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Pierre Elliott Trudeau Intl

$271+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YUL
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This American Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 5/17:05 pm
SDF
-
YUL
1 stop16h 39m
American Airlines
Sun 5/312:30 pm
YUL
-
SDF
1 stop11h 13m
American Airlines
Deal found 2/18$386
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 5/87:05 pm
SDF
-
YUL
1 stop16h 39m
American Airlines
Mon 5/1112:30 pm
YUL
-
SDF
1 stop9h 00m
American Airlines
Deal found 2/16$424
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/268:14 pm
SDF
-
YUL
1 stop18h 51m
Multiple Airlines
Sun 3/295:25 pm
YUL
-
SDF
2 stops17h 49m
Multiple Airlines
Deal found 2/15$442
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Fri 5/112:36 pm
SDF
-
YUL
1 stop11h 49m
Multiple Airlines
Sun 5/38:35 pm
YUL
-
SDF
2 stops22h 23m
Multiple Airlines
Deal found 2/18$445
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Wed 3/111:19 pm
SDF
-
YUL
3 stops25h 51m
Multiple Airlines
Mon 3/165:25 pm
YUL
-
SDF
2 stops18h 22m
Multiple Airlines
Deal found 2/18$449
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:35 am
SDF
-
YUL
1 stop12h 00m
Delta
Tue 3/249:20 am
YUL
-
SDF
1 stop11h 22m
Delta
Deal found 2/18$451
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:04 pm
SDF
-
YUL
1 stop15h 26m
Delta
Mon 3/237:30 pm
YUL
-
SDF
1 stop15h 55m
Delta
Deal found 2/18$458
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/169:00 am
SDF
-
YUL
1 stop12h 17m
United Airlines
Wed 3/259:25 am
YUL
-
SDF
1 stop12h 48m
United Airlines
Deal found 2/18$490
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:05 am
SDF
-
YUL
2 stops10h 30m
Delta
Thu 3/267:30 pm
YUL
-
SDF
1 stop15h 55m
Delta
Deal found 2/18$498
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Sun 4/56:33 am
SDF
-
YUL
1 stop8h 25m
American Airlines
Sun 4/122:32 pm
YUL
-
SDF
1 stop18h 06m
American Airlines
Deal found 2/18$504

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$386
(American Airlines)

One-way from

$271
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$188
Provider with most accurate pricing for Louisville Intl-Montreal Pierre Elliott Trudeau Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Montreal Pierre Elliott Trudeau Intl flights.
Search Deals
From Louisville Intl to Montreal Pierre Elliott Trudeau Intl
Search Deals
One-way flight from Louisville Intl to Montreal Pierre Elliott Trudeau Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 19, 2026.
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

Fri 5/8

7:05 pm-11:44 am

1 stop16h 39m

Montreal Pierre Elliott Trudeau Intl

Mon 5/11

12:30 pm-12:23 am

1 stop11h 53m

$424

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 3/26

8:14 pm-3:05 pm

1 stop18h 51m

Montreal Pierre Elliott Trudeau Intl

Sun 3/29

5:25 pm-11:14 am

2 stops17h 49m

$442

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 3/17

6:35 am-6:35 pm

1 stop12h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 3/27

9:20 am-8:42 pm

1 stop11h 22m

$451

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 3/17

6:35 am-6:35 pm

1 stop12h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 3/24

9:20 am-8:42 pm

1 stop11h 22m

$451

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 3/15

6:35 am-6:35 pm

1 stop12h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 3/24

9:20 am-8:42 pm

1 stop11h 22m

$451

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 3/18

5:04 pm-8:30 am

1 stop15h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 3/27

9:20 am-8:42 pm

1 stop11h 22m

$451

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 3/18

5:04 pm-8:30 am

1 stop15h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 3/24

9:20 am-8:42 pm

1 stop11h 22m

$451

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 3/18

5:04 pm-8:30 am

1 stop15h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

7:30 pm-11:25 am

1 stop15h 55m

$458

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Mon 3/16

5:04 pm-8:30 am

1 stop15h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 3/24

7:30 pm-11:25 am

1 stop15h 55m

$458

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sat 4/4

6:00 am-1:09 pm

1 stop7h 09m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 13 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January is currently the most expensive (average of $722). 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.

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 16h 39m. 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 January is currently the most expensive (average of $722). 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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