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Cheap flights from La Crosse to Illinois from $327

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from La Crosse to Illinois departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from La Crosse to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:02 pm - 7:41 pmLSE-ORD
1h 39mnonstop
American Airlines Logo
4:11 pm - 5:32 pmORD-LSE
1h 21mnonstop
$327American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
8:06 pm - 9:30 pmLSE-ORD
1h 24mnonstop
American Airlines Logo
9:45 am - 11:07 amORD-LSE
1h 22mnonstop
$367American Airlines
Find Deal
Thu, Dec 18 - Thu, Jan 22
American Airlines Logo
8:06 pm - 11:44 pmLSE-STL
3h 38m1 stop
American Airlines Logo
6:46 pm - 10:16 pmSTL-LSE
3h 30m1 stop
$414American Airlines
Find Deal
Thu, Jan 1 - Tue, Jan 27
American Airlines Logo
4:46 pm - 6:00 pmLSE-ORD
1h 14mnonstop
American Airlines Logo
1:10 pm - 2:18 pmORD-LSE
1h 08mnonstop
$417American Airlines
Find Deal
Wed, Mar 11 - Sat, Mar 14
American Airlines Logo
8:06 pm - 11:44 pmLSE-STL
3h 38m1 stop
American Airlines Logo
8:13 am - 4:16 pmSTL-LSE
8h 03m2 stops
$420American Airlines
Find Deal
Thu, Jan 1 - Tue, Jan 27
American Airlines Logo
10:03 am - 11:24 amLSE-ORD
1h 21mnonstop
American Airlines Logo
10:32 pm - 11:49 pmORD-LSE
1h 17mnonstop
$435American Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
American Airlines Logo
4:00 pm - 8:09 pmLSE-SPI
4h 09m1 stop
American Airlines Logo
6:03 am - 9:19 amSPI-LSE
3h 16m1 stop
$440American Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
6:13 pm - 7:49 pmLSE-ORD
1h 36mnonstop
American Airlines Logo
10:32 pm - 11:52 pmORD-LSE
1h 20mnonstop
$451American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8
American Airlines Logo
4:10 pm - 5:34 pmLSE-ORD
1h 24mnonstop
American Airlines Logo
8:00 am - 9:20 amORD-LSE
1h 20mnonstop
$455American Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
American Airlines Logo
4:46 pm - 9:48 pmLSE-STL
5h 02m1 stop
American Airlines Logo
7:50 am - 10:56 amSTL-LSE
3h 06m1 stop
$468American Airlines
Find Deal
Sat, Apr 4 - Tue, Apr 7

American Airlines flights from La Crosse to Illinois

Our best American Airlines deals on La Crosse to Illinois flight tickets
American Airlines
Dec 6
LSE6:02 pmLa Crosse
1h 39m
ORD7:41 pmChicago O'Hare Intl
Dec 13
ORD4:11 pmChicago O'Hare Intl
1h 21m
LSE5:32 pmLa Crosse
$327
Find similar
American Airlines
Dec 18
LSE8:06 pmLa Crosse
1h 24m
ORD9:30 pmChicago O'Hare Intl
Jan 22
ORD9:45 amChicago O'Hare Intl
1h 22m
LSE11:07 amLa Crosse
$367
Find similar
American Airlines
Jan 1
LSE8:06 pmLa Crosse
3h 38m
1 stop
STL11:44 pmLambert-St Louis
Jan 27
STL6:46 pmLambert-St Louis
3h 30m
1 stop
LSE10:16 pmLa Crosse
$414
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from La Crosse to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Sat 12/6

6:02 pm-7:41 pm

Nonstop1h 39m

Chicago O'Hare Intl

Sat 12/13

4:11 pm-5:32 pm

Nonstop1h 21m

$327

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Thu 12/18

8:06 pm-9:30 pm

Nonstop1h 24m

Chicago O'Hare Intl

Thu 1/22

9:45 am-11:07 am

Nonstop1h 22m

$367

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Thu 1/1

8:06 pm-11:44 pm

1 stop3h 38m

Lambert-St Louis

Tue 1/27

6:46 pm-10:16 pm

1 stop3h 30m

$414

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Wed 3/11

4:46 pm-6:00 pm

Nonstop1h 14m

Chicago O'Hare Intl

Sat 3/14

1:10 pm-2:18 pm

Nonstop1h 08m

$417

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Thu 1/1

8:06 pm-11:44 pm

1 stop3h 38m

Lambert-St Louis

Tue 1/27

8:13 am-4:16 pm

2 stops8h 03m

$420

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Tue 11/18

10:03 am-11:24 am

Nonstop1h 21m

Chicago O'Hare Intl

Sat 11/22

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

6:03 am-9:19 am

1 stop3h 16m

$440

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Mon 12/1

6:13 pm-7:49 pm

Nonstop1h 36m

Chicago O'Hare Intl

Mon 12/8

10:32 pm-11:52 pm

Nonstop1h 20m

$451

La CrosseChicago

LSE - ORD

LSEORD

La Crosse

Wed 11/19

4:10 pm-5:34 pm

Nonstop1h 24m

Chicago O'Hare Intl

Sun 11/23

8:00 am-9:20 am

Nonstop1h 20m

$455

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

7:50 am-10:56 am

1 stop3h 06m

$468

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from La Crosse to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from La Crosse to Illinois is on a Saturday when prices can be found for as low as $505. Flights from La Crosse to Illinois on a Monday will generally be more expensive and average around $1,009. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from La Crosse to Illinois during this time can be as low as $608. Flights in the afternoon are often more expensive with an average ticket price of $694.

What is the cheapest La Crosse to Illinois flight route?

Fly from La Crosse to Chicago O'Hare Intl for the best La Crosse - Illinois flight prices

What cabin class options are available on La Crosse to Illinois flights?

There are 4 cabin classes available to choose from on La Crosse to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap La Crosse to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from La Crosse to Illinois

Best Price Found

$352

Fastest flight time

1h 14m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in Illinois

1 airport
The best one-way flight to Illinois from La Crosse in the past 72 hours is $352. The best round-trip flight deal from La Crosse to Illinois found on momondo in the last 72 hours is $496.
The fastest flight from La Crosse to Illinois takes 1h 14m
Direct flights go from La Crosse to Illinois on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
Search flight deals

  • When did momondo last update prices for flights from La Crosse Airport to Illinois?

    Prices for flights from La Crosse Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from La Crosse Airport to Illinois?

  • How old do you have to be to fly from La Crosse Airport to Illinois?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from La Crosse Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from La Crosse to Illinois?

Best airlines flying from La Crosse to Illinois

Compare and see reviews for airlines that fly from La Crosse to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $327Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from La Crosse to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from La Crosse to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from La Crosse to Illinois with flexible booking policies on momondo?

All flight searches from La Crosse to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from La Crosse to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from La Crosse.

I’m not ready to book a flight from La Crosse to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of La Crosse to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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