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Pierre Elliott Trudeau Intl

$711+ Cheap flights from La Crosse (LSE) to Pierre Elliott Trudeau Intl (YUL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — YUL
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap flight deals from La Crosse to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from La Crosse (LSE) 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 October 27, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$711
(American Airlines)
Provider with most accurate pricing for La Crosse-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for La Crosse-Montreal Pierre Elliott Trudeau Intl flights.
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From La Crosse to Montreal Pierre Elliott Trudeau Intl
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Find flight deals from La Crosse to Pierre Elliott Trudeau Intl

Best flights from La Crosse to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from La Crosse to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 4/181:03 pmLSE - YUL
1 stop21h 12mAmerican Airlines
Mon 4/2012:30 pmYUL - LSE
1 stop4h 28mAmerican Airlines
Deal found 10/24$711

Cheapflights Fare Finder

 
Customize your flight search to find flights from La Crosse 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 October 27, 2025.
Use the filters below to find and compare flights from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

La Crosse

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

La CrosseMontreal

LSE - YUL

LSEYUL

La Crosse

Sat 4/18

1:03 pm-11:15 am

1 stop21h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 4/20

12:30 pm-3:58 pm

1 stop4h 28m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

  • Most accurate provider: When it comes to deals on La Crosse-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on La Crosse-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from La Crosse-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 La Crosse-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 La Crosse-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 La Crosse to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from La Crosse 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 La Crosse 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 La Crosse to Montreal Pierre Elliott Trudeau Intl?

    Located just 5.4 mi from the city center, La Crosse is the airport most travelers will use when flying to Montreal Pierre Elliott Trudeau Intl from La Crosse. Booking flights from La Crosse (LSE) to Montreal Pierre Elliott Trudeau Intl should be relatively easy as there are 0 daily outbound flights to Montreal Pierre Elliott Trudeau Intl from 0 different airlines.

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

    Departing from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport will take you 21h 12m. The distance between La Crosse and Montreal Pierre Elliott Trudeau Intl Airport is about 865 mi.

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

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

  • How can I find direct flights from La Crosse 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 La Crosse to Pierre Elliott Trudeau Intl.

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

    Yes. Cheapflights offers flight deals from La Crosse 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
Laval
Longueuil
Brossard
Dorval

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