$346+ Cheap flights from Illinois to La Crosse (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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois 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 Illinois to La Crosse
Cheapest flights from Illinois to La CrosseExplore the most affordable flight options available from Illinois to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
Explore the most affordable flight options available from Illinois to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
This American Airlines deal was found by Cheapflights users on 12/11. 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.
This American Airlines deal was found by Cheapflights users on 12/10. 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.
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Find flight deals from Illinois to La Crosse
Keep the following information in mind while searching for Illinois to La Crosse flight deals. Data was last updated December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $367 (American Airlines) |
One-way from | $346 (Kiwi.com) |
Good one-way deal | $359 or less |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Illinois to La Crosse that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Fri 1/16
9:00 pm-10:16 pm
Nonstop1h 16m
La Crosse
Sun 1/18
11:37 am-1:03 pm
Nonstop1h 26m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Thu 1/1
8:10 am-9:39 am
Nonstop1h 29m
La Crosse
Thu 1/8
11:37 am-1:03 pm
Nonstop1h 26m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Fri 1/9
9:00 pm-10:16 pm
Nonstop1h 16m
La Crosse
Fri 1/16
11:37 am-1:03 pm
Nonstop1h 26m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Fri 12/26
10:20 pm-11:38 pm
Nonstop1h 18m
La Crosse
Tue 12/30
8:06 pm-9:30 pm
Nonstop1h 24m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Sun 2/8
7:00 am-11:39 am
3 stops28h 39m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Wed 2/11
9:00 pm-10:16 pm
Nonstop1h 16m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Sat 1/10
9:00 pm-10:16 pm
Nonstop1h 16m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Wed 3/11
8:44 am-10:08 am
Nonstop1h 24m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Wed 1/7
9:00 pm-10:16 pm
Nonstop1h 16m
ChicagoLa Crosse
ORD - LSE
ORDLSE
Chicago O'Hare Intl
Wed 6/10
9:40 am-10:58 am
Nonstop1h 18m
Best time to book a flight from Illinois to La Crosse
Have a flexible travel schedule? Discover the best time to fly to La Crosse from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to La Crosse
What is the cheapest month to book a flight from Illinois to La Crosse?
Currently, July is the cheapest month in which you can book a flight from Illinois to La Crosse (average of $321). Flying from Illinois to La Crosse in March is currently the most expensive (average of $453). 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.
What is the cheapest time of day to fly from IL to LSE?
Find hourly flight availability from Illinois to La Crosse. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.
It’s typically best to fly out from Illinois to La Crosse in the morning. Doing so could potentially save you 39% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Illinois to La Crosse
Explore weekly flight availability from Illinois to La Crosse. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.
The most flights from USIL to LSE are scheduled on a Wednesday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).