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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville from C$ 399

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SDF
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Louisville

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 24/126:25 p.m.YUL - SDF
1 stop26h 07mUnited Airlines
Sun 4/15:40 a.m.SDF - YUL
1 stop4h 40mUnited Airlines
Deal found 9/12C$ 768
Tue 30/127:08 a.m.YUL - SDF
1 stop15h 06mAmerican Airlines
Fri 2/17:00 a.m.SDF - YUL
1 stop8h 24mAmerican Airlines
Deal found 11/12C$ 836
Tue 23/126:00 a.m.YUL - SDF
1 stop14h 32mUnited Airlines
Sun 4/15:40 a.m.SDF - YUL
1 stop4h 40mUnited Airlines
Deal found 9/12C$ 884
Tue 23/129:10 a.m.YUL - SDF
2 stops8h 18mAir Canada
Sun 4/15:40 a.m.SDF - YUL
1 stop4h 40mAir Canada
Deal found 9/12C$ 895
Mon 15/127:00 a.m.YUL - SDF
1 stop11h 12mAmerican Airlines
Sat 3/16:27 a.m.SDF - YUL
1 stop8h 43mAmerican Airlines
Deal found 11/12C$ 986
Wed 24/1211:10 a.m.YUL - SDF
2 stops11h 20mAir Canada
Sun 4/19:55 a.m.SDF - YUL
2 stops10h 49mAir Canada
Deal found 9/12C$ 1,021

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 12 December 2025.

Round-trip from

C$ 710

One-way from

C$ 399

Popular in

December

Cheapest in

April

Average price

C$ 1,044
United Airlines
  • United Airlines
  • 18/1-21/1
  • 2 total stops
  • 39h 53m total
  • Montreal to Louisville
Search Deals
24/1
  • 24/1
  • 1 total stop
  • 30h 41m total
  • Montreal to Louisville
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 52 potential savings vs. average RT price).
Search Deals
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 629,999 searches. Data last updated 12 December 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 18/1

6:25 p.m.-10:23 a.m.

1 stop15h 58m

Louisville Intl

Wed 21/1

2:05 p.m.-7:45 a.m.

2 stops17h 40m

C$ 710

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Wed 24/12

6:25 p.m.-8:32 p.m.

1 stop26h 07m

Louisville Intl

Sun 4/1

5:40 a.m.-10:20 a.m.

1 stop4h 40m

C$ 768

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

3:55 p.m.-11:03 a.m.

1 stop19h 08m

Louisville Intl

Fri 6/3

6:32 a.m.-3:05 p.m.

1 stop8h 33m

C$ 776

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 30/12

7:08 a.m.-10:14 p.m.

1 stop15h 06m

Louisville Intl

Fri 2/1

7:00 a.m.-3:24 p.m.

1 stop8h 24m

C$ 836

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 23/12

6:00 a.m.-8:32 p.m.

1 stop14h 32m

Louisville Intl

Sun 4/1

5:40 a.m.-10:20 a.m.

1 stop4h 40m

C$ 884

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

2:30 p.m.-8:40 a.m.

2 stops18h 10m

Louisville Intl

Fri 6/3

9:30 a.m.-9:20 a.m.

2 stops23h 50m

C$ 888

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

8:00 a.m.-2:41 p.m.

1 stop30h 41m

C$ 399

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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$ 378). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in September is currently the most expensive (average of C$ 866). 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 12 December 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 36% on airfare.

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 12 December 2025.
Read reviews from past customers who have flown WestJet 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.
WestJet
7.2
Good
3,195 reviews
Check prices

Comfort

7.1

Crew

7.9

Overall

7.2

Entertainment

6.1

Food

6.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!
WestJet
7.2
Good
3,195 reviews
WestJet
7.2
Good
3,195 reviews
Check prices

Comfort

7.1

Crew

7.9

Overall

7.2

Entertainment

6.1

Food

6.2

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!

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 1 airline. Louisville Intl is conveniently located just 8.5 km from Louisville’s city centre.

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

    Airlines like United Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in about 15h 58m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1278 km.

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

    According to our current data, WestJet (C$ 378), offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Louisville. WestJet is currently priced 47% 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$ 378). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in September is currently the most expensive (average of C$ 866). 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.

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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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 378AverageC$ 570FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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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.

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