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Pierre Elliott Trudeau Intl

$161+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YUL
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$310
(Mytrip)

One-way from

$161
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$432
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
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/119:34 amSDF - YUL
2 stops15h 03mMultiple Airlines
Wed 6/1810:30 amYUL - SDF
2 stops13h 08mMultiple Airlines
Deal found 4/28$310
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/187:25 amSDF - YUL
1 stop4h 56mAmerican Airlines
Wed 5/212:35 pmYUL - SDF
1 stop9h 43mAmerican Airlines
Deal found 4/29$428
This Priceline deal was found by Cheapflights users on 4/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/74:25 pmSDF - YUL
1 stop4h 44mWestJet
Fri 5/95:05 pmYUL - SDF
1 stop4h 21mWestJet
Deal found 4/28$539
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 8/176:00 amSDF - YUL
1 stop13h 45mUnited Airlines
Sun 8/248:05 amYUL - SDF
2 stops12h 57mUnited Airlines
Deal found 4/28$624
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:00 amSDF - YUL
1 stop6h 26mAir Canada
Wed 5/71:00 pmYUL - SDF
2 stops9h 30mAir Canada
Deal found 4/28$667
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:45 amSDF - YUL
2 stops10h 41mDelta
Sat 10/186:00 amYUL - SDF
2 stops11h 39mDelta
Deal found 4/28$744

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 April 30, 2025.
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

Louisville

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 6/11

9:34 am-12:37 am

2 stops15h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 6/18

10:30 am-11:38 pm

2 stops13h 08m

$310

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 5/18

7:25 am-12:21 pm

1 stop4h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 5/21

2:35 pm-12:18 am

1 stop9h 43m

$428

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 8/17

6:00 am-7:45 pm

1 stop13h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 8/24

8:05 am-9:02 pm

2 stops12h 57m

$624

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Sun 8/17

6:26 pm-11:09 pm

1 stop4h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 8/24

6:00 am-11:24 am

1 stop5h 24m

$630

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 10/8

10:45 am-9:26 pm

2 stops10h 41m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

6:00 am-5:39 pm

2 stops11h 39m

$744

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 5/14

6:00 am-5:21 pm

1 stop11h 21m

$161

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Mon 9/1

4:22 pm-12:25 pm

1 stop20h 03m

$168

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Wed 5/21

7:24 am-4:55 pm

2 stops9h 31m

$190

LouisvilleMontreal

SDF - YUL

SDFYUL

Louisville Intl

Thu 5/15

6:00 am-12:37 am

2 stops18h 37m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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 Expedia the most. Expedia 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.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 SDF to YUL?

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

It’s optimal to fly from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight at noon.

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated April 30, 2025.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,244 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 3 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.

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

    Flying on American Airlines is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at $428. Additional round-trip tickets that might be worth considering are offered by United Airlines and WestJet, with the lowest prices starting at $624 and $630, respectively. You may be able to fly from Louisville to Montreal Pierre Elliott Trudeau Intl Airport for 20% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Louisville to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada ($161), American Airlines ($190), and WestJet ($234).

  • 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.

  • What is the cheapest month to book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Louisville to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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

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Top 3 airlines flying from Louisville to Pierre Elliott Trudeau Intl

Discover the top 3 airlines that operate flights from Louisville to Pierre Elliott Trudeau Intl. 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 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$436FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$351Average$535FlexibilityNo cancel feeOn-time71%
WestJetCheapest$398Average$640FlexibilityNo cancel feeOn-time60%

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