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Pierre Elliott Trudeau Intl

$375+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YUL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/27. 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.
Tue 11/256:48 pmSDF - YUL
2 stops22h 07mMultiple Airlines
Tue 12/26:45 amYUL - SDF
2 stops11h 08mMultiple Airlines
Deal found 10/27$424
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/147:11 pmSDF - YUL
1 stop19h 59mMultiple Airlines
Sun 11/238:00 amYUL - SDF
1 stop11h 36mMultiple Airlines
Deal found 10/28$456
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/249:23 amSDF - YUL
2 stops22h 09mMultiple Airlines
Tue 12/26:45 amYUL - SDF
2 stops11h 08mMultiple Airlines
Deal found 10/29$459
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sun 12/1411:55 amSDF - YUL
1 stop28h 28mMultiple Airlines
Sun 12/214:35 pmYUL - SDF
2 stops31h 24mMultiple Airlines
Deal found 10/30$522
This Mytrip deal was found by Cheapflights users on 10/28. 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 12/1211:55 amSDF - YUL
3 stops36h 35mMultiple Airlines
Sun 12/145:25 pmYUL - SDF
2 stops17h 06mMultiple Airlines
Deal found 10/28$532
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/242:02 pmSDF - YUL
1 stop23h 58mUnited Airlines
Tue 12/24:45 pmYUL - SDF
1 stop20h 27mUnited Airlines
Deal found 10/29$542

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$424
(Mytrip)

One-way from

$375
(Delta)

Popular in

December

Cheapest in

February

Average price

$701
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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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 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

Tue 11/25

6:48 pm-4:55 pm

2 stops22h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 12/2

6:45 am-5:53 pm

2 stops11h 08m

$424

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Fri 11/14

7:11 pm-3:10 pm

1 stop19h 59m

Montreal Pierre Elliott Trudeau Intl

Sun 11/23

8:00 am-7:36 pm

1 stop11h 36m

$456

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Mon 11/24

9:23 am-7:32 am

2 stops22h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 12/2

6:45 am-5:53 pm

2 stops11h 08m

$459

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Fri 12/12

11:55 am-12:30 am

3 stops36h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

5:25 pm-10:31 am

2 stops17h 06m

$532

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 12/14

11:55 am-12:30 am

2 stops12h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 12/21

4:35 pm-2:12 pm

2 stops21h 37m

$539

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Mon 11/24

2:02 pm-2:00 pm

1 stop23h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 12/2

4:45 pm-1:12 pm

1 stop20h 27m

$542

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 3/24

1:43 pm-10:20 am

1 stop20h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 3/25

1:10 pm-10:18 pm

1 stop9h 08m

$544

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 3/24

6:54 am-3:00 pm

1 stop8h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 3/25

7:10 am-6:51 pm

2 stops11h 41m

$582

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 11/11

11:43 am-6:40 pm

1 stop6h 57m

$375

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 11/11

6:44 am-10:39 pm

2 stops15h 55m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October.
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 $194). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of $473). 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?

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 October 30, 2025.
See what other customers who have flown with Delta 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
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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. 1 airline 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.

  • What is the cheapest airline to fly 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. You may be able to fly from Louisville to Montreal Pierre Elliott Trudeau Intl Airport for 69% less than the average price by searching for this airline.

  • 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 $194). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of $473). 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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Top airline flying from Louisville to Pierre Elliott Trudeau Intl

Discover the top airline 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$383FlexibilityNo cancel feeOn-timeN/A

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