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$350+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — ORD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$352
(American Airlines)

One-way from

$350
(American Airlines)

Good round-trip deal

$519 or less

Good one-way deal

$378 or less
Provider with most accurate pricing for La Crosse-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for La Crosse-Chicago (CHI) flights.
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From La Crosse to Illinois
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One-way flight from La Crosse to Illinois
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Price to beat on a round-trip flight from La Crosse to Illinois.
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Price to beat on a one-way flight from La Crosse to Illinois.
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Find flight deals from La Crosse to Illinois

Cheapest flights from La Crosse to Illinois
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 October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/246:00 amLSE - ORD
Nonstop1h 30mAmerican Airlines
Mon 12/18:00 amORD - LSE
Nonstop1h 20mAmerican Airlines
Deal found 10/25$352
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.
Thu 11/276:00 amLSE - ORD
Nonstop1h 30mAmerican Airlines
Thu 12/44:20 pmORD - LSE
Nonstop1h 18mAmerican Airlines
Deal found 10/28$362
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.
Tue 10/2810:54 amLSE - ORD
Nonstop1h 22mAmerican Airlines
Tue 11/112:49 pmORD - LSE
Nonstop1h 21mAmerican Airlines
Deal found 10/28$415
This American Airlines deal was found by Cheapflights users on 10/26. 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 10/316:00 amLSE - ORD
Nonstop1h 24mAmerican Airlines
Sun 11/210:32 pmORD - LSE
Nonstop1h 17mAmerican Airlines
Deal found 10/26$426
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/126:00 amLSE - ORD
Nonstop1h 30mAmerican Airlines
Sat 11/158:11 amORD - LSE
Nonstop1h 18mAmerican Airlines
Deal found 10/25$435
This American Airlines deal was found by Cheapflights users on 10/25. 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 10/25$440
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/126:00 amLSE - ORD
Nonstop1h 30mAmerican Airlines
Mon 11/178:00 amORD - LSE
Nonstop1h 20mAmerican Airlines
Deal found 10/26$445
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/16:15 pmLSE - STL
1 stop3h 53mAmerican Airlines
Tue 11/46:00 amSTL - LSE
1 stop3h 33mAmerican Airlines
Deal found 10/27$454
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/136:00 amLSE - ORD
Nonstop1h 30mAmerican Airlines
Sun 11/168:00 amORD - LSE
Nonstop1h 20mAmerican Airlines
Deal found 10/26$455
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.
Wed 11/126:00 amLSE - PIA
1 stop3h 36mAmerican Airlines
Sun 11/167:36 pmPIA - LSE
1 stop4h 13mAmerican Airlines
Deal found 10/28$540
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/124:10 pmLSE - ORD
Nonstop1h 24mAmerican Airlines
Wed 11/128:41 pmORD - LSE
Nonstop1h 21mAmerican Airlines
Deal found 10/26$693
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/1110:03 amLSE - ORD
Nonstop1h 21mAmerican Airlines
Wed 11/128:41 pmORD - LSE
Nonstop1h 21mAmerican Airlines
Deal found 10/26$699

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 October 28, 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

Thu 11/27

6:00 am-7:30 am

Nonstop1h 30m

Chicago O'Hare Intl

Thu 12/4

4:20 pm-5:38 pm

Nonstop1h 18m

$362

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Wed 3/11

1:03 pm-2:20 pm

Nonstop1h 17m

Chicago O'Hare Intl

Sat 3/14

1:10 pm-2:18 pm

Nonstop1h 08m

$417

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Sat 11/15

9:59 am-11:20 am

Nonstop1h 21m

Chicago O'Hare Intl

Tue 11/18

8:15 am-9:33 am

Nonstop1h 18m

$435

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Tue 11/11

6:00 am-7:30 am

Nonstop1h 30m

Chicago O'Hare Intl

Tue 11/18

8:41 pm-10:02 pm

Nonstop1h 21m

$435

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Wed 11/12

6:00 am-7:30 am

Nonstop1h 30m

Chicago O'Hare Intl

Sat 11/15

8:11 am-9:29 am

Nonstop1h 18m

$435

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Tue 11/11

4:45 pm-6:09 pm

Nonstop1h 24m

Chicago O'Hare Intl

Sat 11/15

10:32 pm-11:49 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

Fri 11/14

6:02 pm-7:38 pm

Nonstop1h 36m

Chicago O'Hare Intl

Sat 11/15

4:15 pm-5:32 pm

Nonstop1h 17m

$445

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Sat 11/8

9:59 am-1:40 pm

1 stop3h 41m

Lambert-St Louis

Tue 11/11

5:40 pm-10:02 pm

1 stop4h 22m

$454

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Sat 4/4

4:46 pm-9:48 pm

1 stop5h 02m

Lambert-St Louis

Tue 4/7

12:56 pm-3:58 pm

1 stop3h 02m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
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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, January is the cheapest month in which you can book a flight from La Crosse to Illinois (average of $161). Flying from La Crosse to Illinois in September is currently the most expensive (average of $364). 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 October 28, 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.

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 October 28, 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.
American Airlines
7.2
Good
11,032 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.2
Good
11,032 reviews
American Airlines
7.2
Good
11,032 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

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.

  • What airport do you fly from for flights from La Crosse to Illinois?

    For a flight from La Crosse to Illinois, you will be flying from La Crosse. La Crosse (LSE) is just 5.4 mi from the center of the city.

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

    For as low as $362, American Airlines can have you in Illinois from La Crosse in 1h 30m. The distance from La Crosse to Illinois is about 214 mi. Most flights are nonstop.

  • What are the most popular routes from La Crosse to Illinois?

    The most popular flight routes from La Crosse to Illinois are La Crosse - Chicago O'Hare Intl, La Crosse - Lambert-St Louis and La Crosse - Bloomington-Normal.

  • What are the most reliable airlines from La Crosse to Illinois?

    The top 3 most reliable airlines when flying from La Crosse to Illinois are Qatar Airways (86%), American Airlines (76%) and Envoy Air (76%).

  • What are the cheapest flights from La Crosse to Illinois?

    Looking at all options, your cheapest flight can be booked for $230. While the most popular route (La Crosse - Chicago O'Hare Intl) can be booked for $415 on average, our data indicates $552 when flying from La Crosse to Illinois.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from La Crosse to Illinois (average of $161). Flying from La Crosse to Illinois in September is currently the most expensive (average of $364). 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.

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Alternative routes for La Crosse to Illinois

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$327Average$435FlexibilityNo cancel feeOn-time71%

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