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Pierre Elliott Trudeau Intl

$356+ Cheap flights from Louisville (SDF) to Pierre Elliott Trudeau Intl (YUL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YUL
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Louisville to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 August 20, 2025.

Round-trip from

$356
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$524
From Louisville Intl to Montreal Pierre Elliott Trudeau Intl
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High demand for flights, 7% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Louisville to Pierre Elliott Trudeau Intl

Cheapest flights from Louisville to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Louisville to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:12 pmSDF - YUL
1 stop17h 34mAmerican Airlines
Mon 10/65:24 pmYUL - SDF
1 stop15h 59mAmerican Airlines
Deal found 8/20$356
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:20 pmSDF - YUL
1 stop16h 34mUnited Airlines
Fri 10/249:45 amYUL - SDF
1 stop24h 14mUnited Airlines
Deal found 8/20$388
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:45 amSDF - YUL
1 stop8h 41mUnited Airlines
Sat 10/186:40 pmYUL - SDF
1 stop15h 21mUnited Airlines
Deal found 8/19$425
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 11/269:11 pmSDF - YUL
1 stop17h 59mMultiple Airlines
Sun 11/304:35 pmYUL - SDF
1 stop28h 29mMultiple Airlines
Deal found 8/20$440
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:43 pmSDF - YUL
3 stops26h 34mMultiple Airlines
Fri 10/246:35 pmYUL - SDF
3 stops23h 28mMultiple Airlines
Deal found 8/20$441
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:58 pmSDF - YUL
2 stops19h 22mMultiple Airlines
Mon 10/136:45 amYUL - SDF
2 stops11h 08mMultiple Airlines
Deal found 8/19$466
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:20 pmSDF - YUL
1 stop15h 20mUnited Airlines
Mon 10/138:20 amYUL - SDF
1 stop10h 13mUnited Airlines
Deal found 8/19$522

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 August 20, 2025.
Use the filters below to find and compare flights from Louisville to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Louisville

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sat 9/27

6:12 pm-11:46 am

1 stop17h 34m

Montreal Pierre Elliott Trudeau Intl

Mon 10/6

5:24 pm-9:23 am

1 stop15h 59m

$356

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Mon 10/20

7:20 pm-11:54 am

1 stop16h 34m

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

9:45 am-9:59 am

1 stop24h 14m

$388

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 10/8

8:45 am-5:26 pm

1 stop8h 41m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

6:40 pm-10:01 am

1 stop15h 21m

$425

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 11/26

9:11 pm-3:10 pm

1 stop17h 59m

Montreal Pierre Elliott Trudeau Intl

Sun 11/30

4:35 pm-9:04 pm

1 stop28h 29m

$440

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Mon 10/20

6:43 pm-9:17 pm

3 stops26h 34m

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

6:35 pm-6:03 pm

3 stops23h 28m

$441

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Fri 10/10

6:58 pm-2:20 pm

2 stops19h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 10/13

6:45 am-5:53 pm

2 stops11h 08m

$466

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Fri 10/10

7:20 pm-10:40 am

1 stop15h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 10/13

8:20 am-6:33 pm

1 stop10h 13m

$522

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 8/27

10:50 am-10:59 pm

1 stop12h 09m

$466

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 8/27

1:59 pm-9:40 pm

2 stops7h 41m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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

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

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

Currently, January is the cheapest month in which you can book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 SDF to YUL?

Find hourly flight availability from Louisville 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 August 20, 2025.

It’s optimal to fly from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight at noon.

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 August 20, 2025.
See what other customers who have flown with Delta and WestJet from Louisville 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.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
3,040 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville 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 Louisville to Montreal Pierre Elliott Trudeau Intl?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Montreal Pierre Elliott Trudeau Intl. 2 airlines have flights from Louisville Intl to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Louisville Intl to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

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

    American Airlines and United Airlines can get you from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in just under 16h 34m. Your travel time can differ by up to 1h. The distance between Louisville and Montreal Pierre Elliott Trudeau Intl Airport is about 794 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Delta is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at $188. Another option worth looking into is WestJet, starting at $398 round trip. You may be able to fly from Louisville to Montreal Pierre Elliott Trudeau Intl Airport for 67% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from Louisville 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 Louisville to Pierre Elliott Trudeau Intl.

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

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

    Currently, January is the cheapest month in which you can book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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
Sherbrooke
Dorval

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Top 2 airlines flying from Louisville to Pierre Elliott Trudeau Intl

Discover the top 2 airlines that operate flights from Louisville 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$384FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$398Average$584FlexibilityNo cancel feeOn-time60%

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