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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Louisville from C$ 323

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
25 Aug — 1 Sep1
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 26 July 2026.

Tue 15/99:30 a.m.
YUL
-
SDF
1 stop7h 40m
Delta
Tue 22/95:50 p.m.
SDF
-
YUL
1 stop5h 37m
Delta
Deal found 23/7C$ 562
Wed 12/812:47 p.m.
YUL
-
SDF
1 stop4h 32m
Delta
Fri 14/810:34 a.m.
SDF
-
YUL
1 stop5h 46m
Delta
Deal found 23/7C$ 603
Thu 24/98:00 p.m.
YUL
-
SDF
2 stops24h 33m
WestJet
Sun 27/910:32 a.m.
SDF
-
YUL
1 stop12h 55m
WestJet
Deal found 23/7C$ 606
Thu 20/88:00 p.m.
YUL
-
SDF
2 stops14h 32m
WestJet
Mon 24/86:00 a.m.
SDF
-
YUL
1 stop17h 52m
WestJet
Deal found 22/7C$ 607
Tue 15/97:00 a.m.
YUL
-
SDF
1 stop5h 20m
WestJet
Tue 22/97:55 a.m.
SDF
-
YUL
1 stop4h 03m
WestJet
Deal found 22/7C$ 610
Mon 24/86:00 a.m.
YUL
-
SDF
1 stop7h 51m
WestJet
Sun 13/910:32 a.m.
SDF
-
YUL
1 stop12h 55m
WestJet
Deal found 24/7C$ 612
Fri 16/106:50 p.m.
YUL
-
SDF
1 stop18h 59m
WestJet
Sun 18/107:55 a.m.
SDF
-
YUL
1 stop15h 32m
WestJet
Deal found 23/7C$ 621

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 26 July 2026.

Round-trip from

C$ 562

One-way from

C$ 323

Popular in

February

Cheapest in

September

Average price

C$ 817
Delta
  • Delta
  • 15/9-22/9
  • 2 total stops
  • 13h 17m total
  • Montreal to Louisville
Search Deals
United Airlines
  • United Airlines
  • 12/9
  • 1 total stop
  • 14h 22m total
  • Montreal to Louisville
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 26 July 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 15/9

9:30 a.m.-5:10 p.m.

1 stop7h 40m

Louisville Intl

Tue 22/9

5:50 p.m.-11:27 p.m.

1 stop5h 37m

C$ 562

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:45 a.m.-8:36 p.m.

1 stop10h 51m

Louisville Intl

Sat 29/8

1:50 p.m.-9:26 p.m.

1 stop7h 36m

C$ 562
Quickest round-trip

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

12:47 p.m.-5:19 p.m.

1 stop4h 32m

Louisville Intl

Fri 14/8

10:34 a.m.-4:20 p.m.

1 stop5h 46m

C$ 603

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

4:55 p.m.-11:59 p.m.

1 stop7h 04m

Louisville Intl

Fri 14/8

5:15 a.m.-10:40 a.m.

1 stop5h 25m

C$ 603

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

12:44 p.m.-11:59 p.m.

1 stop11h 15m

Louisville Intl

Sun 27/9

10:32 a.m.-11:27 p.m.

1 stop12h 55m

C$ 612

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

7:00 a.m.-10:46 p.m.

1 stop15h 46m

Louisville Intl

Sun 18/10

5:40 p.m.-11:27 p.m.

1 stop5h 47m

C$ 616

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

6:45 a.m.-9:16 p.m.

2 stops14h 31m

Louisville Intl

Tue 22/9

7:55 a.m.-11:27 p.m.

1 stop15h 32m

C$ 617

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Thu 6/8

6:51 p.m.-12:34 a.m.

1 stop5h 43m

Louisville Intl

Fri 6/11

7:55 a.m.-11:27 p.m.

1 stop15h 32m

C$ 619

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

6:00 a.m.-9:19 p.m.

1 stop15h 19m

Louisville Intl

Mon 24/8

5:50 p.m.-4:45 p.m.

2 stops22h 55m

C$ 619
Cheapest one-way

MontrealLouisville

YUL - SDF

YULSDF

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

6:10 a.m.-8:32 p.m.

1 stop14h 22m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Louisville?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to Louisville flights typically cost between C$ 689 and C$ 1,060 in September.
The cheapest round-trip price found within the last 5 days was C$ 562 on Delta (15 Sep-22 Sep).

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 0 airlines. 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 Delta and United Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to Louisville in about 7h 40m. The time it takes to get you to your destination can typically vary by up to 3h 11m. Airlines will cover a distance of 1278 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

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

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Why should you use Cheapflights to find cheap flight tickets 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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