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La Crosse

$661+ Cheap flights from Ontario to La Crosse (ONT - LSE)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LSE
nov 30 — dic 71
dom 11/30
dom 12/7
1 adult, Economy
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Cheap flight deals from Ontario to La Crosse

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to La Crosse (LSE). 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 ottobre 31, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$661
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$774
Provider with most accurate pricing for Ontario-La Crosse flight deals.
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Provider most trusted by Cheapflights users for Ontario-La Crosse flights.
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From Ontario to La Crosse
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Highest demand for flights based on searches. 11% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to La Crosse

Cheapest flights from Ontario to La Crosse
Explore the most affordable flight options available from Ontario to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on ottobre 31, 2025.

This American Airlines deal was found by Cheapflights users on 10/29. 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.
mer 12/109:59 amONT - LSE
2 stops10h 04mAmerican Airlines
sab 12/136:00 amLSE - ONT
2 stops12h 02mAmerican Airlines
Deal found 10/29$661
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 11/89:59 amONT - LSE
2 stops11h 50mAmerican Airlines
mar 11/1810:03 amLSE - ONT
2 stops11h 38mAmerican Airlines
Deal found 10/28$895
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 11/67:30 pmONT - LSE
2 stops11h 50mAmerican Airlines
mar 11/1810:03 amLSE - ONT
2 stops10h 17mAmerican Airlines
Deal found 10/28$896
This American Airlines deal was found by Cheapflights users on 10/29. 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.
sab 11/14:49 pmONT - LSE
2 stops30h 00mAmerican Airlines
mer 11/196:00 amLSE - ONT
2 stops14h 20mAmerican Airlines
Deal found 10/29$946
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 11/89:59 amONT - LSE
2 stops11h 50mAmerican Airlines
lun 11/176:00 amLSE - ONT
2 stops10h 02mAmerican Airlines
Deal found 10/28$975
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 11/612:55 pmONT - LSE
2 stops8h 54mAmerican Airlines
lun 11/179:50 amLSE - ONT
2 stops8h 11mAmerican Airlines
Deal found 10/28$976
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 11/49:59 amONT - LSE
2 stops27h 41mAmerican Airlines
lun 12/16:13 pmLSE - ONT
2 stops23h 48mAmerican Airlines
Deal found 10/28$1,015
This American Airlines deal was found by Cheapflights users on 10/29. 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.
sab 11/16:15 amONT - LSE
2 stops13h 50mAmerican Airlines
lun 11/179:50 amLSE - ONT
2 stops10h 30mAmerican Airlines
Deal found 10/29$1,036
This American Airlines deal was found by Cheapflights users on 10/29. 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.
ven 10/311:00 pmONT - LSE
2 stops18h 54mAmerican Airlines
sab 11/156:00 amLSE - ONT
2 stops12h 01mAmerican Airlines
Deal found 10/29$1,065
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 11/14:49 pmONT - LSE
2 stops30h 00mAmerican Airlines
lun 12/16:13 pmLSE - ONT
2 stops23h 48mAmerican Airlines
Deal found 10/28$1,089
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 10/311:00 pmONT - LSE
2 stops18h 54mAmerican Airlines
lun 12/16:13 pmLSE - ONT
2 stops19h 50mAmerican Airlines
Deal found 10/28$1,091

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to La Crosse 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 ottobre 31, 2025.
Use the filters below to find and compare flights from Ontario to La Crosse that are best for you.

Fly from

Ontario

Fly to

La Crosse

Route

Depart

Return

Price

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

mer 12/10

9:59 am-10:03 pm

2 stops10h 04m

La Crosse

sab 12/13

10:00 am-6:19 pm

2 stops10h 19m

$661

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

sab 11/8

9:59 am-11:49 pm

2 stops11h 50m

La Crosse

mar 11/18

10:03 am-7:41 pm

2 stops11h 38m

$895

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

ven 11/7

6:10 am-5:32 pm

2 stops9h 22m

La Crosse

mar 11/18

10:03 am-6:21 pm

2 stops10h 18m

$896

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

gio 11/6

7:30 pm-9:20 am

2 stops11h 50m

La Crosse

mar 11/18

10:03 am-6:20 pm

2 stops10h 17m

$896

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

mar 11/4

12:55 pm-3:40 pm

2 stops24h 45m

La Crosse

mer 11/19

6:00 am-7:41 pm

2 stops15h 41m

$946

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

lun 11/3

6:20 am-4:10 pm

2 stops31h 50m

La Crosse

mer 11/19

9:59 am-7:41 pm

2 stops11h 42m

$975

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

sab 11/8

9:59 am-11:49 pm

2 stops11h 50m

La Crosse

dom 11/16

6:00 am-2:03 pm

2 stops10h 03m

$975

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

dom 11/2

7:30 pm-11:49 pm

2 stops26h 19m

La Crosse

mer 11/19

6:00 am-7:41 pm

2 stops15h 41m

$975

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

gio 11/6

12:55 pm-11:49 pm

2 stops8h 54m

La Crosse

dom 11/16

9:50 am-4:01 pm

2 stops8h 11m

$976

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

ven 11/7

6:10 am-5:32 pm

2 stops9h 22m

La Crosse

lun 11/17

9:50 am-6:20 pm

2 stops10h 30m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

  • Most accurate provider: When it comes to deals on Ontario-La Crosse flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Ontario-La Crosse flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Ontario-La Crosse flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-La Crosse 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 Ontario-La Crosse 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 Ontario to La Crosse

Have a flexible travel schedule? Discover the best time to fly to La Crosse from Ontario 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 Ontario to La Crosse

What is the cheapest month to book a flight from Ontario to La Crosse?

Currently, June is the cheapest month in which you can book a flight from Ontario to La Crosse (average of $266). Flying from Ontario to La Crosse in January is currently the most expensive (average of $531). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to La Crosse. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to La Crosse?

    Airlines like American Airlines fly from Ontario to La Crosse in about 10h 04m. The time it takes to get you to your destination can typically vary by up to . Ontario and La Crosse are separated by a distance of 1559 mi.

  • Can I find deals for flights from Ontario to La Crosse that include hotel bookings?

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

  • How can I find direct flights from Ontario to La Crosse?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to La Crosse.

  • Can I find deals for business class flights from Ontario to La Crosse?

    Yes. Cheapflights offers flight deals from Ontario to La Crosse 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 Ontario to La Crosse?

    Currently, June is the cheapest month in which you can book a flight from Ontario to La Crosse (average of $266). Flying from Ontario to La Crosse in January is currently the most expensive (average of $531). 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

Traveling to a place near La Crosse?

Book flights to La Crosse if you plan to visit one of these locations
Winona
Decorah

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