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Pierre Elliott Trudeau Intl

$215+ Cheap flights from Louisville (SDF) to Pierre Elliott Trudeau Intl (YUL)

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YUL
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap 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 December 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Thu 12/255:05 amSDF - YUL
1 stop10h 05mMultiple Airlines
Sun 12/288:25 pmYUL - SDF
2 stops42h 25mMultiple Airlines
Deal found 12/5$685
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/245:05 amSDF - YUL
1 stop11h 18mMultiple Airlines
Sun 12/288:25 pmYUL - SDF
2 stops42h 25mMultiple Airlines
Deal found 12/5$698
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Thu 12/255:05 amSDF - YUL
1 stop10h 05mMultiple Airlines
Sat 12/275:10 pmYUL - SDF
2 stops30h 49mMultiple Airlines
Deal found 12/5$704
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/245:05 amSDF - YUL
1 stop11h 18mMultiple Airlines
Sat 12/275:10 pmYUL - SDF
2 stops30h 49mMultiple Airlines
Deal found 12/5$716
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/245:40 amSDF - YUL
1 stop15h 37mUnited Airlines
Sat 12/276:00 amYUL - SDF
1 stop7h 13mUnited Airlines
Deal found 12/3$754
This American Airlines deal was found by Cheapflights users on 12/5. 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.
Wed 12/243:44 pmSDF - YUL
1 stop22h 02mAmerican Airlines
Sun 12/283:50 pmYUL - SDF
1 stop7h 40mAmerican Airlines
Deal found 12/5$765
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
Mon 12/811:21 amSDF - YUL
2 stops24h 14mMultiple Airlines
Wed 12/106:45 amYUL - SDF
1 stop28h 15mMultiple Airlines
Deal found 12/4$786
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Mon 12/295:49 pmSDF - YUL
1 stop21h 21mAmerican Airlines
Fri 1/27:30 amYUL - SDF
1 stop14h 11mAmerican Airlines
Deal found 12/4$840
This Air Canada deal was found by Cheapflights users on 12/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:05 amSDF - YUL
1 stop6h 52mAir Canada
Wed 12/3112:10 pmYUL - SDF
2 stops10h 20mAir Canada
Deal found 12/4$841
This Mytrip deal was found by Cheapflights users on 12/5. 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.
Sat 12/275:05 amSDF - YUL
1 stop11h 18mMultiple Airlines
Sun 1/47:20 pmYUL - SDF
3 stops28h 39mMultiple Airlines
Deal found 12/5$846

Find 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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$324
(American Airlines)

One-way from

$214
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$838
Provider with most accurate pricing for Louisville Intl-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Montreal Pierre Elliott Trudeau Intl flights.
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From Louisville Intl to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Louisville Intl to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 4% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 5, 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

Sun 1/11

8:14 pm-2:54 pm

1 stop18h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 1/19

8:00 am-2:41 pm

1 stop30h 41m

$359

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 1/7

5:05 am-12:30 am

2 stops19h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 1/19

8:00 am-2:41 pm

1 stop30h 41m

$416

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 1/13

3:36 pm-4:22 pm

1 stop24h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

10:15 am-10:07 am

2 stops23h 52m

$449

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 1/13

3:36 pm-4:22 pm

1 stop24h 46m

Montreal Pierre Elliott Trudeau Intl

Sat 1/17

5:25 pm-2:41 pm

2 stops21h 16m

$457

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 1/8

7:13 pm-3:08 pm

1 stop19h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

3:50 pm-12:32 pm

1 stop20h 42m

$460

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sat 1/10

12:56 pm-3:08 pm

1 stop26h 12m

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

3:50 pm-12:26 pm

1 stop20h 36m

$460

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sat 1/10

12:56 pm-3:08 pm

1 stop26h 12m

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

3:50 pm-12:32 pm

1 stop20h 42m

$460

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sat 1/10

12:56 pm-3:08 pm

1 stop26h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 1/19

3:50 pm-6:39 pm

1 stop26h 49m

$460

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 1/13

7:13 pm-3:08 pm

1 stop19h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 1/20

3:50 pm-12:32 pm

1 stop20h 42m

$460

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 1/18

3:36 pm-8:55 pm

3 stops29h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

8:00 am-1:00 pm

2 stops29h 00m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Showing 1-10 of 16 results
1
2

Compare providers for flights from Louisville to Pierre Elliott Trudeau Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Pierre Elliott Trudeau Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, October is the cheapest month in which you can book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport (average of $184). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $453). 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.

How much does it cost to fly round-trip from Louisville to Montreal Pierre Elliott Trudeau Intl Airport?

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. 0 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 can get you from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in just under 26h 12m. Your travel time can differ by up to . The distance between Louisville and Montreal Pierre Elliott Trudeau Intl Airport is about 794 mi.

  • 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, October is the cheapest month in which you can book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport (average of $184). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $453). 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
Dorval

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