What is the cheapest day to fly from Ontario to La Crosse?

Travelers seeking maximum savings on their Ontario to La Crosse flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in La Crosse ranges from 1.1 - 4.3 inches per month. June is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit La Crosse when rainfall is around 1.1 in.

If weather is an important factor for your trip to La Crosse, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest month to fly from Ontario to La Crosse?

The best pricing can be found in the month of May. Prices to La Crosse from Ontario average $649. You can even find prices in May for less than $649, as users have found deals to La Crosse from as low as $341. The month of July appears to be one of the more expensive times to travel to La Crosse from Ontario. Flying in the targeted month can save you up to 70%.

What is the cheapest time of day to fly from ONT to LSE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to La Crosse as you normally would.

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.

$641+ Flights from Ontario to La Crosse

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Cheap flight deals from Ontario to La Crosse

Round-trip from	$641 (American Airlines)
Popular in	July
Cheapest in	May
Average price	$1,105

From Ontario to La Crosse

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($122 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($47 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 31, 2025.

Thu 8/2812:22 pmONT - LSE

2 stops8h 57mAmerican Airlines

Thu 9/410:09 amLSE - ONT

2 stops10h 07mAmerican Airlines

Deal found 7/30

$641

Best flights from Ontario to La Crosse
Discover carefully curated flight deals from Ontario to La Crosse that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Thu 8/2812:22 pmONT - LSE

2 stops8h 57mAmerican Airlines

Thu 9/410:09 amLSE - ONT

2 stops10h 07mAmerican Airlines

Deal found 7/30

$641

Last-minute flights from Ontario to La Crosse
Discover last-minute flight deals from Ontario to La Crosse. Data last updated July 31, 2025 and is based on user searches.

Thu 8/2812:22 pmONT - LSE

2 stops8h 57mAmerican Airlines

Thu 9/410:09 amLSE - ONT

2 stops10h 07mAmerican Airlines

Deal found 7/30

$641

Fly from

Fly to

Route

Depart

Return

Price

OntarioLa Crosse

ONT - LSE

ONTLSE

Ontario

Thu 8/28

12:22 pm-11:19 pm

2 stops8h 57m

La Crosse

Thu 9/4

10:09 am-6:16 pm

2 stops10h 07m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

Reviews of airlines servicing La Crosse

Get a feel of what it's like to fly with American Airlines from Ontario to La Crosse by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

Related info for your journey

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.

Decorah

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$641+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to La Crosse with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to La Crosse

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to La Crosse

Cheapest flights from Ontario to La CrosseExplore 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 July 31, 2025.

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 July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to La Crosse that are best for you.

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.

Reviews of airlines servicing La Crosse

Get a feel of what it's like to fly with American Airlines from Ontario to La Crosse by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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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 July 31, 2025.