Atlanta to Montreal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$235Average$535FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$236Average$561FlexibilityNo cancel feeOn-time69%
DeltaCheapest$237Average$489FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$464Average$696FlexibilityNo cancel feeOn-time60%

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