Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville from C$ 353

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SDF
9 Apr — 16 Apr1
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 10 March 2026.

Tue 21/49:15 a.m.
YUL
-
SDF
1 stop11h 01m
United Airlines
Wed 22/410:00 a.m.
SDF
-
YUL
1 stop6h 05m
United Airlines
Deal found 5/3C$ 611
Sun 24/59:30 a.m.
YUL
-
SDF
1 stop11h 28m
Delta
Sat 30/51:55 p.m.
SDF
-
YUL
1 stop18h 44m
Delta
Deal found 6/3C$ 612
Thu 28/57:44 p.m.
YUL
-
SDF
1 stop17h 57m
Delta
Sun 31/56:00 a.m.
SDF
-
YUL
1 stop5h 35m
Delta
Deal found 6/3C$ 615
Mon 20/43:25 p.m.
YUL
-
SDF
1 stop7h 47m
United Airlines
Tue 28/42:30 p.m.
SDF
-
YUL
1 stop5h 15m
United Airlines
Deal found 5/3C$ 620
Wed 8/77:45 p.m.
YUL
-
SDF
1 stop17h 11m
Delta
Sun 12/71:59 p.m.
SDF
-
YUL
1 stop18h 44m
Delta
Deal found 5/3C$ 638
Sun 5/411:23 a.m.
YUL
-
SDF
1 stop7h 41m
United Airlines
Sun 12/46:00 a.m.
SDF
-
YUL
1 stop7h 09m
United Airlines
Deal found 6/3C$ 643
Fri 19/67:45 p.m.
YUL
-
SDF
1 stop15h 10m
Delta
Sun 21/63:24 p.m.
SDF
-
YUL
1 stop8h 32m
Delta
Deal found 6/3C$ 688
Tue 21/47:00 a.m.
YUL
-
SDF
1 stop9h 42m
Delta
Wed 22/45:48 p.m.
SDF
-
YUL
1 stop6h 03m
Delta
Deal found 8/3C$ 695
Tue 7/44:35 p.m.
YUL
-
SDF
1 stop18h 39m
Multiple Airlines
Tue 14/412:42 p.m.
SDF
-
YUL
2 stops35h 56m
Multiple Airlines
Deal found 8/3C$ 697

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 10 March 2026.

Round-trip from

C$ 611

One-way from

C$ 353

Popular in

December

Cheapest in

July

Average price

C$ 638
United Airlines
  • United Airlines
  • 21/4-22/4
  • 2 total stops
  • 17h 06m total
  • Montreal to Louisville
Search Deals
American Airlines
  • American Airlines
  • 21/4
  • 1 total stop
  • 9h 00m total
  • Montreal to Louisville
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 10 March 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

9:15 a.m.-8:16 p.m.

1 stop11h 01m

Louisville Intl

Wed 22/4

10:00 a.m.-4:05 p.m.

1 stop6h 05m

C$ 611

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

7:44 p.m.-1:41 p.m.

1 stop17h 57m

Louisville Intl

Sun 31/5

6:00 a.m.-11:35 a.m.

1 stop5h 35m

C$ 615
Quickest round-trip

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

3:25 p.m.-11:12 p.m.

1 stop7h 47m

Louisville Intl

Tue 28/4

2:30 p.m.-7:45 p.m.

1 stop5h 15m

C$ 620

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

7:45 p.m.-12:56 p.m.

1 stop17h 11m

Louisville Intl

Sun 12/7

1:59 p.m.-8:43 a.m.

1 stop18h 44m

C$ 638

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

9:20 a.m.-11:25 a.m.

1 stop26h 05m

Louisville Intl

Tue 14/4

5:11 p.m.-8:40 a.m.

1 stop15h 29m

C$ 639
Cheapest one-way

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

2:25 p.m.-10:40 p.m.

1 stop8h 15m

C$ 366

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

8:00 a.m.-11:14 a.m.

2 stops27h 14m

C$ 418

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:45 a.m.-8:16 p.m.

2 stops13h 31m

C$ 421
Quickest one-way

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

9:15 a.m.-2:47 p.m.

1 stop5h 32m

C$ 434

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

8:00 a.m.-7:42 p.m.

2 stops11h 42m

C$ 450

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Sorted by cheapest first

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, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Louisville (average of C$ 418). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in December is currently the most expensive (average of C$ 1,224). 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 10 March 2026.
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
3,288 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.0

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..
WestJet
7.2
Good
3,288 reviews
WestJet
7.2
Good
3,288 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.0

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..

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 and Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in about 11h 01m. The time it takes to get you to your destination can typically vary by up to 6h 56m. Airlines will cover a distance of 1278 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 493), offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Louisville.

  • 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, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Louisville (average of C$ 418). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in December is currently the most expensive (average of C$ 1,224). 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 Lexington flights
Pierre Elliott Trudeau Intl to Cincinnati flights
Pierre Elliott Trudeau Intl to Knoxville flights

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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 493AverageC$ 742FlexibilityNo 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.