HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pierre Elliott Trudeau Intl

$485+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YUL
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 21, 2025.

This American Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/26:04 amSDF - YUL
1 stop9h 05mAmerican Airlines
Tue 12/97:30 amYUL - SDF
2 stops12h 34mAmerican Airlines
Deal found 11/18$580
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:27 amSDF - YUL
1 stop8h 43mAmerican Airlines
Wed 12/317:30 amYUL - SDF
2 stops14h 24mAmerican Airlines
Deal found 11/19$638
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/29:55 amSDF - YUL
1 stop25h 43mUnited Airlines
Tue 12/92:13 pmYUL - SDF
1 stop24h 32mUnited Airlines
Deal found 11/19$666

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 November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$471
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$651
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
Highest demand for flights based on searches. 4% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 21, 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

Fri 2/13

9:00 am-10:20 am

1 stop25h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

9:25 am-10:13 pm

1 stop12h 48m

$485

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 1/22

6:12 pm-2:00 pm

1 stop19h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

4:45 pm-5:37 pm

1 stop24h 52m

$495

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 2/12

6:16 pm-1:45 pm

2 stops19h 29m

Montreal Pierre Elliott Trudeau Intl

Fri 2/13

3:55 pm-11:04 am

1 stop19h 09m

$520

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 2/12

5:35 am-10:20 am

1 stop4h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

6:00 am-8:14 pm

1 stop14h 14m

$536

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 2/12

8:14 pm-2:54 pm

1 stop18h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 2/16

5:25 pm-2:38 pm

2 stops21h 13m

$543

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sat 2/14

6:00 am-12:22 pm

1 stop6h 22m

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

2:25 pm-11:04 am

2 stops20h 39m

$545

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 2/12

8:14 pm-2:54 pm

1 stop18h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

5:25 pm-8:40 am

2 stops15h 15m

$548

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 2/12

6:32 am-10:50 pm

2 stops16h 18m

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

3:55 pm-11:04 am

1 stop19h 09m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 November.
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.

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 November 21, 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
8,002 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

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

    United Airlines and American Airlines can get you from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in just under 19h 29m. Your travel time can differ by up to 5h 51m. 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 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 70% 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 $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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$436FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.