What is the cheapest airline that flies from Illinois to Wisconsin?

Southwest, United Airlines, and Delta are the most popular carriers operating from Illinois to Wisconsin

How many flights depart from Illinois to Wisconsin on average per day?

As of March 2026, there are 157 flights per day flying from Illinois to Wisconsin. The most common time of day flights depart is 4:00PM, with 40% of flights taking off in the evening.

How many flights depart from Illinois to Wisconsin on average per week?

As of March 2026, 1,102 flights take off from Illinois and land in Wisconsin each week. The most common flight departure day for this route is Wed, with 28% of weekly flights taking off on this day.

When did momondo last update prices for flights from Illinois to Wisconsin?

Prices for flights from Illinois to Wisconsin were last updated today.

How many operators does momondo search for flights from Illinois to Wisconsin?

As of March 2026, there are 7 operators available to choose from for flights from Illinois to Wisconsin.

How old do you have to be to fly from Illinois to Wisconsin?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Wisconsin.

What documentation or ID do you need to fly to Wisconsin?

The travel and health documents you'll need for your trip to Wisconsin 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 Wisconsin. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$49 Cheap Flights from Illinois to Wisconsin in 2026

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Find the cheapest flights from Illinois to Wisconsin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 7:57 am

ORD

MSP

1h 42mnonstop

1:43 pm - 3:19 pm

MSP

ORD

1h 36mnonstop

$117Delta

Tue, Mar 31 - Wed, Apr 1

2:40 pm - 11:05 pm

ORD

MSP

8h 25m

1 stop

6:55 am - 3:00 pm

MSP

ORD

8h 05m

1 stop

$122Southwest

Tue, Apr 14 - Wed, Apr 15

7:10 am - 8:50 am

ORD

MSP

1h 40mnonstop

6:00 am - 7:37 am

MSP

ORD

1h 37mnonstop

$127United Airlines

Wed, Apr 8 - Thu, Apr 9

2:15 pm - 3:50 pm

ORD

MSP

1h 35mnonstop

5:19 pm - 6:58 pm

MSP

ORD

1h 39mnonstop

$131United Airlines

Sat, Mar 28 - Sat, Apr 4

7:05 pm - 8:51 pm

ORD

MSP

1h 46mnonstop

6:42 pm - 8:18 pm

MSP

ORD

1h 36mnonstop

$137Sun Country Air

Fri, Apr 10 - Sun, Apr 12

7:35 pm - 9:21 pm

ORD

MSP

1h 46mnonstop

4:12 pm - 5:48 pm

MSP

ORD

1h 36mnonstop

$138Sun Country Air

Fri, Apr 24 - Sun, Apr 26

8:00 am - 9:06 am

ORD

ATW

1h 06mnonstop

6:39 pm - 7:59 pm

ATW

ORD

1h 20mnonstop

$179American Airlines

Sat, Mar 28 - Mon, Mar 30

8:00 am - 9:06 am

ORD

ATW

1h 06mnonstop

6:39 pm - 7:59 pm

ATW

ORD

1h 20mnonstop

$180American Airlines

Thu, Mar 26 - Sun, Mar 29

11:27 am - 6:33 pm

STL

ORD

7h 06m

1 stop

4:36 pm - 11:25 pm

ORD

STL

30h 49m

2 stops

$198Multiple Airlines

Tue, Mar 31 - Tue, Apr 7

8:23 pm - 9:40 am

STL

ORD

13h 17m

1 stop

7:15 pm - 6:50 am

ORD

STL

35h 35m

2 stops

$209Multiple Airlines

Mon, Apr 20 - Thu, Apr 23

United Airlines flights from Illinois to Wisconsin

Our best United Airlines deals on Illinois to Wisconsin flight tickets

United Airlines

Apr 8

ORD7:10 amChicago O'Hare Intl

1h 40m

MSP8:50 amMinneapolis St Paul

Apr 9

MSP6:00 amMinneapolis St Paul

1h 37m

ORD7:37 amChicago O'Hare Intl

$127

United Airlines

Mar 28

ORD2:15 pmChicago O'Hare Intl

1h 35m

MSP3:50 pmMinneapolis St Paul

Apr 4

MSP5:19 pmMinneapolis St Paul

1h 39m

ORD6:58 pmChicago O'Hare Intl

$131

United Airlines

Mar 18

DEC7:15 pmDecatur Arpt

1h 10m

ORD8:25 pmChicago O'Hare Intl

Mar 22

ORD7:45 amChicago O'Hare Intl

1h 07m

DEC8:52 amDecatur Arpt

$149

American Airlines flights from Illinois to Wisconsin

Our best American Airlines deals on Illinois to Wisconsin flight tickets

American Airlines

Mar 28

ORD8:00 amChicago O'Hare Intl

1h 06m

ATW9:06 amAppleton Intl

Mar 30

ATW6:39 pmAppleton Intl

1h 20m

ORD7:59 pmChicago O'Hare Intl

$179

American Airlines

Mar 26

ORD8:00 amChicago O'Hare Intl

1h 06m

ATW9:06 amAppleton Intl

Mar 29

ATW6:39 pmAppleton Intl

1h 20m

ORD7:59 pmChicago O'Hare Intl

$180

American Airlines

Apr 1

ORD10:40 pmChicago O'Hare Intl

1h 33m

MSP12:13 amMinneapolis St Paul

Apr 6

MSP6:00 amMinneapolis St Paul

1h 45m

ORD7:45 amChicago O'Hare Intl

$185

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Tue 3/31

6:15 am-7:57 am

Nonstop1h 42m

Minneapolis St Paul

Wed 4/1

1:43 pm-3:19 pm

Nonstop1h 36m

$117

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Tue 4/14

2:40 pm-11:05 pm

1 stop8h 25m

Minneapolis St Paul

Wed 4/15

6:55 am-3:00 pm

1 stop8h 05m

$122

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Wed 4/8

7:10 am-8:50 am

Nonstop1h 40m

Minneapolis St Paul

Thu 4/9

6:00 am-7:37 am

Nonstop1h 37m

$127

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Sat 3/28

2:15 pm-3:50 pm

Nonstop1h 35m

Minneapolis St Paul

Sat 4/4

5:19 pm-6:58 pm

Nonstop1h 39m

$131

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Fri 4/10

7:05 pm-8:51 pm

Nonstop1h 46m

Minneapolis St Paul

Sun 4/12

6:42 pm-8:18 pm

Nonstop1h 36m

$137

ChicagoMinneapolis

ORD - MSP

ORDMSP

Chicago O'Hare Intl

Fri 4/24

7:35 pm-9:21 pm

Nonstop1h 46m

Minneapolis St Paul

Sun 4/26

4:12 pm-5:48 pm

Nonstop1h 36m

$138

ChicagoAppleton

ORD - ATW

ORDATW

Chicago O'Hare Intl

Sat 3/28

8:00 am-9:06 am

Nonstop1h 06m

Appleton Intl

Mon 3/30

6:39 pm-7:59 pm

Nonstop1h 20m

$179

ChicagoAppleton

ORD - ATW

ORDATW

Chicago O'Hare Intl

Thu 3/26

8:00 am-9:06 am

Nonstop1h 06m

Appleton Intl

Sun 3/29

6:39 pm-7:59 pm

Nonstop1h 20m

$180

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 3/31

11:27 am-6:33 pm

1 stop7h 06m

Chicago O'Hare Intl

Tue 4/7

4:36 pm-11:25 pm

2 stops30h 49m

$198

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 4/20

8:23 pm-9:40 am

1 stop13h 17m

Chicago O'Hare Intl

Thu 4/23

7:15 pm-6:50 am

2 stops35h 35m

$209

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Wisconsin

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

Prices

Airlines

Other information

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

The cheapest day to depart from Illinois to Wisconsin is on a Monday. Travelers who choose to depart for Wisconsin on a Monday will often find tickets for as low as $199. The most expensive day to fly to Wisconsin is Tuesday, with ticket prices averaging around $361.

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

Our most recent data shows that the best time of day to fly to Wisconsin is in the evening. Flights from Illinois to Wisconsin during this time can be as low as $194. Flights at noon are often more expensive with an average ticket price of $320.

What is the cheapest Illinois to Wisconsin flight route?

Fly from Chicago O'Hare Intl to Milwaukee-Mitchell for the best Illinois - Wisconsin flight prices

What cabin class options are available on Illinois to Wisconsin flights?

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

Can stopping save me money on Illinois to Wisconsin flights?

No. A direct flight is the cheapest option for a flight between Illinois to Wisconsin.

Cheap Illinois to Wisconsin flight deals and tips

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

Best Price Found	$149
Fastest flight time	0h 45m
Direct flights	Every day
Airports in Wisconsin	80 airports

The best one-way flight to Wisconsin from Illinois in the past 72 hours is $149. The best round-trip flight deal from Illinois to Wisconsin found on momondo in the last 72 hours is $209.

The fastest flight from Illinois to Wisconsin takes 0h 45m

Direct flights go from Illinois to Wisconsin every day.

There are 80 airports in Wisconsin. From Illinois there are direct flights to Chicago O'Hare Intl (ORD), Appleton Intl (ATW), Milwaukee-Mitchell (MKE).

Search flight deals

When did momondo last update prices for flights from Illinois to Wisconsin?
Prices for flights from Illinois to Wisconsin were last updated today.
How many operators does momondo search for flights from Illinois to Wisconsin?
As of March 2026, there are 7 operators available to choose from for flights from Illinois to Wisconsin.
How old do you have to be to fly from Illinois to Wisconsin?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Wisconsin.
What documentation or ID do you need to fly to Wisconsin?
The travel and health documents you'll need for your trip to Wisconsin 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 Wisconsin. 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 Illinois to Wisconsin?
Based on momondo bookings for flights between Illinois and Wisconsin, the leading plane model is Canadair (Bombardier) Regional Jet, making up 17.43% of the total bookings. Other popular models include Embraer 170 with 16.78%, Canadair (Bombardier) Regional Jet CRJ-550 with 15.79%, and Embraer 175 (Enhanced Winglets) with 11.18%.

Best airlines flying from Illinois to Wisconsin

Compare and see reviews for airlines that fly from Illinois to Wisconsin with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.1 11,378 reviews		Search American Airlines flights
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 9,382 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Wisconsin from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Wisconsin quick and easy, saving you time and money.

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

Yes. All flights to Wisconsin from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Wisconsin?

momondo provides multiple filters to help you find the best flight to Wisconsin from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Illinois to Wisconsin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Wisconsin and let you know when they change.