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Cheap flights from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport from C$ 123

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — YUL
11 Jan — 18 Jan1
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 January, booked 63 days in advance, depart on a Saturday or Monday and return on a Thursday

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 12 December 2025.

Wed 31/1211:18 a.m.ATL - YUL
1 stop13h 12mMultiple Airlines
Mon 5/18:55 a.m.YUL - ATL
2 stops23h 51mMultiple Airlines
Deal found 11/12C$ 542
Fri 26/125:15 a.m.ATL - YUL
1 stop9h 55mMultiple Airlines
Tue 30/126:45 a.m.YUL - ATL
2 stops26h 45mMultiple Airlines
Deal found 9/12C$ 610
Tue 23/1210:40 p.m.ATL - YUL
1 stop16h 30mMultiple Airlines
Tue 30/126:45 a.m.YUL - ATL
2 stops26h 45mMultiple Airlines
Deal found 10/12C$ 619
Sun 21/129:57 p.m.ATL - YUL
1 stop18h 26mMultiple Airlines
Tue 30/126:45 a.m.YUL - ATL
2 stops25h 36mMultiple Airlines
Deal found 11/12C$ 663
Thu 18/122:29 p.m.ATL - YUL
1 stop10h 16mMultiple Airlines
Wed 24/126:45 a.m.YUL - ATL
2 stops25h 01mMultiple Airlines
Deal found 10/12C$ 683
Fri 19/124:23 p.m.ATL - YUL
1 stop24h 00mMultiple Airlines
Wed 24/126:45 a.m.YUL - ATL
2 stops25h 01mMultiple Airlines
Deal found 10/12C$ 717
Thu 18/122:29 p.m.ATL - YUL
1 stop10h 16mMultiple Airlines
Fri 26/121:40 p.m.YUL - ATL
2 stops17h 46mMultiple Airlines
Deal found 10/12C$ 724
Thu 18/122:29 p.m.ATL - YUL
1 stop10h 16mMultiple Airlines
Thu 25/1210:15 a.m.YUL - ATL
2 stops11h 34mMultiple Airlines
Deal found 10/12C$ 727

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 12 December 2025.

Round-trip from

C$ 381

One-way from

C$ 123

Popular in

December

Cheapest in

February

Average price

C$ 854

Good round-trip deal

C$ 306 or less

Good one-way deal

C$ 542 or less
25/1-1/2
  • 25/1-1/2
  • 3 total stops
  • 33h 39m total
  • Atlanta to Montreal
Search Deals
13/1
  • 13/1
  • 2 total stops
  • 24h 35m total
  • Atlanta to Montreal
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl.
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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 12 December 2025.
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

Mon 26/1

5:25 a.m.-12:35 a.m.

3 stops19h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

8:00 a.m.-7:16 p.m.

1 stop11h 16m

C$ 383

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 19/3

6:40 a.m.-3:10 p.m.

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

8:00 a.m.-9:38 p.m.

1 stop13h 38m

C$ 502

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 31/12

11:18 a.m.-12:30 a.m.

1 stop13h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 5/1

8:55 a.m.-8:46 a.m.

2 stops23h 51m

C$ 542

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 4/2

10:30 a.m.-6:37 p.m.

1 stop8h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

9:34 a.m.-7:53 p.m.

1 stop10h 19m

C$ 592

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Tue 20/1

10:30 a.m.-6:37 p.m.

1 stop8h 07m

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

9:34 a.m.-6:42 p.m.

1 stop9h 08m

C$ 593

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 17/1

8:05 a.m.-4:30 p.m.

2 stops8h 25m

C$ 190

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 24/1

9:19 p.m.-4:30 p.m.

2 stops19h 11m

C$ 190

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 9/2

10:45 p.m.-1:00 p.m.

2 stops14h 15m

C$ 190

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 8/1

10:45 p.m.-4:30 p.m.

2 stops17h 45m

C$ 190

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 11/2

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

1 stop9h 45m

C$ 192

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 15 results
1
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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 5 December 2025.

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$ 274). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 376). 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 12 December 2025.

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 12 December 2025.
Read reviews from past customers who have flown Delta and Air 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
8,005 reviews
Check prices

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews
Check prices

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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
10,516 reviews
Delta
7.9
Good
8,005 reviews
Check prices

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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 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 2 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$ 289. Another airline that can offer you cheap pricing is Delta. 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$ 263 on Air Canada. Other airlines that offer cheap prices include Delta from C$ 282 and WestJet from C$ 511 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: Air Canada (94%), Jazz (91%), United Airlines( 91%).

  • 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$ 261. On average you can expect to pay C$ 677. The most popular route, (Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 308.

  • 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$ 274). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 376). 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
Cornwall
Sherbrooke
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Atlanta to Pierre Elliott Trudeau Intl

Discover the top 2 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 289AverageC$ 714FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 330AverageC$ 554FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Atlanta to Pierre Elliott Trudeau Intl?

When you search for this flight from Atlanta to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Atlanta to Pierre Elliott Trudeau Intl?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Atlanta to Pierre Elliott Trudeau Intl flexibly with Cheapflights today.

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