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$328+ Cheap flights from La Crosse (LSE) to Illinois

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

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.
Sat 12/136:00 amLSE - ORD
Nonstop1h 30mAmerican Airlines
Sun 12/148:09 amORD - LSE
Nonstop1h 15mAmerican Airlines
Deal found 12/10$455
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.
Thu 12/256:00 amLSE - STL
1 stop8h 09mAmerican Airlines
Mon 12/299:08 amSTL - LSE
1 stop24h 31mAmerican Airlines
Deal found 12/10$760
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.
Sun 12/149:54 amLSE - ORD
Nonstop1h 27mAmerican Airlines
Tue 12/168:41 pmORD - LSE
Nonstop1h 22mAmerican Airlines
Deal found 12/10$763

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$328
(American Airlines)

Good round-trip deal

$523 or less

Good one-way deal

$410 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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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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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 December 12, 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 1/24

5:08 pm-6:40 pm

Nonstop1h 32m

Chicago O'Hare Intl

Sat 1/31

9:00 pm-10:16 pm

Nonstop1h 16m

$328

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Sat 1/24

5:08 pm-6:40 pm

Nonstop1h 32m

Chicago O'Hare Intl

Sun 2/8

9:00 pm-10:16 pm

Nonstop1h 16m

$347

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Fri 1/9

11:37 am-1:03 pm

Nonstop1h 26m

Chicago O'Hare Intl

Mon 1/12

9:00 pm-10:16 pm

Nonstop1h 16m

$367

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Fri 12/26

8:06 pm-9:30 pm

Nonstop1h 24m

Chicago O'Hare Intl

Tue 12/30

6:11 pm-7:36 pm

Nonstop1h 25m

$455

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Mon 3/9

12:43 pm-7:11 pm

2 stops30h 28m

Lambert-St Louis

Thu 3/12

10:47 pm-11:53 am

1 stop13h 06m

$653

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Thu 12/25

6:00 am-2:09 pm

1 stop8h 09m

Lambert-St Louis

Mon 12/29

9:08 am-9:39 am

1 stop24h 31m

$760

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Mon 3/9

6:00 am-7:28 am

Nonstop1h 28m

Chicago O'Hare Intl

Tue 3/10

10:19 pm-11:36 pm

Nonstop1h 17m

$763

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Mon 3/9

6:28 pm-11:52 pm

1 stop5h 24m

Lambert-St Louis

Thu 3/12

6:00 am-10:08 am

1 stop4h 08m

$838

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Sat 3/7

6:00 am-7:33 am

Nonstop1h 33m

$360

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Tue 3/10

9:54 am-11:19 am

Nonstop1h 25m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 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, February is the cheapest month in which you can book a flight from La Crosse to Illinois (average of $180). 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 December 12, 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 December 12, 2025.

The most flights from LSE to USIL are scheduled on a Wednesday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 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 December 12, 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
11,050 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 $328, American Airlines can have you in Illinois from La Crosse in 1h 32m. 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 (90%), American Airlines (69%) and Envoy Air (69%).

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

    Looking at all options, your cheapest flight can be booked for $403. While the most popular route (La Crosse - Chicago O'Hare Intl) can be booked for $367 on average, our data indicates $533 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, February is the cheapest month in which you can book a flight from La Crosse to Illinois (average of $180). 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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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$347Average$435FlexibilityNo cancel feeOn-time71%

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