Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport from C$ 139

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Montreal Pierre Elliott Trudeau Intl are usually found in January or February, booked 88 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap 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 11 September 2025.

Round-trip from

C$ 371

One-way from

C$ 139

Popular in

September

Cheapest in

January

Average price

C$ 783

Good round-trip deal

C$ 379 or less

Good one-way deal

C$ 377 or less
1/11-11/11
  • 1/11-11/11
  • 3 total stops
  • 50h 36m total
  • Atlanta to Montreal
Search Deals
10/12
  • 10/12
  • 1 total stop
  • 18h 43m total
  • Atlanta to Montreal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
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.
Search Deals

Find 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 11 September 2025.

Sat 1/119:45 p.m.ATL - YUL
1 stop19h 43mMultiple Airlines
Tue 11/116:45 a.m.YUL - ATL
2 stops30h 53mMultiple Airlines
Deal found 10/9C$ 371
Sat 1/119:45 p.m.ATL - YUL
1 stop19h 43mMultiple Airlines
Wed 12/116:45 a.m.YUL - ATL
2 stops25h 13mMultiple Airlines
Deal found 10/9C$ 376
Sat 1/119:45 p.m.ATL - YUL
1 stop19h 43mMultiple Airlines
Mon 10/116:45 a.m.YUL - ATL
1 stop16h 23mMultiple Airlines
Deal found 10/9C$ 381
Wed 5/116:45 a.m.ATL - YUL
1 stop9h 40mMultiple Airlines
Sun 9/118:00 a.m.YUL - ATL
1 stop15h 08mMultiple Airlines
Deal found 10/9C$ 382
Sat 18/107:42 a.m.ATL - YUL
1 stop10h 13mMultiple Airlines
Tue 21/106:45 a.m.YUL - ATL
2 stops14h 24mMultiple Airlines
Deal found 10/9C$ 391
Sun 2/115:22 a.m.ATL - YUL
1 stop11h 06mMultiple Airlines
Sun 9/118:00 a.m.YUL - ATL
1 stop15h 08mMultiple Airlines
Deal found 10/9C$ 392
Wed 5/116:45 a.m.ATL - YUL
1 stop9h 40mMultiple Airlines
Sun 16/118:00 a.m.YUL - ATL
1 stop23h 58mMultiple Airlines
Deal found 11/9C$ 416
Tue 4/118:10 a.m.ATL - YUL
1 stop8h 15mMultiple Airlines
Sun 16/118:00 a.m.YUL - ATL
1 stop23h 58mMultiple Airlines
Deal found 11/9C$ 420
Thu 2/108:11 a.m.ATL - YUL
1 stop9h 44mMultiple Airlines
Mon 6/104:45 p.m.YUL - ATL
2 stops14h 51mMultiple Airlines
Deal found 11/9C$ 421
Sat 8/119:00 p.m.ATL - YUL
1 stop19h 25mMultiple Airlines
Sun 16/118:00 a.m.YUL - ATL
1 stop23h 58mMultiple Airlines
Deal found 11/9C$ 423
Wed 1/107:45 a.m.ATL - YUL
1 stop10h 10mMultiple Airlines
Mon 6/104:45 p.m.YUL - ATL
2 stops14h 51mMultiple Airlines
Deal found 10/9C$ 425

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 11 September 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

Wed 8/10

7:40 a.m.-10:15 p.m.

2 stops14h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

6:55 a.m.-12:22 a.m.

3 stops17h 27m

C$ 456

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Tue 30/9

7:45 a.m.-5:55 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

6:35 p.m.-8:30 a.m.

1 stop13h 55m

C$ 511

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 22/10

7:40 a.m.-5:55 p.m.

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

6:55 a.m.-12:18 a.m.

3 stops17h 23m

C$ 545

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Tue 14/10

7:33 p.m.-9:50 a.m.

1 stop14h 17m

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

10:30 a.m.-9:12 p.m.

1 stop10h 42m

C$ 557

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 4/10

6:20 p.m.-8:10 p.m.

3 stops25h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

10:45 a.m.-10:49 a.m.

3 stops24h 04m

C$ 563

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 1/11

9:45 p.m.-5:28 p.m.

1 stop19h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

2:45 p.m.-5:41 p.m.

Nonstop2h 56m

C$ 572

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Tue 4/11

8:30 a.m.-6:40 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

2:29 p.m.-11:10 p.m.

1 stop8h 41m

C$ 631

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 5/11

10:30 a.m.-6:40 p.m.

1 stop8h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

2:29 p.m.-11:10 p.m.

1 stop8h 41m

C$ 631

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sat 8/11

7:30 p.m.-8:36 a.m.

1 stop13h 06m

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

2:29 p.m.-11:10 p.m.

1 stop8h 41m

C$ 631

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 15/12

5:47 a.m.-4:28 p.m.

1 stop10h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

6:29 p.m.-9:38 p.m.

Nonstop3h 09m

C$ 635

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 results
1
2
3

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 29 August 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 88 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, October is the cheapest month in which you can book a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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 11 September 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 54% 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 11 September 2025.
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
8.0
Very good
7,960 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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.
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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.
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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.
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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?

    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 13 daily outbound flights to Montreal Pierre Elliott Trudeau Intl from 3 different airlines.

  • How long is the flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport?

    A quick flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport can take about 14h 17m. American Airlines provides one of the quickest options available for as low as C$ 557. Atlanta and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 1596 km.

  • 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$ 284. Other airlines that can offer you cheap pricing are Air Canada, from C$ 290, and United Airlines, from C$ 327. These flights start at 51% lower than the current average price 3 months from now.

  • 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: United Airlines (78%), LATAM Airlines (68%), Delta( 68%).

  • 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$ 233. On average you can expect to pay C$ 603. The most popular route, (Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 384.

  • 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, October is the cheapest month in which you can book a flight from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Atlanta to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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
Sherbrooke
Cornwall
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 284AverageC$ 556FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 290AverageC$ 718FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 327AverageC$ 783FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Atlanta to Pierre Elliott Trudeau Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Atlanta to Pierre Elliott Trudeau Intl with no change fees?

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.

Can Cheapflights notify me if prices for flights from Atlanta to Pierre Elliott Trudeau Intl become cheaper?

Of course! You can now track prices for flights from Atlanta to Pierre Elliott Trudeau Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.