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Cheap flights from La Crosse to Montreal from $611

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from La Crosse to Montreal departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from La Crosse to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:02 pm - 9:49 amLSE  La Crosse-YUL Montreal Pierre Elliott Trudeau Intl
20h 47m2 stops Chicago O'Hare Intl New York LaGuardia
American Airlines Logo
10:30 am - 12:20 amYUL  Montreal Pierre Elliott Trudeau Intl-LSE La Crosse
14h 50m2 stops New York LaGuardia Chicago O'Hare Intl
$611American Airlines
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
5:22 pm - 11:44 amLSE  La Crosse-YUL Montreal Pierre Elliott Trudeau Intl
17h 22m1 stop Chicago O'Hare Intl
American Airlines Logo
12:31 pm - 12:20 amYUL  Montreal Pierre Elliott Trudeau Intl-LSE La Crosse
12h 49m1 stop Chicago O'Hare Intl
$648American Airlines
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
5:22 pm - 3:29 pmLSE  La Crosse-YUL Montreal Pierre Elliott Trudeau Intl
21h 07m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
12:31 pm - 12:20 amYUL  Montreal Pierre Elliott Trudeau Intl-LSE La Crosse
12h 49m1 stop Chicago O'Hare Intl
$658American Airlines
Wed, Sep 16 - Wed, Sep 23

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American Airlines flights from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport

Our best American Airlines deals on La Crosse to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
Sep 16
LSE12:02 pmLa Crosse
20h 47m
2 stops
YUL9:49 amMontreal Pierre Elliott Trudeau Intl
Sep 23
YUL10:30 amMontreal Pierre Elliott Trudeau Intl
14h 50m
2 stops
LSE12:20 amLa Crosse
$611
American Airlines
Sep 16
LSE5:22 pmLa Crosse
17h 22m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
Sep 23
YUL12:31 pmMontreal Pierre Elliott Trudeau Intl
12h 49m
1 stop
LSE12:20 amLa Crosse
$648
American Airlines
Sep 16
LSE5:22 pmLa Crosse
21h 07m
2 stops
YUL3:29 pmMontreal Pierre Elliott Trudeau Intl
Sep 23
YUL12:31 pmMontreal Pierre Elliott Trudeau Intl
12h 49m
1 stop
LSE12:20 amLa Crosse
$658

momondo Fare Finder

 
Customize your flight search to find flights from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 832,500 searches. Data last updated August 6, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

La CrosseMontreal

LSE La Crosse - YUL Montreal Pierre Elliott Trudeau Intl

LSEYUL

La Crosse

Wed 9/16

12:02 pm-9:49 am

2 stops20h 47m

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

10:30 am-12:20 am

2 stops14h 50m

$611
Quickest round-trip

La CrosseMontreal

LSE La Crosse - YUL Montreal Pierre Elliott Trudeau Intl

LSEYUL

La Crosse

Wed 9/16

5:22 pm-11:44 am

1 stop17h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

12:31 pm-12:20 am

1 stop12h 49m

$648

La CrosseMontreal

LSE La Crosse - YUL Montreal Pierre Elliott Trudeau Intl

LSEYUL

La Crosse

Wed 9/16

5:22 pm-3:29 pm

2 stops21h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

12:31 pm-12:20 am

1 stop12h 49m

$658

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap La Crosse to Montreal Pierre Elliott Trudeau Intl Airport (LSE to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport

Fastest flight time

20h 47m

Direct flights

None
The fastest flight from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport takes 20h 47m
There are no direct flights from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport.
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Frequently asked questions about flying from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport

  • How far is La Crosse to Montreal Pierre Elliott Trudeau Intl by plane?

    The straight-line distance from La Crosse to Montreal Pierre Elliott Trudeau Intl is 865.2 mi. Flights usually cover this in 20h 47m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from La Crosse Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from La Crosse Airport to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.

  • How old do you have to be to fly from La Crosse Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from La Crosse Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The travel and health documents you'll need for your trip to Montreal Pierre Elliott Trudeau Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport

  • How do I get Price Alerts for flights from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport?

    Price Alerts will notify you by email when the price for flights to Montreal Pierre Elliott Trudeau Intl Airport from La Crosse decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from La Crosse to Montreal Pierre Elliott Trudeau Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Dorval
Brossard
Cornwall
Longueuil
Sherbrooke
Saint-Sauveur
Trois-Rivières
Boucherville
Drummondville
Bromont
Saint-Jean-sur-Richelieu
Montebello
Magog
North Hatley

Why use momondo?

Why should I use momondo to find a flight deal from La Crosse to Montreal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from La Crosse to Montreal. momondo saves you time and could save you money on your trip.

Can I find flights from La Crosse to Montreal with flexible booking policies on momondo?

Flights from La Crosse to Montreal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from La Crosse to Montreal?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Montreal from La Crosse.

I’m not ready to book a flight from La Crosse to Montreal right now. Can momondo alert me if prices change?

If you are not ready to book a flight from La Crosse to Montreal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montreal and let you know when they change.

An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

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