$336+ Cheap flights from Ontario to La Crosse (ONT - LSE)
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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LSE
May 24 — May 311
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to La Crosse with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 May 19, 2025.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,271 (American Airlines) |
One-way from | $336 (American Airlines) |
Popular in | July |
Cheapest in | May |
Average price | $393 |
Find flight deals from Ontario to La Crosse
Best flights from Ontario to La CrosseDiscover 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 May 19, 2025.
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 May 19, 2025.
This American Airlines deal was found by Cheapflights users on 5/19. 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 6/110:51 amONT - LSE
2 stops9h 15mAmerican Airlines
Wed 6/411:50 amLSE - ONT
2 stops12h 08mAmerican Airlines
Deal found 5/19![American Airlines logo]()
$1,271
- 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% 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
Rainfall in La Crosse by month
Plan your trip to La Crosse by taking into account the average rainfall totals by month.
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.
Temperature in La Crosse by month
Plan your trip to La Crosse by taking into account the average temperature totals by month.
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).
Reviews of airlines servicing La Crosse
Get insights into the airlines that provide service to La Crosse. 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 La Crosse. Reviews last updated May 19, 2025.
Comfort
7.2
Food
6.5
Crew
8.0
Boarding
7.5
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreAndrew,May 2025
LAX - MIA
Comfort
7.2
Food
6.5
Crew
8.0
Boarding
7.5
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreAndrew,May 2025
LAX - MIA
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.
Traveling to a place near Ontario?
Book flights to Ontario if you plan to visit one of these locationsDecorah