Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville from C$ 236

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SDF
4 Aug — 11 Aug1
1 adult

Cheap 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 30 July 2025.

Round-trip from

C$ 458

One-way from

C$ 236

Popular in

July

Cheapest in

August

Average price

C$ 804
American Airlines
  • American Airlines
  • 13/9-20/9
  • 2 total stops
  • 28h 06m total
  • Montreal to Louisville
Search Deals
12/9
  • 12/9
  • 2 total stops
  • 26h 34m total
  • Montreal to Louisville
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find 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 30 July 2025.

Sat 13/912:31 p.m.YUL - SDF
1 stop10h 32mAmerican Airlines
Sat 20/96:12 p.m.SDF - YUL
1 stop17h 34mAmerican Airlines
Deal found 30/7C$ 458
Sat 13/96:45 a.m.YUL - SDF
1 stop26h 34mMultiple Airlines
Sat 20/910:14 a.m.SDF - YUL
2 stops31h 41mMultiple Airlines
Deal found 29/7C$ 552
Sat 13/98:20 a.m.YUL - SDF
1 stop12h 13mUnited Airlines
Sat 20/99:05 a.m.SDF - YUL
1 stop9h 45mUnited Airlines
Deal found 29/7C$ 622
Wed 6/812:47 p.m.YUL - SDF
1 stop21h 02mWestJet
Thu 7/812:50 p.m.SDF - YUL
1 stop5h 04mWestJet
Deal found 30/7C$ 942
Mon 4/86:59 p.m.YUL - SDF
1 stop5h 33mDelta
Thu 7/85:53 p.m.SDF - YUL
1 stop6h 02mDelta
Deal found 30/7C$ 1,084
Wed 6/81:00 p.m.YUL - SDF
2 stops9h 58mAir Canada
Thu 7/87:00 a.m.SDF - YUL
2 stops7h 21mAir Canada
Deal found 30/7C$ 1,119

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 629,999 searches. Data last updated 30 July 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

Sat 13/9

12:31 p.m.-11:03 p.m.

1 stop10h 32m

Louisville Intl

Sat 20/9

6:12 p.m.-11:46 a.m.

1 stop17h 34m

C$ 458

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

6:45 a.m.-9:19 a.m.

1 stop26h 34m

Louisville Intl

Sat 20/9

10:14 a.m.-5:55 p.m.

2 stops31h 41m

C$ 552

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

8:20 a.m.-8:33 p.m.

1 stop12h 13m

Louisville Intl

Sat 20/9

9:05 a.m.-6:50 p.m.

1 stop9h 45m

C$ 622

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

6:45 a.m.-9:19 a.m.

2 stops26h 34m

C$ 236

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

8:20 a.m.-10:00 a.m.

1 stop25h 40m

C$ 353

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Wed 13/8

7:50 a.m.-6:59 p.m.

2 stops11h 09m

C$ 465

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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 C$ 332). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in September is currently the most expensive (average of C$ 487). 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.

What is the cheapest time of day to fly from YUL to SDF?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to Louisville is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 37% on airfare.

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.

Detroit (DTW) – chosen by Cheapflights users on 67% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Louisville on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.

New York (LGA) is the most affordable 1-stop option, with an average round-trip price of C$ 415.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Louisville?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 4h 59m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 0h 51m.

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 30 July 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

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?

    Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from Montreal Pierre Elliott Trudeau Intl. On average, Louisville Intl has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 2 airlines. Louisville Intl is conveniently located just 8.5 km from Louisville’s city centre.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville round-trip?

    According to our current data, American Airlines (C$ 458), and United Airlines (C$ 622) offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Louisville. American Airlines is currently priced 16% below the average price you’ll pay for this route.

  • 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 C$ 332). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in September is currently the most expensive (average of C$ 487). 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

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.

Alternative routes for Pierre Elliott Trudeau Intl to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Nashville flights
Pierre Elliott Trudeau Intl to Cincinnati flights
Pierre Elliott Trudeau Intl to Knoxville flights
Pierre Elliott Trudeau Intl to Lexington flights

Top 2 airlines flying from Pierre Elliott Trudeau Intl to Louisville

Discover the top 2 airlines 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 629,999 searches. Data last updated 30 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 378AverageC$ 462FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 413AverageC$ 506FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Louisville?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Louisville from Pierre Elliott Trudeau Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Louisville?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Louisville by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Louisville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Louisville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Louisville become cheaper?

Not ready to book yet? You can track prices for flights from Pierre Elliott Trudeau Intl to Louisville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.