Pierre Elliott Trudeau Intl

$101+ Cheap flights from Atlanta (ATL) to Pierre Elliott Trudeau Intl (YUL)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — YUL
Mar 20 — Mar 271
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl are usually found in February or January, booked 63 days in advance, depart on a Monday or Saturday and return on a Thursday

Cheap flight deals from Atlanta to Pierre Elliott Trudeau Intl

Cheapest flights from Atlanta to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Atlanta to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/2510:44 pm
ATL
-
YUL
1 stop17h 36m
Multiple Airlines
Sun 3/298:00 am
YUL
-
ATL
1 stop16h 33m
Multiple Airlines
Deal found 2/17$246
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 4/176:40 am
ATL
-
YUL
1 stop9h 48m
Multiple Airlines
Mon 4/208:00 am
YUL
-
ATL
1 stop24h 17m
Multiple Airlines
Deal found 2/16$272
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/1810:40 pm
ATL
-
YUL
2 stops17h 50m
Multiple Airlines
Mon 3/238:00 am
YUL
-
ATL
1 stop23h 54m
Multiple Airlines
Deal found 2/15$274
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Mon 3/165:45 am
ATL
-
YUL
2 stops10h 45m
Multiple Airlines
Mon 3/238:00 am
YUL
-
ATL
1 stop23h 54m
Multiple Airlines
Deal found 2/14$276
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 5/410:29 pm
ATL
-
YUL
1 stop15h 44m
Multiple Airlines
Mon 5/116:45 am
YUL
-
ATL
2 stops25h 32m
Multiple Airlines
Deal found 2/15$282
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/242:15 pm
ATL
-
YUL
2 stops10h 17m
Multiple Airlines
Mon 3/308:00 am
YUL
-
ATL
1 stop23h 44m
Multiple Airlines
Deal found 2/16$288
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/242:15 pm
ATL
-
YUL
2 stops10h 17m
Multiple Airlines
Sun 3/298:00 am
YUL
-
ATL
1 stop16h 33m
Multiple Airlines
Deal found 2/16$291
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/2510:44 pm
ATL
-
YUL
1 stop17h 36m
Multiple Airlines
Tue 3/3110:15 am
YUL
-
ATL
2 stops14h 26m
Multiple Airlines
Deal found 2/16$292
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/19:07 am
ATL
-
YUL
1 stop7h 21m
Multiple Airlines
Wed 4/83:50 pm
YUL
-
ATL
2 stops9h 17m
Multiple Airlines
Deal found 2/14$293
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/1110:40 pm
ATL
-
YUL
2 stops16h 30m
Multiple Airlines
Mon 3/168:00 am
YUL
-
ATL
1 stop26h 22m
Multiple Airlines
Deal found 2/16$295

Find flight deals from Atlanta to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Pierre Elliott Trudeau Intl (YUL). 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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$246
(Kiwi.com)

One-way from

$101
(Trip.com)

Popular in

March

Cheapest in

February

Average price

$288

Good round-trip deal

$608 or less

Good one-way deal

$322 or less
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Montreal Pierre Elliott Trudeau Intl flight deals.
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Montreal Pierre Elliott Trudeau Intl flights.
From Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl
One-way flight from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Pierre Elliott Trudeau Intl 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 February 18, 2026.
Use the filters below to find and compare flights from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Atlanta

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 3/18

10:40 pm-4:30 pm

2 stops17h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

8:00 am-7:54 am

1 stop23h 54m

$274

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 5/4

10:29 pm-2:13 pm

1 stop15h 44m

Montreal Pierre Elliott Trudeau Intl

Mon 5/11

6:45 am-8:17 am

2 stops25h 32m

$282

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 4/20

10:40 pm-4:25 pm

1 stop17h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 4/23

5:10 pm-8:39 am

1 stop15h 29m

$302

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sun 5/10

10:29 pm-5:15 pm

2 stops18h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 5/17

6:55 pm-8:39 am

1 stop13h 44m

$305

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 4/2

10:40 pm-4:28 pm

1 stop17h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 4/8

6:45 am-4:23 pm

1 stop9h 38m

$310

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 3/25

5:45 am-4:30 pm

2 stops10h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 3/29

5:25 pm-10:05 am

2 stops16h 40m

$322

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 3/19

6:40 am-4:20 pm

1 stop9h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

6:45 am-12:33 am

2 stops17h 48m

$322

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 3/5

3:12 pm-10:46 am

2 stops19h 34m

Montreal Pierre Elliott Trudeau Intl

Mon 3/9

8:00 am-8:11 pm

1 stop12h 11m

$329

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 2/25

9:36 pm-12:45 am

1 stop27h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

10:15 am-9:18 pm

2 stops11h 03m

$332

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 2/25

9:36 pm-12:45 am

1 stop27h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 3/4

10:15 am-11:37 pm

2 stops13h 22m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Atlanta to Pierre Elliott Trudeau Intl

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 Pierre Elliott Trudeau Intl in February.
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 Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport

How far ahead should I book a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Pierre Elliott Trudeau Intl. Price data was last updated on February 13, 2026.

To ensure you get the cheapest price possible for a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport (average of $199). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $273). 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 YUL?

Find hourly flight availability from Atlanta to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 18, 2026.

It’s optimal to fly from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Pierre Elliott Trudeau Intl. Price data was last updated on February 7, 2026.

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

The best insider tips for Atlanta to Montreal Pierre Elliott Trudeau Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Montreal Pierre Elliott Trudeau Intl Airport trip
Our travel experts
John Walton

John Walton

Expert on YUL

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Chris Dong

Chris Dong

Expert on ATL

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated February 18, 2026.
See what other customers who have flown with Delta, United Airlines, and WestJet from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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.

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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.

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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.

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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.

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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 Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl?

    If you book a flight to Montreal Pierre Elliott Trudeau Intl from Atlanta, you will be flying from Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta. There are 16 flights from Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl per day from 4 different airlines.

  • What are the cheapest airlines flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Our cheapest airline available from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $216 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $237 and $243 round-trip. Users have found that Delta is 51% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $199. Delta flights start at $199 while deals on United Airlines start at $258 one-way.

  • What are the most reliable airlines from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport?

    Consider Korean Air (78%), KLM (75%) or LATAM Airlines (74%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport.

  • What are the cheapest flights from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport?

    While on average a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport is generally $1,223, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $272 for that flight.

  • Can I find deals for flights from Atlanta to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Atlanta to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Pierre Elliott Trudeau Intl?

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

  • Can I find deals for business class flights from Atlanta to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Atlanta to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport (average of $199). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $273). 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

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Dorval

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Top 4 airlines flying from Atlanta to Pierre Elliott Trudeau Intl

Discover the top 4 airlines that operate flights from Atlanta to Pierre Elliott Trudeau Intl. 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$326FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$237Average$526FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$248Average$300FlexibilityNo cancel feeOn-time69%
WestJetCheapest$333Average$687FlexibilityNo cancel feeOn-time60%

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