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

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

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta

The most flights from YUL to ATL are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

In terms of precipitation, rainfall in Atlanta ranges from 3.4 - 5.3 inches per month. July is typically the wettest month, when rainfall can reach 5.3 in. April is typically the driest time to visit Atlanta when rainfall is around 3.4 in.

If weather is an important factor for your trip to Atlanta, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta?

When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta, you may want to consider flying on Air Canada, Delta or United Airlines as they are the most popular for this route.

What airport do you fly into for flights to Atlanta from Montreal Pierre Elliott Trudeau Intl?

Most people fly into Atlanta Hartsfield-Jackson (ATL) if they book a flight to Atlanta from Montreal Pierre Elliott Trudeau Intl. On average, Hartsfield-Jackson has 15 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 4 airlines. Atlanta Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.

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

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

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

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Atlanta by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$157+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta

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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Atlanta Hartsfield-Jackson are usually found in November or April, booked 83 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from Pierre Elliott Trudeau Intl to Atlanta

Round-trip from	$300 (Kiwi.com)
One-way from	$157 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$482
Good round-trip deal	$454 or less
Good one-way deal	$233 or less

From Montreal Pierre Elliott Trudeau Intl to Atlanta Hartsfield-Jackson

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One-way flight from Montreal Pierre Elliott Trudeau Intl to Atlanta Hartsfield-Jackson

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High demand for flights, 2% potential price rise

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Atlanta Hartsfield-Jackson.

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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Atlanta Hartsfield-Jackson.

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Find flight deals from Pierre Elliott Trudeau Intl to Atlanta

Cheapest flights from Pierre Elliott Trudeau Intl to Atlanta
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Tue 10/76:35 pmYUL - ATL

1 stop13h 59mMultiple Airlines

Tue 10/148:11 amATL - YUL

1 stop9h 44mMultiple Airlines

Deal found 9/15

$300

Tue 10/76:35 pmYUL - ATL

1 stop13h 59mMultiple Airlines

Tue 10/2810:46 pmATL - YUL

2 stops11h 59mMultiple Airlines

Deal found 9/15

$301

Mon 11/106:45 amYUL - ATL

2 stops16h 23mMultiple Airlines

Mon 11/1710:09 pmATL - YUL

1 stop17h 01mMultiple Airlines

Deal found 9/15

$302

Tue 10/146:35 pmYUL - ATL

1 stop13h 01mMultiple Airlines

Tue 10/217:13 pmATL - YUL

2 stops29h 28mMultiple Airlines

Deal found 9/15

$304

Tue 10/216:45 amYUL - ATL

2 stops14h 24mMultiple Airlines

Tue 10/288:45 amATL - YUL

1 stop28h 47mMultiple Airlines

Deal found 9/15

$307

Fri 10/246:35 pmYUL - ATL

1 stop14h 44mMultiple Airlines

Tue 10/289:14 amATL - YUL

1 stop7h 11mMultiple Airlines

Deal found 9/16

$312

Wed 11/125:10 pmYUL - ATL

1 stop6h 27mMultiple Airlines

Wed 11/199:14 amATL - YUL

1 stop7h 11mMultiple Airlines

Deal found 9/15

$313

Sat 10/46:45 amYUL - ATL

1 stop13h 27mMultiple Airlines

Tue 10/710:13 amATL - YUL

2 stops14h 14mMultiple Airlines

Deal found 9/16

$317

Wed 10/156:55 amYUL - ATL

3 stops17h 27mMultiple Airlines

Wed 10/229:17 pmATL - YUL

2 stops27h 10mMultiple Airlines

Deal found 9/15

$318

Best flights from Pierre Elliott Trudeau Intl to Atlanta
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Atlanta that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Tue 10/216:45 amYUL - ATL

2 stops14h 24mMultiple Airlines

Tue 10/288:45 amATL - YUL

1 stop28h 47mMultiple Airlines

Deal found 9/15

$307

Fri 10/246:35 pmYUL - ATL

1 stop14h 44mMultiple Airlines

Tue 10/289:14 amATL - YUL

1 stop7h 11mMultiple Airlines

Deal found 9/16

$312

Tue 10/148:55 amYUL - ATL

3 stops15h 27mMultiple Airlines

Fri 10/179:09 amATL - YUL

2 stops15h 18mMultiple Airlines

Deal found 9/14

$328

Wed 10/296:45 amYUL - ATL

1 stop25h 10mMultiple Airlines

Wed 11/56:45 amATL - YUL

1 stop9h 40mMultiple Airlines

Deal found 9/14

$329

Mon 10/136:45 amYUL - ATL

2 stops30h 32mMultiple Airlines

Mon 10/207:52 amATL - YUL

1 stop10h 03mMultiple Airlines

Deal found 9/15

$352

Thu 10/236:45 amYUL - ATL

1 stop13h 24mMultiple Airlines

Mon 10/278:25 amATL - YUL

2 stops29h 07mMultiple Airlines

Deal found 9/16

$352

Sat 10/186:45 amYUL - ATL

3 stops23h 25mMultiple Airlines

Sat 10/257:48 amATL - YUL

2 stops16h 53mMultiple Airlines

Deal found 9/15

$352

Wed 10/226:35 pmYUL - ATL

1 stop13h 01mMultiple Airlines

Sun 10/268:45 amATL - YUL

1 stop28h 47mMultiple Airlines

Deal found 9/16

$357

Last-minute flights from Pierre Elliott Trudeau Intl to Atlanta
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Atlanta. Data last updated September 16, 2025 and is based on user searches.

Sat 9/276:45 amYUL - ATL

1 stop17h 10mMultiple Airlines

Tue 10/710:13 amATL - YUL

2 stops14h 14mMultiple Airlines

Deal found 9/15

$322

Sat 10/46:45 amYUL - ATL

1 stop13h 27mMultiple Airlines

Tue 10/710:13 amATL - YUL

2 stops14h 14mMultiple Airlines

Deal found 9/16

$317

Tue 10/76:35 pmYUL - ATL

1 stop13h 59mMultiple Airlines

Tue 10/148:11 amATL - YUL

1 stop9h 44mMultiple Airlines

Deal found 9/15

$300

Tue 10/76:35 pmYUL - ATL

1 stop13h 59mMultiple Airlines

Tue 10/2810:46 pmATL - YUL

2 stops11h 59mMultiple Airlines

Deal found 9/15

$301

Tue 10/146:35 pmYUL - ATL

1 stop13h 01mMultiple Airlines

Tue 10/217:13 pmATL - YUL

2 stops29h 28mMultiple Airlines

Deal found 9/15

$304

Wed 10/156:55 amYUL - ATL

3 stops17h 27mMultiple Airlines

Wed 10/229:17 pmATL - YUL

2 stops27h 10mMultiple Airlines

Deal found 9/15

$318

Tue 10/216:45 amYUL - ATL

2 stops14h 24mMultiple Airlines

Tue 10/288:45 amATL - YUL

1 stop28h 47mMultiple Airlines

Deal found 9/15

$307

Fri 10/246:35 pmYUL - ATL

1 stop14h 44mMultiple Airlines

Tue 10/289:14 amATL - YUL

1 stop7h 11mMultiple Airlines

Deal found 9/16

$312

One-way flights from Pierre Elliott Trudeau Intl to Atlanta
Search for one-way flight options from Pierre Elliott Trudeau Intl to Atlanta. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Wed 12/1010:35 amYUL - ATL

2 stops21h 34mMultiple Airlines

Deal found 9/14

$157

Sun 11/168:00 amYUL - ATL

1 stop23h 58mMultiple Airlines

Deal found 9/14

$160

Wed 10/158:55 amYUL - ATL

3 stops23h 18mMultiple Airlines

Deal found 9/15

$161

Sun 12/148:00 amYUL - ATL

1 stop16h 11mMultiple Airlines

Deal found 9/14

$163

Mon 11/106:45 amYUL - ATL

2 stops16h 23mMultiple Airlines

Deal found 9/14

$164

Tue 10/216:45 amYUL - ATL

2 stops14h 24mMultiple Airlines

Deal found 9/15

$165

Tue 11/116:45 amYUL - ATL

2 stops30h 53mMultiple Airlines

Deal found 9/15

$167

Wed 2/48:00 amYUL - ATL

1 stop10h 12mMultiple Airlines

Deal found 9/14

$172

Mon 12/1510:35 amYUL - ATL

2 stops21h 34mMultiple Airlines

Deal found 9/15

$175

Tue 10/144:45 pmYUL - ATL

2 stops14h 51mMultiple Airlines

Deal found 9/14

$176

Thu 12/118:00 amYUL - ATL

1 stop16h 11mMultiple Airlines

Deal found 9/14

$177

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

6:45 am-9:09 pm

2 stops14h 24m

Atlanta Hartsfield-Jackson

Tue 10/28

8:45 am-1:32 pm

1 stop28h 47m

$307

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

6:35 pm-9:19 am

1 stop14h 44m

Atlanta Hartsfield-Jackson

Tue 10/28

9:14 am-4:25 pm

1 stop7h 11m

$312

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

8:55 am-12:22 am

3 stops15h 27m

Atlanta Hartsfield-Jackson

Fri 10/17

9:09 am-12:27 am

2 stops15h 18m

$328

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Wed 10/29

6:45 am-7:55 am

1 stop25h 10m

Atlanta Hartsfield-Jackson

Wed 11/5

6:45 am-4:25 pm

1 stop9h 40m

$329

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Mon 10/13

6:45 am-1:17 pm

2 stops30h 32m

Atlanta Hartsfield-Jackson

Mon 10/20

7:52 am-5:55 pm

1 stop10h 03m

$352

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Thu 10/23

6:45 am-8:09 pm

1 stop13h 24m

Atlanta Hartsfield-Jackson

Mon 10/27

8:25 am-1:32 pm

2 stops29h 07m

$352

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

6:45 am-6:10 am

3 stops23h 25m

Atlanta Hartsfield-Jackson

Sat 10/25

7:48 am-12:41 am

2 stops16h 53m

$352

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

6:35 pm-7:36 am

1 stop13h 01m

Atlanta Hartsfield-Jackson

Sun 10/26

8:45 am-1:32 pm

1 stop28h 47m

$357

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

8:00 am-12:11 am

1 stop16h 11m

$160

MontrealAtlanta

YUL - ATL

YULATL

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

6:45 am-11:35 pm

2 stops16h 50m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results

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

Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to Atlanta trip

Airports

YUL

Use YULExpress to pre-book security fast track up to 72 hours before departure for a smoother experience.

ATL

After landing at ATL, take the MARTA train for a quick 15-20 minute ride to downtown Atlanta.

Our travel experts

John Walton

Expert on YUL

Chris Dong

Expert on ATL

Best time to book a flight from Pierre Elliott Trudeau Intl to Atlanta

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

Prices

Airlines

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

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta, you should look to book at least 83 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 Montreal Pierre Elliott Trudeau Intl Airport to Atlanta?

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta (average of $190). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta in June is currently the most expensive (average of $246). 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 YUL to ATL?

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta in the evening. If you’re flexible enough to do this you can expect to save up to 63% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Atlanta

Read reviews from past customers who have flown Delta, United Airlines, and WestJet from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta. 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

7,957 reviews

Reviews

1 / 20

8.0

Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.

Delta

8.0

Very good

7,957 reviews

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

8.0

Excellent

Michael,Jul 2025

AMS - ATL

United Airlines

7.4

Good

8,924 reviews

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

8.0

Excellent

Michael,Jul 2025

AMS - ATL

WestJet

7.2

Good

3,093 reviews

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

8.0

Excellent

Michael,Jul 2025

AMS - ATL

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

8.0

Excellent

Michael,Jul 2025

AMS - ATL

Related info for your journey

What airport do you fly into for flights to Atlanta from Montreal Pierre Elliott Trudeau Intl?
Most people fly into Atlanta Hartsfield-Jackson (ATL) if they book a flight to Atlanta from Montreal Pierre Elliott Trudeau Intl. On average, Hartsfield-Jackson has 15 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 4 airlines. Atlanta Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta round-trip?
Currently priced at $250, Delta will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $359 and $378, respectively. Delta is priced at 46% lower than the current average price of a flight leaving 3 months from now.
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta?
The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta are Sun Country Air (100%), Aeromexico (97%) and KLM (92%).
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta?
The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta is $194. On average you can expect to pay $487. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Atlanta Hartsfield-Jackson), can usually be booked for $296.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Atlanta that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Atlanta flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Atlanta?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Atlanta.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Atlanta?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Atlanta 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 Montreal Pierre Elliott Trudeau Intl Airport to Atlanta?
Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta (average of $190). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta in June is currently the most expensive (average of $246). 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.

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Top 4 airlines flying from Pierre Elliott Trudeau Intl to Atlanta

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$250	Average$472	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$359	Average$488	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$378	Average$653	FlexibilityNo cancel fee	On-time69%
WestJet	Cheapest$416	Average$637	FlexibilityNo cancel fee	On-time60%

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$157+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Atlanta (ATL)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pierre Elliott Trudeau Intl to Atlanta with Cheapflights

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3. Compare prices and book

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Atlanta Hartsfield-Jackson are usually found in November or April, booked 83 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from Pierre Elliott Trudeau Intl to Atlanta

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Find flight deals from Pierre Elliott Trudeau Intl to Atlanta

Cheapest flights from Pierre Elliott Trudeau Intl to AtlantaExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta that are best for you.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to Atlanta trip

Airports

YUL

ATL

Our travel experts

Best time to book a flight from Pierre Elliott Trudeau Intl to Atlanta

Have a flexible travel schedule? Discover the best time to fly to Atlanta from Pierre Elliott Trudeau Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta

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

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

What is the cheapest time of day to fly from YUL to ATL?

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to Atlanta

Reviews of airlines servicing Atlanta

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Atlanta. 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 into for flights to Atlanta from Montreal Pierre Elliott Trudeau Intl?

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

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

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

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

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

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

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

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Alternative routes for Pierre Elliott Trudeau Intl to Atlanta

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Top 4 airlines flying from Pierre Elliott Trudeau Intl to Atlanta

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Cheapest flights from Pierre Elliott Trudeau Intl to Atlanta
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.