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

The number of flights available between Wisconsin and Illinois is 255 per day as of November 2025. The most frequent departure time is 3:00PM, with 44% of daily flights leaving in the afternoon.

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

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

How long is the flight from Wisconsin to Illinois?

The flight from Wisconsin to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Milwaukee (a popular airport in Wisconsin) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 1h on average. If you fly from Madison (another popular airport in Wisconsin) to Chicago O'Hare Intl Airport, then the average flight time is 1h 11m.

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

The number of flights available between Wisconsin and Illinois is 1,787 per week as of November 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

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

Prices for flights from Wisconsin to Illinois are refreshed on a daily basis.

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

The number of operators available for flights from Wisconsin to Illinois is 7 as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Wisconsin to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$49 Cheap Flights from Wisconsin to Illinois in 2025/26

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Find the cheapest flights from Wisconsin to Illinois

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:18 am - 10:08 amMSP-ORD

1h 50mnonstop

11:45 am - 1:24 pmORD-MSP

1h 39mnonstop

$78Sun Country Air

Find Deal

Wed, Dec 24 - Wed, Dec 31

10:09 pm - 11:54 pmMSP-ORD

1h 45mnonstop

8:19 am - 9:58 amORD-MSP

1h 39mnonstop

$79Multiple Airlines

Find Deal

Mon, Dec 22 - Sun, Dec 28

8:31 am - 10:16 amMSP-ORD

1h 45mnonstop

7:00 am - 6:12 pmORD-MSP

11h 12m1 stop

$84Frontier

Find Deal

Fri, Dec 5 - Mon, Dec 8

8:31 am - 10:16 amMSP-ORD

1h 45mnonstop

7:00 am - 12:02 amORD-MSP

17h 02m1 stop

$85Frontier

Find Deal

Fri, Dec 5 - Mon, Dec 8

6:30 pm - 8:11 pmMSP-ORD

1h 41mnonstop

8:05 pm - 9:41 pmORD-MSP

1h 36mnonstop

$97United Airlines

Find Deal

Sat, Feb 14 - Tue, Feb 17

7:15 am - 9:00 amMSP-MDW

1h 45mnonstop

11:25 am - 12:55 pmMDW-MSP

1h 30mnonstop

$97Southwest

Find Deal

Wed, Dec 24 - Thu, Dec 25

9:46 am - 11:27 amMSP-ORD

1h 41mnonstop

8:50 am - 10:23 amORD-MSP

1h 33mnonstop

$107United Airlines

Find Deal

Wed, Dec 17 - Sat, Jan 17

5:00 am - 6:45 amMSP-MDW

1h 45mnonstop

11:25 am - 12:55 pmMDW-MSP

1h 30mnonstop

$107Southwest

Find Deal

Tue, Dec 23 - Thu, Dec 25

7:07 am - 8:35 amORD-STL

1h 28mnonstop

4:53 pm - 6:37 pmSTL-ORD

1h 44mnonstop

$135American Airlines

Find Deal

Thu, Jan 1 - Mon, Jan 5

6:41 am - 8:08 amORD-STL

1h 27mnonstop

5:05 am - 6:35 amSTL-ORD

1h 30mnonstop

$144American Airlines

Find Deal

Mon, Dec 8 - Wed, Dec 10

Frontier flights from Wisconsin to Illinois

Our best Frontier deals on Wisconsin to Illinois flight tickets

Frontier

Dec 5

MSP8:31 amMinneapolis St Paul

1h 45m

ORD10:16 amChicago O'Hare Intl

Dec 8

ORD7:00 amChicago O'Hare Intl

11h 12m

1 stop

MSP6:12 pmMinneapolis St Paul

$84

Find similar

Frontier

Dec 5

MSP8:31 amMinneapolis St Paul

1h 45m

ORD10:16 amChicago O'Hare Intl

Dec 8

ORD7:00 amChicago O'Hare Intl

17h 02m

1 stop

MSP12:02 amMinneapolis St Paul

$85

Find similar

Frontier

Dec 19

MSP2:57 pmMinneapolis St Paul

1h 45m

ORD4:42 pmChicago O'Hare Intl

Dec 22

ORD7:38 pmChicago O'Hare Intl

1h 36m

MSP9:14 pmMinneapolis St Paul

$87

Find similar

Sun Country Air flights from Wisconsin to Illinois

Our best Sun Country Air deals on Wisconsin to Illinois flight tickets

Sun Country Air

Dec 24

MSP8:18 amMinneapolis St Paul

1h 50m

ORD10:08 amChicago O'Hare Intl

Dec 31

ORD11:45 amChicago O'Hare Intl

1h 39m

MSP1:24 pmMinneapolis St Paul

$78

Find similar

Sun Country Air

Dec 21

MSP5:12 pmMinneapolis St Paul

1h 38m

ORD6:50 pmChicago O'Hare Intl

Dec 28

ORD8:19 amChicago O'Hare Intl

1h 39m

MSP9:58 amMinneapolis St Paul

$92

Find similar

Sun Country Air

Dec 13

MSP6:12 amMinneapolis St Paul

1h 44m

ORD7:56 amChicago O'Hare Intl

Dec 14

ORD9:40 pmChicago O'Hare Intl

1h 42m

MSP11:22 pmMinneapolis St Paul

$105

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Wed 12/24

8:18 am-10:08 am

Nonstop1h 50m

Chicago O'Hare Intl

Wed 12/31

11:45 am-1:24 pm

Nonstop1h 39m

$78

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Mon 12/22

10:09 pm-11:54 pm

Nonstop1h 45m

Chicago O'Hare Intl

Sun 12/28

8:19 am-9:58 am

Nonstop1h 39m

$79

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Fri 12/5

8:31 am-10:16 am

Nonstop1h 45m

Chicago O'Hare Intl

Mon 12/8

7:00 am-6:12 pm

1 stop11h 12m

$84

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Fri 12/5

8:31 am-10:16 am

Nonstop1h 45m

Chicago O'Hare Intl

Mon 12/8

7:00 am-12:02 am

1 stop17h 02m

$85

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Sat 2/14

6:30 pm-8:11 pm

Nonstop1h 41m

Chicago O'Hare Intl

Tue 2/17

8:05 pm-9:41 pm

Nonstop1h 36m

$97

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Wed 12/24

7:15 am-9:00 am

Nonstop1h 45m

Chicago Midway

Thu 12/25

11:25 am-12:55 pm

Nonstop1h 30m

$97

MinneapolisChicago

MSP - ORD

MSPORD

Minneapolis St Paul

Wed 12/17

9:46 am-11:27 am

Nonstop1h 41m

Chicago O'Hare Intl

Sat 1/17

8:50 am-10:23 am

Nonstop1h 33m

$107

MinneapolisChicago

MSP - MDW

MSPMDW

Minneapolis St Paul

Tue 12/23

5:00 am-6:45 am

Nonstop1h 45m

Chicago Midway

Thu 12/25

11:25 am-12:55 pm

Nonstop1h 30m

$107

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 1/1

7:07 am-8:35 am

Nonstop1h 28m

Lambert-St Louis

Mon 1/5

4:53 pm-6:37 pm

Nonstop1h 44m

$135

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Mon 12/8

6:41 am-8:08 am

Nonstop1h 27m

Lambert-St Louis

Wed 12/10

5:05 am-6:35 am

Nonstop1h 30m

$144

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Wisconsin 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

Prices

Airlines

Other information

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

The cheapest day to depart from Wisconsin to Illinois is on a Friday when prices can be found for as low as $454. Flights from Wisconsin to Illinois on a Monday will generally be more expensive and average around $567. 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 Wisconsin to Illinois during this time can be as low as $474. Flights in the evening are often more expensive with an average ticket price of $729.

What is the cheapest Wisconsin to Illinois flight route?

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

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

There are 4 cabin classes available to choose from on Wisconsin to Illinois 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 Wisconsin to Illinois flights?

You could potentially save up to 26% on your flight if you consider stops on a Wisconsin to Illinois flight.

Cheap Wisconsin to Illinois flight deals and tips

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

Best Price Found	$169
Fastest flight time	0h 57m
Direct flights	Every day
Airports in Illinois	2 airports

The best one-way flight to Illinois from Wisconsin in the past 72 hours is $169. The best round-trip flight deal from Wisconsin to Illinois found on momondo in the last 72 hours is $296.

The fastest flight from Wisconsin to Illinois takes 0h 57m

Direct flights go from Wisconsin to Illinois every day.

There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Wisconsin to Illinois?
Prices for flights from Wisconsin to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Wisconsin to Illinois?
The number of operators available for flights from Wisconsin to Illinois is 7 as of November 2025.
How old do you have to be to fly from Wisconsin to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Wisconsin to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Wisconsin to Illinois?
Based on momondo bookings for flights between Wisconsin and Illinois, the leading plane model is Airbus A320-100/200, making up 12.48% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 8.88%, Boeing 737 MAX 8 with 8.17%, and Embraer 175 with 7.92%.

Best airlines flying from Wisconsin to Illinois

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 9,007 reviews		Search United Airlines flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 11,040 reviews		Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Wisconsin.

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

momondo does allow users to show only those flights to Illinois from Wisconsin which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Wisconsin to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Illinois

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Cheap flights from Wisconsin to Illinois from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wisconsin to Illinois departing on 12/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Frontier flights from Wisconsin to Illinois

Our best Frontier deals on Wisconsin to Illinois flight tickets

Sun Country Air flights from Wisconsin to Illinois

Our best Sun Country Air deals on Wisconsin to Illinois flight tickets

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Use the filters below to find and compare flights from Wisconsin to Illinois that are best for you.

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How to get the cheapest flight ticket from Wisconsin 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?

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 Wisconsin to Illinois during this time can be as low as $474. Flights in the evening are often more expensive with an average ticket price of $729.

What is the cheapest Wisconsin to Illinois flight route?

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

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

There are 4 cabin classes available to choose from on Wisconsin to Illinois 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 Wisconsin to Illinois flights?

You could potentially save up to 26% on your flight if you consider stops on a Wisconsin to Illinois flight.

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

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

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

The number of flights available between Wisconsin and Illinois is 255 per day as of November 2025. The most frequent departure time is 3:00PM, with 44% of daily flights leaving in the afternoon.

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

The number of flights available between Wisconsin and Illinois is 1,787 per week as of November 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

How long is the flight from Wisconsin to Illinois?

Cheap Wisconsin to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

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

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

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

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

What is the most popular plane model from Wisconsin to Illinois?

Best airlines flying from Wisconsin to Illinois

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

Why use momondo?

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

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

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

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

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo