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Pierre Elliott Trudeau Intl

$214+ Cheap flights from Louisville (SDF) to Pierre Elliott Trudeau Intl (YUL)

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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YUL
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
1 adult, Economy
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Cheap flight deals from Louisville to Pierre Elliott Trudeau Intl

Cheapest flights from Louisville to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Louisville to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.

This Justfly.com deal was found by Cheapflights users on 7/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:29 pm
SDF
-
YUL
1 stop7h 15m
WestJet
Tue 9/297:00 am
YUL
-
SDF
1 stop10h 10m
WestJet
Deal found 7/13$481
This FlightHub deal was found by Cheapflights users on 7/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:50 pm
SDF
-
YUL
1 stop6h 02m
WestJet
Tue 8/1812:44 pm
YUL
-
SDF
1 stop6h 49m
WestJet
Deal found 7/12$487
This FlightHub deal was found by Cheapflights users on 7/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:09 am
SDF
-
YUL
1 stop15h 50m
WestJet
Wed 9/166:00 am
YUL
-
SDF
1 stop3h 52m
WestJet
Deal found 7/14$496
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/111:50 pm
SDF
-
YUL
1 stop7h 36m
United Airlines
Wed 8/123:25 pm
YUL
-
SDF
1 stop7h 34m
United Airlines
Deal found 7/12$507
This FlightHub deal was found by Cheapflights users on 7/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:40 pm
SDF
-
YUL
1 stop5h 47m
WestJet
Sun 10/187:00 am
YUL
-
SDF
1 stop17h 02m
WestJet
Deal found 7/14$510
This lastminute.com deal was found by Cheapflights users on 7/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
SDF
-
YUL
1 stop5h 39m
WestJet
Wed 8/126:51 pm
YUL
-
SDF
1 stop5h 33m
WestJet
Deal found 7/14$515
This oojo deal was found by Cheapflights users on 7/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:50 am
SDF
-
YUL
1 stop16h 50m
WestJet
Mon 8/175:10 pm
YUL
-
SDF
1 stop16h 44m
WestJet
Deal found 7/14$529
This Justfly.com deal was found by Cheapflights users on 7/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:55 pm
SDF
-
YUL
2 stops37h 10m
WestJet
Fri 9/186:00 am
YUL
-
SDF
1 stop8h 07m
WestJet
Deal found 7/11$530

Find flight deals from Louisville to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Pierre Elliott Trudeau Intl (YUL). 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 July 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$481
(Justfly.com)

One-way from

$214
(American Airlines)

Popular in

May

Cheapest in

July

Average price

$572
Provider with most accurate pricing for Louisville Intl-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Montreal Pierre Elliott Trudeau Intl flights.
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From Louisville Intl to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Louisville Intl to Montreal Pierre Elliott Trudeau Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Pierre Elliott Trudeau Intl 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 July 16, 2026.
Use the filters below to find and compare flights from Louisville to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 8/11

1:50 pm-9:26 pm

1 stop7h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 8/12

3:25 pm-10:59 pm

1 stop7h 34m

$496

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Fri 9/11

5:59 pm-8:35 am

1 stop14h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 9/16

7:00 am-11:59 pm

1 stop16h 59m

$496

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 9/15

5:55 pm-7:05 am

2 stops37h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 9/18

6:00 am-9:16 pm

1 stop15h 16m

$530
Quickest round-trip

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sat 10/3

5:30 pm-11:27 pm

1 stop5h 57m

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

12:50 pm-9:14 pm

1 stop8h 24m

$539

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 8/11

7:05 am-6:54 pm

2 stops11h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 8/18

5:10 pm-9:19 pm

1 stop4h 09m

$551

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 10/13

2:31 pm-11:27 pm

1 stop8h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 10/18

6:00 am-1:51 pm

1 stop7h 51m

$561
Cheapest one-way
Quickest one-way

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 8/27

2:34 pm-11:30 pm

1 stop8h 56m

$219

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Tue 9/1

11:17 am-7:05 am

2 stops19h 48m

$225

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 10/4

7:55 am-11:27 pm

1 stop15h 32m

$233

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 8/27

2:34 pm-11:30 pm

1 stop8h 56m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Louisville to Pierre Elliott Trudeau Intl

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 Louisville to Pierre Elliott Trudeau Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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 Louisville-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Louisville-Montreal Pierre Elliott Trudeau Intl Airport 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 Louisville to Pierre Elliott Trudeau Intl

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

Related info for your journey

Find useful and relevant information for your journey from Louisville to Pierre Elliott Trudeau Intl. 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 from for flights from Louisville to Montreal Pierre Elliott Trudeau Intl?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Montreal Pierre Elliott Trudeau Intl. 0 airlines have flights from Louisville Intl to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Louisville Intl to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

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

    United Airlines and WestJet can get you from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in just under 7h 36m. Your travel time can differ by up to 7h. The distance between Louisville and Montreal Pierre Elliott Trudeau Intl Airport is about 794 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Longueuil
Laval
Dorval

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