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La Crosse

$158+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LSE
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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Cheap flight deals from Illinois to La Crosse

Cheapest flights from Illinois to La Crosse
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 June 18, 2026.

This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:45 pm
ORD
-
LSE
Nonstop1h 25m
United Airlines
Mon 11/168:15 pm
LSE
-
ORD
Nonstop1h 24m
United Airlines
Deal found 6/14$244
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/13:48 pm
ORD
-
LSE
Nonstop1h 23m
American Airlines
Sat 8/83:14 pm
LSE
-
ORD
Nonstop1h 28m
American Airlines
Deal found 6/16$381
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/1811:00 pm
ORD
-
LSE
Nonstop1h 22m
American Airlines
Sun 7/195:53 pm
LSE
-
ORD
Nonstop1h 36m
American Airlines
Deal found 6/17$406
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:59 pm
ORD
-
LSE
1 stop23h 41m
Multiple Airlines
Sun 7/125:30 pm
LSE
-
ORD
1 stop15h 41m
Multiple Airlines
Deal found 6/13$428
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/410:05 am
ORD
-
LSE
Nonstop1h 26m
American Airlines
Sun 7/512:01 pm
LSE
-
ORD
Nonstop1h 24m
American Airlines
Deal found 6/13$431
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/110:00 am
ORD
-
LSE
Nonstop1h 22m
American Airlines
Sun 7/125:53 pm
LSE
-
ORD
Nonstop1h 36m
American Airlines
Deal found 6/13$432
This American Airlines deal was found by Cheapflights users on 6/16. 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 6/203:40 pm
ORD
-
LSE
Nonstop1h 23m
American Airlines
Sun 6/215:28 pm
LSE
-
ORD
Nonstop1h 35m
American Airlines
Deal found 6/16$453
This American Airlines deal was found by Cheapflights users on 6/18. 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 8/1010:05 am
ORD
-
LSE
Nonstop1h 21m
American Airlines
Thu 8/135:20 pm
LSE
-
ORD
Nonstop1h 33m
American Airlines
Deal found 6/18$475
This American Airlines deal was found by Cheapflights users on 6/13. 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 6/263:29 pm
ORD
-
LSE
Nonstop1h 23m
American Airlines
Sun 6/286:00 am
LSE
-
ORD
Nonstop1h 30m
American Airlines
Deal found 6/13$481

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(United Airlines)

One-way from

$158
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-La Crosse flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-La Crosse flights.
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From Illinois to La Crosse
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One-way flight from Illinois to La Crosse
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to La Crosse 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 June 18, 2026.
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

Cheapest round-trip

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Sat 8/1

3:48 pm-5:11 pm

Nonstop1h 23m

La Crosse

Sat 8/8

3:14 pm-4:42 pm

Nonstop1h 28m

$381

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Sat 7/18

11:00 pm-12:22 am

Nonstop1h 22m

La Crosse

Sun 7/19

5:53 pm-7:29 pm

Nonstop1h 36m

$406

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Mon 7/20

10:37 pm-11:59 pm

Nonstop1h 22m

La Crosse

Sat 7/25

5:41 pm-7:22 pm

Nonstop1h 41m

$406

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Wed 7/1

4:59 pm-4:40 pm

1 stop23h 41m

La Crosse

Sun 7/12

5:30 pm-9:11 am

1 stop15h 41m

$428

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Sat 7/4

4:50 pm-6:13 pm

Nonstop1h 23m

La Crosse

Fri 7/10

6:00 am-7:30 am

Nonstop1h 30m

$431
Quickest round-trip

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Sat 7/4

10:05 am-11:31 am

Nonstop1h 26m

La Crosse

Sun 7/5

12:01 pm-1:25 pm

Nonstop1h 24m

$431

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Wed 7/1

10:00 am-11:22 am

Nonstop1h 22m

La Crosse

Sun 7/12

5:53 pm-7:29 pm

Nonstop1h 36m

$432

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Thu 7/30

10:37 pm-11:59 pm

Nonstop1h 22m

La Crosse

Thu 8/6

5:20 pm-6:53 pm

Nonstop1h 33m

$432

ChicagoLa Crosse

ORD - LSE

ORDLSE

Chicago O'Hare Intl

Mon 8/10

10:05 am-11:26 am

Nonstop1h 21m

La Crosse

Thu 8/13

5:20 pm-6:53 pm

Nonstop1h 33m

$475
Cheapest one-way

ChicagoLa Crosse

MDW - LSE

MDWLSE

Chicago Midway

Wed 8/19

11:50 am-10:01 am

2 stops22h 11m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 18 resultsSorted by cheapest first
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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.
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 Illinois to La Crosse

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 June 18, 2026.

It’s typically best to fly out from Illinois to La Crosse in the morning. Doing so could potentially save you 7% on the flight price compared to flying at noon, 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 June 18, 2026.

The most flights from USIL to LSE are scheduled on a Tuesday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to La Crosse. 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 into for flights to La Crosse from Illinois?

    La Crosse (LSE) is the airport you will fly into if you book a flight from Illinois to La Crosse. It is only a 5.4 mi journey from La Crosse (LSE) to La Crosse’s city center.

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

    Airlines like American Airlines fly from Illinois to La Crosse in about 1h 23m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 214 mi. Generally, flights for this route are nonstop.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to La Crosse on time: American Airlines (78%), Envoy Air (78%), Qatar Airways (75%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to La Crosse by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near La Crosse?

Book flights to La Crosse if you plan to visit one of these locations
Decorah
Winona

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Alternative routes for Illinois to La Crosse

See prices for flight routes from nearby airports that may be better suited for you.
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