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Cheap flights from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport from C$ 134

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — YUL
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl are usually found in February or April, booked 63 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Atlanta to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 27 January 2026.

Mon 2/28:24 a.m.
ATL
-
YUL
2 stops11h 50m
Multiple Airlines
Mon 9/28:00 a.m.
YUL
-
ATL
1 stop26h 24m
Multiple Airlines
Deal found 25/1C$ 349
Thu 5/25:25 a.m.
ATL
-
YUL
1 stop10h 57m
Multiple Airlines
Mon 9/28:00 a.m.
YUL
-
ATL
1 stop9h 40m
Multiple Airlines
Deal found 27/1C$ 379
Wed 8/49:19 p.m.
ATL
-
YUL
2 stops17h 56m
Multiple Airlines
Sun 12/48:00 a.m.
YUL
-
ATL
1 stop23h 40m
Multiple Airlines
Deal found 26/1C$ 386
Thu 26/27:38 a.m.
ATL
-
YUL
1 stop8h 44m
Multiple Airlines
Sun 1/39:50 a.m.
YUL
-
ATL
2 stops23h 13m
Multiple Airlines
Deal found 27/1C$ 392
Thu 26/28:47 a.m.
ATL
-
YUL
1 stop7h 35m
Multiple Airlines
Mon 2/36:50 a.m.
YUL
-
ATL
2 stops12h 51m
Multiple Airlines
Deal found 27/1C$ 396
Wed 8/45:45 a.m.
ATL
-
YUL
1 stop10h 40m
Multiple Airlines
Mon 13/48:00 a.m.
YUL
-
ATL
1 stop11h 12m
Multiple Airlines
Deal found 25/1C$ 397
Thu 19/311:29 a.m.
ATL
-
YUL
1 stop12h 00m
Multiple Airlines
Sun 22/38:00 a.m.
YUL
-
ATL
1 stop12h 51m
Multiple Airlines
Deal found 25/1C$ 404
Wed 25/26:00 a.m.
ATL
-
YUL
2 stops9h 15m
Multiple Airlines
Wed 15/44:35 p.m.
YUL
-
ATL
1 stop7h 03m
Multiple Airlines
Deal found 26/1C$ 405
Thu 26/35:25 a.m.
ATL
-
YUL
1 stop9h 45m
Multiple Airlines
Mon 30/38:00 a.m.
YUL
-
ATL
1 stop15h 59m
Multiple Airlines
Deal found 25/1C$ 408

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 27 January 2026.

Round-trip from

C$ 386

One-way from

C$ 134

Popular in

September

Cheapest in

February

Average price

C$ 572

Good round-trip deal

C$ 242 or less

Good one-way deal

C$ 301 or less
8/4-12/4
  • 8/4-12/4
  • 3 total stops
  • 41h 36m total
  • Atlanta to Montreal
Search Deals
18/2
  • 18/2
  • 1 total stop
  • 9h 19m total
  • Atlanta to Montreal
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl.
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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 629,999 searches. Data last updated 27 January 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

Thu 26/3

5:25 a.m.-3:10 p.m.

1 stop9h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

8:00 a.m.-7:44 a.m.

1 stop23h 44m

C$ 396

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sun 5/4

5:45 a.m.-4:25 p.m.

1 stop10h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

8:00 a.m.-7:40 a.m.

1 stop23h 40m

C$ 426

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 26/2

9:55 a.m.-12:45 a.m.

1 stop14h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

10:55 a.m.-9:03 a.m.

2 stops22h 08m

C$ 440

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 30/4

6:00 a.m.-4:25 p.m.

1 stop10h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:55 p.m.-1:07 a.m.

1 stop6h 12m

C$ 492

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 11/3

6:00 a.m.-3:15 p.m.

2 stops9h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

5:25 p.m.-10:22 a.m.

3 stops16h 57m

C$ 513

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Fri 27/2

6:05 a.m.-3:10 p.m.

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

9:50 a.m.-7:42 a.m.

2 stops21h 52m

C$ 575

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Tue 2/6

6:00 a.m.-2:13 p.m.

1 stop8h 13m

Montreal Pierre Elliott Trudeau Intl

Thu 16/7

6:15 p.m.-9:17 p.m.

Nonstop3h 02m

C$ 659

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 4/5

8:15 a.m.-11:45 p.m.

1 stop15h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

7:00 a.m.-9:57 a.m.

Nonstop2h 57m

C$ 694

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Fri 29/5

6:00 a.m.-2:13 p.m.

1 stop8h 13m

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

7:00 a.m.-9:52 a.m.

Nonstop2h 52m

C$ 700

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Tue 24/2

7:38 a.m.-4:22 p.m.

1 stop8h 44m

C$ 134

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 18 results
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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 23 January 2026.

The price you pay for your flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 C$ 272). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 374). 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 27 January 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 46% on the cost of your flight, compared to a flight in the afternoon.

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 27 January 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAir Canada from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews
Check prices

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews
Check prices

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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
9,205 reviews
Delta
7.9
Good
8,119 reviews
Check prices

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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
10,660 reviews
Delta
7.9
Good
8,119 reviews
Check prices

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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?

    Located just 13.2 km from the city centre, Atlanta Hartsfield-Jackson is the airport most travellers will use when flying to Montreal Pierre Elliott Trudeau Intl from Atlanta. Booking flights from Hartsfield-Jackson (ATL) to Montreal Pierre Elliott Trudeau Intl should be relatively easy as there are 15 daily outbound flights to Montreal Pierre Elliott Trudeau Intl from 3 different airlines.

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

    Cheapflights users have booked flights from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport round-trip from C$ 287. Other airlines that can offer you cheap pricing are United Airlines, from C$ 323, and Delta, from C$ 328. These flights start at 51% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as C$ 280 on Delta. Other airlines that offer cheap prices include Air Canada from C$ 301 and WestJet from C$ 508 one-way.

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

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Atlanta, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (83%), Delta (82%), WestJet( 82%).

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

    The cheapest flight price from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport is C$ 158. On average you can expect to pay C$ 539. The most popular route, (Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 349.

  • 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 C$ 272). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 374). 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

Travelling 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
Dorval
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Atlanta to Pierre Elliott Trudeau Intl

Discover the top 3 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 629,999 searches. Data last updated 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 287AverageC$ 691FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 323AverageC$ 377FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 328AverageC$ 394FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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