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$161+ 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 5 — Aug 121
Wed 8/5
Wed 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Montreal are usually found in January or November, booked 59 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap 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 July 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/147:30 am
ATL
-
YUL
2 stops12h 02m
Multiple Airlines
Sun 11/18:00 am
YUL
-
ATL
1 stop16h 27m
Multiple Airlines
Deal found 7/3$361
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/127:04 pm
ATL
-
YUL
1 stop24h 14m
Multiple Airlines
Wed 8/1912:50 pm
YUL
-
ATL
2 stops12h 02m
Multiple Airlines
Deal found 7/1$370
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 8/2510:40 pm
ATL
-
YUL
1 stop15h 28m
Multiple Airlines
Sat 8/293:15 pm
YUL
-
ATL
1 stop9h 37m
Multiple Airlines
Deal found 7/1$371
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/176:37 pm
ATL
-
YUL
2 stops30h 00m
Multiple Airlines
Sun 11/18:00 am
YUL
-
ATL
1 stop16h 27m
Multiple Airlines
Deal found 7/3$376
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/237:30 am
ATL
-
YUL
2 stops12h 02m
Multiple Airlines
Mon 10/53:15 pm
YUL
-
ATL
1 stop17h 24m
Multiple Airlines
Deal found 7/1$377
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/2710:40 pm
ATL
-
YUL
1 stop15h 28m
Multiple Airlines
Mon 8/318:00 pm
YUL
-
ATL
1 stop12h 44m
Multiple Airlines
Deal found 7/2$384
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/148:22 pm
ATL
-
YUL
1 stop17h 46m
Multiple Airlines
Mon 8/178:00 pm
YUL
-
ATL
1 stop12h 44m
Multiple Airlines
Deal found 7/4$389
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/38:22 pm
ATL
-
YUL
1 stop17h 46m
Multiple Airlines
Mon 8/106:30 am
YUL
-
ATL
2 stops26h 30m
Multiple Airlines
Deal found 7/1$393
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/1710:42 pm
ATL
-
YUL
1 stop15h 26m
Multiple Airlines
Sat 10/316:45 am
YUL
-
ATL
2 stops14h 47m
Multiple Airlines
Deal found 7/3$394
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/1310:40 pm
ATL
-
YUL
1 stop20h 38m
Multiple Airlines
Mon 8/178:00 pm
YUL
-
ATL
1 stop12h 44m
Multiple Airlines
Deal found 7/3$400

Find 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 July 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$361
(Kiwi.com)

One-way from

$161
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$571

Good round-trip deal

$679 or less

Good one-way deal

$333 or less
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Montreal (YMQ) flights.
Search Deals
From Atlanta Hartsfield-Jackson to Montreal (YMQ)
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Montreal (YMQ).
Search Deals
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Montreal (YMQ).
Search Deals

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 July 6, 2026.
Use the filters below to find and compare flights from Atlanta to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 11/14

7:30 am-4:05 pm

1 stop8h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 11/21

11:15 am-8:41 pm

1 stop9h 26m

$613

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 9/7

9:15 pm-11:52 pm

Nonstop2h 37m

Montreal Pierre Elliott Trudeau Intl

Tue 9/15

2:25 pm-11:05 pm

1 stop8h 40m

$617

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 10/7

9:23 pm-11:59 pm

Nonstop2h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 10/14

9:30 am-6:34 pm

1 stop9h 04m

$617

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 9/19

7:25 am-4:19 pm

1 stop8h 54m

Montreal Pierre Elliott Trudeau Intl

Tue 9/29

9:30 am-6:33 pm

1 stop9h 03m

$626
Quickest round-trip

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Tue 9/1

9:15 pm-11:52 pm

Nonstop2h 37m

Montreal Pierre Elliott Trudeau Intl

Tue 9/29

9:30 am-5:29 pm

1 stop7h 59m

$634
Cheapest one-way

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 10/5

9:13 pm-7:32 pm

2 stops22h 19m

$214
Quickest one-way

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 9/12

9:22 pm-11:59 pm

Nonstop2h 37m

$314

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 10/3

11:00 am-1:38 pm

Nonstop2h 38m

$314

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sun 10/4

9:22 pm-11:59 pm

Nonstop2h 37m

$314

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 9/28

9:00 am-11:38 am

Nonstop2h 38m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Atlanta to Montreal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Montreal in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlanta-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Montreal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, September is the cheapest month in which you can book a flight from Atlanta to Montreal (average of $209). Flying from Atlanta to Montreal in December is currently the most expensive (average of $250). 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 July 6, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 44% on flights from Atlanta to Montreal by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Atlanta to Montreal?

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

Booking 74 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 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 July 4, 2026.

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

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 July 6, 2026.
Peruse reviews from past customers who have flown with Delta,WestJet, andAir Canada 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
7.8
Good
8,453 reviews

Overall

7.8

Comfort

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.8
Good
8,453 reviews
Delta
7.8
Good
8,453 reviews

Overall

7.8

Comfort

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
WestJet
7.2
Good
3,397 reviews
Delta
7.8
Good
8,453 reviews

Overall

7.8

Comfort

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Air Canada
7.1
Good
11,305 reviews
Delta
7.8
Good
8,453 reviews

Overall

7.8

Comfort

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 8 daily outbound flights to Montreal from 4 different airlines.

  • How long is the flight from Atlanta to Montreal?

    There are many flights that can get you from Atlanta to Montreal in 9h 35m. Fly via Delta to get the fastest option. Atlanta and Montreal are separated by a distance of 992 mi.

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

    According to our current data, Air Canada ($236), Delta ($244), and United Airlines ($248) offers the cheapest pricing from Atlanta to Montreal. Users have found that Air Canada is 58% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Atlanta to Montreal one-way?

    One-way options have recently been found by users for as low as $213 on Air Canada. Other airlines that offer cheap prices include Delta from $248 and WestJet from $289 one-way.

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

    The top 3 most reliable airlines when flying from Atlanta to Montreal are TAP AIR PORTUGAL (100%), United Airlines (93%) and Jazz (87%).

  • What are the cheapest flights from Atlanta to Montreal?

    The cheapest flight price from Atlanta to Montreal is $274. On average you can expect to pay $1,834. The most popular route, (Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl), can usually be booked for $370.

  • 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, September is the cheapest month in which you can book a flight from Atlanta to Montreal (average of $209). Flying from Atlanta to Montreal in December is currently the most expensive (average of $250). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$236Average$551FlexibilityNo cancel feeOn-time67%
DeltaCheapest$244Average$449FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$305FlexibilityNo cancel feeOn-time69%
WestJetCheapest$333Average$647FlexibilityNo cancel feeOn-time60%

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