$345+ Cheap flights from La Crosse (LSE) to Illinois
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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — ORD
Oct 11 — Oct 181
1 adult, Economy
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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
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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 La Crosse to Illinois
Keep the following information in mind while searching for La Crosse to Illinois flight deals. Data was last updated September 11, 2025.
Round-trip from | $347 (American Airlines) |
|---|---|
One-way from | $345 (American Airlines) |
Good round-trip deal | $497 or less |
Good one-way deal | $358 or less |
Find flight deals from La Crosse to Illinois
Cheapest flights from La Crosse to IllinoisExplore the most affordable flight options available from La Crosse to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
Explore the most affordable flight options available from La Crosse to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/116:15 pmLSE - ORD
Nonstop1h 31mAmerican Airlines
Sun 10/1210:07 pmORD - LSE
Nonstop1h 19mAmerican Airlines
Deal found 9/11![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/166:00 amLSE - ORD
Nonstop1h 24mAmerican Airlines
Sun 10/199:01 amORD - LSE
Nonstop1h 23mAmerican Airlines
Deal found 9/9![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 10/86:00 amLSE - PIA
1 stop3h 27mAmerican Airlines
Wed 10/158:10 pmPIA - LSE
1 stop3h 16mAmerican Airlines
Deal found 9/8![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/246:00 amLSE - ORD
Nonstop1h 20mAmerican Airlines
Sun 9/2810:00 pmORD - LSE
Nonstop1h 17mAmerican Airlines
Deal found 9/9![American Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/104:00 pmLSE - SPI
1 stop4h 09mAmerican Airlines
Sat 12/136:00 amSPI - LSE
1 stop3h 19mAmerican Airlines
Deal found 9/9![American Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/2510:09 amLSE - ORD
Nonstop1h 16mAmerican Airlines
Mon 9/2910:00 pmORD - LSE
Nonstop1h 17mAmerican Airlines
Deal found 9/10![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/266:30 pmLSE - PIA
1 stop3h 06mAmerican Airlines
Tue 9/306:00 amPIA - LSE
1 stop3h 19mAmerican Airlines
Deal found 9/11![American Airlines logo]()
$650
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 9/146:00 amLSE - ORD
Nonstop1h 20mAmerican Airlines
Tue 9/168:01 amORD - LSE
Nonstop1h 18mAmerican Airlines
Deal found 9/10![American Airlines logo]()
$733
Cheapflights Fare Finder
Customize your flight search to find flights from La Crosse to Illinois 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 September 11, 2025.
Use the filters below to find and compare flights from La Crosse to Illinois that are best for you.
Fly from
La Crosse
Fly to
Illinois
Route
Depart
Return
Price
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Sat 10/11
6:15 pm-7:46 pm
Nonstop1h 31m
Chicago O'Hare Intl
Sun 10/12
10:07 pm-11:26 pm
Nonstop1h 19m
$349
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Thu 10/16
6:00 am-7:24 am
Nonstop1h 24m
Chicago O'Hare Intl
Sun 10/19
9:01 am-10:24 am
Nonstop1h 23m
$367
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Thu 1/22
4:45 pm-6:03 pm
Nonstop1h 18m
Chicago O'Hare Intl
Mon 1/26
9:12 pm-10:32 pm
Nonstop1h 20m
$367
La CrossePeoria
LSE - PIA
LSEPIA
La Crosse
Wed 10/8
6:00 am-9:27 am
1 stop3h 27m
Greater Peoria
Wed 10/15
8:10 pm-11:26 pm
1 stop3h 16m
$380
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Wed 9/24
6:00 am-7:20 am
Nonstop1h 20m
Chicago O'Hare Intl
Sun 9/28
10:00 pm-11:17 pm
Nonstop1h 17m
$435
La CrosseSpringfield
LSE - SPI
LSESPI
La Crosse
Wed 12/10
4:00 pm-8:09 pm
1 stop4h 09m
Springfield Capital
Sat 12/13
6:00 am-9:19 am
1 stop3h 19m
$440
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Thu 9/25
10:09 am-11:25 am
Nonstop1h 16m
Chicago O'Hare Intl
Mon 9/29
10:00 pm-11:17 pm
Nonstop1h 17m
$445
La CrossePeoria
LSE - PIA
LSEPIA
La Crosse
Fri 9/26
6:30 pm-9:36 pm
1 stop3h 06m
Greater Peoria
Tue 9/30
6:00 am-9:19 am
1 stop3h 19m
$650
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Wed 10/8
6:15 pm-7:46 pm
Nonstop1h 31m
Chicago O'Hare Intl
Thu 10/9
10:07 pm-11:26 pm
Nonstop1h 19m
$733
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Sat 11/8
6:02 pm-7:38 pm
Nonstop1h 36m
$345
Showing 1-10 of 13 results
Best time to book a flight from La Crosse to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from La Crosse 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 La Crosse to Illinois
What is the cheapest month to book a flight from La Crosse to Illinois?
Currently, August is the cheapest month in which you can book a flight from La Crosse to Illinois (average of $245). Flying from La Crosse to Illinois in March is currently the most expensive (average of $321). 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 LSE to IL?
Find hourly flight availability from La Crosse to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from La Crosse to Illinois as you normally would.
Weekly flight availability from La Crosse to Illinois
Explore weekly flight availability from La Crosse to Illinois. 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 September 11, 2025.
The most flights from LSE to USIL are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from La Crosse to Illinois, such as American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Food
6.4
Overall
7.2
Comfort
7.2
Boarding
7.5
Crew
8.0
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Entertainment
6.9
Food
6.4
Overall
7.2
Comfort
7.2
Boarding
7.5
Crew
8.0
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Related info for your journey
Find useful and relevant information for your journey from La Crosse to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for La Crosse to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from La Crosse to Illinois
Discover the top airline that operate flights from La Crosse to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$435 | FlexibilityNo cancel fee | On-time71% |