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$289+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Louisville (SDF)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SDF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Pierre Elliott Trudeau Intl to Louisville

Cheapest flights from Pierre Elliott Trudeau Intl to Louisville
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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 12/246:25 pmYUL - SDF
1 stop26h 07mUnited Airlines
Sun 1/45:40 amSDF - YUL
1 stop4h 40mUnited Airlines
Deal found 12/9$557
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/307:08 amYUL - SDF
1 stop15h 06mAmerican Airlines
Fri 1/27:00 amSDF - YUL
1 stop8h 24mAmerican Airlines
Deal found 12/11$606
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/236:00 amYUL - SDF
1 stop14h 32mUnited Airlines
Sun 1/45:40 amSDF - YUL
1 stop4h 40mUnited Airlines
Deal found 12/9$641
This Booking.com deal was found by Cheapflights users on 12/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:10 amYUL - SDF
2 stops8h 18mAir Canada
Sun 1/45:40 amSDF - YUL
1 stop4h 40mAir Canada
Deal found 12/9$649
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/157:00 amYUL - SDF
1 stop11h 12mAmerican Airlines
Sat 1/36:27 amSDF - YUL
1 stop8h 43mAmerican Airlines
Deal found 12/11$715
This Gotogate deal was found by Cheapflights users on 12/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:10 amYUL - SDF
2 stops11h 20mAir Canada
Sun 1/49:55 amSDF - YUL
2 stops10h 49mAir Canada
Deal found 12/9$740

Find flight deals from Pierre Elliott Trudeau Intl to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Louisville (SDF). 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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$515
(United Airlines)

One-way from

$289
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$757
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Louisville Intl flights.
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From Montreal Pierre Elliott Trudeau Intl to Louisville Intl
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Louisville Intl
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Highest demand for flights based on searches. 10% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 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 Pierre Elliott Trudeau Intl to Louisville 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 12, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Louisville

Route

Depart

Return

Price

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

6:25 pm-10:23 am

1 stop15h 58m

Louisville Intl

Wed 1/21

2:05 pm-7:45 am

2 stops17h 40m

$515

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Wed 12/24

6:25 pm-8:32 pm

1 stop26h 07m

Louisville Intl

Sun 1/4

5:40 am-10:20 am

1 stop4h 40m

$557

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

3:55 pm-11:03 am

1 stop19h 08m

Louisville Intl

Fri 3/6

6:32 am-3:05 pm

1 stop8h 33m

$563

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 12/30

7:08 am-10:14 pm

1 stop15h 06m

Louisville Intl

Fri 1/2

7:00 am-3:24 pm

1 stop8h 24m

$606

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 12/23

6:00 am-8:32 pm

1 stop14h 32m

Louisville Intl

Sun 1/4

5:40 am-10:20 am

1 stop4h 40m

$641

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

2:30 pm-8:40 am

2 stops18h 10m

Louisville Intl

Fri 3/6

9:30 am-9:20 am

2 stops23h 50m

$644

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 1/24

8:00 am-2:41 pm

1 stop30h 41m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Pierre Elliott Trudeau Intl to Louisville

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 Pierre Elliott Trudeau Intl to Louisville in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 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 Montreal Pierre Elliott Trudeau Intl Airport-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Louisville 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 Montreal Pierre Elliott Trudeau Intl Airport-Louisville 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 Pierre Elliott Trudeau Intl to Louisville

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

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

Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Louisville (average of $274). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in September is currently the most expensive (average of $628). 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 Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated December 12, 2025.
See what other customers who have flown with Delta from Montreal Pierre Elliott Trudeau Intl Airport to Louisville 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
8,007 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Food

7.3

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Food

7.3

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 Pierre Elliott Trudeau Intl to Louisville. 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 into for flights to Louisville from Montreal Pierre Elliott Trudeau Intl?

    Located just 5.3 mi from the city center, Louisville Intl is the airport most travelers will use when flying to Louisville from Montreal Pierre Elliott Trudeau Intl. Booking flights from Montreal Pierre Elliott Trudeau Intl to Louisville Intl (SDF) should be relatively easy as there are 0 daily inbound flights from Montreal Pierre Elliott Trudeau Intl from 1 airline.

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

    For as low as $515, United Airlines can have you in Louisville from Montreal Pierre Elliott Trudeau Intl Airport in 15h 58m. Airlines will cover a distance of 794 mi.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Louisville round-trip?

    Flying on Delta is currently your cheapest option to Louisville, with prices starting at $295. This flight start at 43% lower than the current average price 3 months from now.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Louisville.

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

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

    Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Louisville (average of $274). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in September is currently the most expensive (average of $628). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Alternative routes for Pierre Elliott Trudeau Intl to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Pierre Elliott Trudeau Intl to Louisville

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to Louisville. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$295Average$488FlexibilityNo cancel feeOn-timeN/A

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