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

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

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

As of March 2026, 134 flights take off from Illinois and land in Michigan each day. The most common flight departure time for this route is 4:00PM, with 35% of daily flights taking off in the afternoon.

How long is the flight from Illinois to Michigan?

The flight from Illinois to Michigan depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Detroit Metropolitan Wayne County Airport (the most popular airport in Michigan), then the flight time is 1h 12m on average. If you fly from Peoria (another popular airport in Illinois) to Detroit Metropolitan Wayne County Airport, then the average flight time is 3h 41m.

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

As of March 2026, there are 943 flights per week flying from Illinois to Michigan. The most common day of the week flights depart is Tue, with 27% of flights taking off on this day.

What airlines fly to Michigan?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Michigan from Illinois according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Michigan. Keep in mind that there are 5 different airlines that fly to Michigan on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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

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 Michigan.

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

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

$49 Cheap Flights from Illinois to Michigan in 2026

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Find the cheapest flights from Illinois to Michigan

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:32 am - 8:07 am

STL

DTW

19h 35m

1 stop

6:05 am - 10:32 am

DTW

STL

5h 27m

1 stop

$131Multiple Airlines

Wed, Mar 18 - Tue, Mar 24

11:21 am - 8:02 am

STL

DTW

19h 41m

1 stop

12:33 pm - 6:50 am

DTW

STL

19h 17m

1 stop

$153Frontier

Tue, Apr 7 - Tue, Apr 14

4:55 pm - 6:54 pm

ORD

GRR

0h 59mnonstop

7:43 pm - 7:55 pm

GRR

ORD

1h 12mnonstop

$171American Airlines

Thu, Mar 26 - Sat, Mar 28

9:50 am - 12:09 pm

ORD

DTW

1h 19mnonstop

7:48 pm - 8:17 pm

DTW

ORD

1h 29mnonstop

$171Delta

Sat, Mar 21 - Mon, Mar 23

7:00 pm - 9:10 pm

MDW

DTW

1h 10mnonstop

8:25 pm - 8:40 pm

DTW

MDW

1h 15mnonstop

$171Southwest

Thu, Mar 26 - Mon, Mar 30

5:08 pm - 7:13 pm

ORD

GRR

1h 05mnonstop

6:00 am - 6:14 am

GRR

ORD

1h 14mnonstop

$172American Airlines

Sat, Mar 21 - Mon, Mar 23

7:55 am - 10:05 am

MDW

DTW

1h 10mnonstop

3:35 pm - 7:35 pm

DTW

MDW

5h 00m

1 stop

$174Southwest

Wed, Apr 1 - Wed, Apr 1

8:29 pm - 10:50 pm

ORD

TVC

1h 21mnonstop

7:15 am - 7:38 am

TVC

ORD

1h 23mnonstop

$179United Airlines

Sat, May 9 - Mon, May 11

1:10 pm - 3:17 pm

MDW

DTW

1h 07mnonstop

8:30 am - 8:53 am

DTW

MDW

1h 23mnonstop

$191Delta

Tue, Mar 24 - Wed, Mar 25

5:00 am - 6:45 am

PAH

ORD

1h 45mnonstop

12:00 pm - 1:27 pm

ORD

PAH

1h 27mnonstop

$194United Airlines

Fri, Mar 13 - Sun, Mar 15

United Airlines flights from Illinois to Michigan

Our best United Airlines deals on Illinois to Michigan flight tickets

United Airlines

May 27

MLI6:34 pmMoline Quad-City

1h 21m

ORD7:55 pmChicago O'Hare Intl

May 31

ORD7:40 pmChicago O'Hare Intl

1h 24m

MLI9:04 pmMoline Quad-City

$179

United Airlines

Mar 25

ORD7:16 amChicago O'Hare Intl

1h 31m

DTW9:47 amDetroit Metropolitan Wayne County

Mar 25

DTW1:52 pmDetroit Metropolitan Wayne County

1h 30m

ORD2:22 pmChicago O'Hare Intl

$186

United Airlines

Mar 13

PAH5:00 amPaducah Barkley Regional

1h 45m

ORD6:45 amChicago O'Hare Intl

Mar 15

ORD12:00 pmChicago O'Hare Intl

1h 27m

PAH1:27 pmPaducah Barkley Regional

$194

American Airlines flights from Illinois to Michigan

Our best American Airlines deals on Illinois to Michigan flight tickets

American Airlines

Mar 26

ORD4:55 pmChicago O'Hare Intl

0h 59m

GRR6:54 pmGrand Rapids Gerald R. Ford Intl

Mar 28

GRR7:43 pmGrand Rapids Gerald R. Ford Intl

1h 12m

ORD7:55 pmChicago O'Hare Intl

$171

American Airlines

Mar 21

ORD5:08 pmChicago O'Hare Intl

1h 05m

GRR7:13 pmGrand Rapids Gerald R. Ford Intl

Mar 23

GRR6:00 amGrand Rapids Gerald R. Ford Intl

1h 14m

ORD6:14 amChicago O'Hare Intl

$172

American Airlines

May 9

ORD4:53 pmChicago O'Hare Intl

1h 23m

TVC7:16 pmTraverse City Cherry Capital

May 11

TVC4:14 pmTraverse City Cherry Capital

1h 35m

ORD4:49 pmChicago O'Hare Intl

$179

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 3/18

11:32 am-8:07 am

1 stop19h 35m

Detroit Metropolitan Wayne County

Tue 3/24

6:05 am-10:32 am

1 stop5h 27m

$131

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 4/7

11:21 am-8:02 am

1 stop19h 41m

Detroit Metropolitan Wayne County

Tue 4/14

12:33 pm-6:50 am

1 stop19h 17m

$153

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Thu 3/26

4:55 pm-6:54 pm

Nonstop0h 59m

Grand Rapids Gerald R. Ford Intl

Sat 3/28

7:43 pm-7:55 pm

Nonstop1h 12m

$171

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Sat 3/21

9:50 am-12:09 pm

Nonstop1h 19m

Detroit Metropolitan Wayne County

Mon 3/23

7:48 pm-8:17 pm

Nonstop1h 29m

$171

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Thu 3/26

7:00 pm-9:10 pm

Nonstop1h 10m

Detroit Metropolitan Wayne County

Mon 3/30

8:25 pm-8:40 pm

Nonstop1h 15m

$171

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Sat 3/21

5:08 pm-7:13 pm

Nonstop1h 05m

Grand Rapids Gerald R. Ford Intl

Mon 3/23

6:00 am-6:14 am

Nonstop1h 14m

$172

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Wed 4/1

7:55 am-10:05 am

Nonstop1h 10m

Detroit Metropolitan Wayne County

Wed 4/1

3:35 pm-7:35 pm

1 stop5h 00m

$174

ChicagoTraverse City

ORD - TVC

ORDTVC

Chicago O'Hare Intl

Sat 5/9

8:29 pm-10:50 pm

Nonstop1h 21m

Traverse City Cherry Capital

Mon 5/11

7:15 am-7:38 am

Nonstop1h 23m

$179

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Tue 3/24

1:10 pm-3:17 pm

Nonstop1h 07m

Detroit Metropolitan Wayne County

Wed 3/25

8:30 am-8:53 am

Nonstop1h 23m

$191

PaducahChicago

PAH - ORD

PAHORD

Paducah Barkley Regional

Fri 3/13

5:00 am-6:45 am

Nonstop1h 45m

Chicago O'Hare Intl

Sun 3/15

12:00 pm-1:27 pm

Nonstop1h 27m

$194

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 Michigan

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 month to fly to Michigan?

If you aren’t able to travel to Michigan during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $229.

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

The cheapest day to depart from Illinois to Michigan is on a Friday when prices can be found for as low as $353. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $641. These prices are subject to change though, so be sure to set up a Price Alert for flights to Michigan.

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

The cheapest time of day to fly to Michigan is in the morning when flights can be purchased for as low as $432. At noon is when there is more demand to fly to Michigan, so prices are often more expensive at around $684 per ticket.

What is the cheapest Illinois to Michigan flight route?

Fly from Chicago O'Hare Intl to Grand Rapids Gerald R. Ford Intl for the best Illinois - Michigan flight prices

How far in advance should I book a flight to Michigan?

You are more likely to see cheaper flights to Michigan from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Michigan for around $291 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Michigan from Illinois for as low as $151 on momondo.

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

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

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

Cheap Illinois to Michigan flight deals and tips

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

Best Price Found	$48
Fastest flight time	0h 50m
Direct flights	Every day
Airports in Michigan	115 airports

The best one-way flight to Michigan from Illinois in the past 72 hours is $48. The best round-trip flight deal from Illinois to Michigan found on momondo in the last 72 hours is $171.

The fastest flight from Illinois to Michigan takes 0h 50m

Direct flights go from Illinois to Michigan every day.

There are 115 airports in Michigan. From Illinois there are direct flights to Chicago Midway (MDW), Grand Rapids Gerald R. Ford Intl (GRR), Detroit Metropolitan Wayne County (DTW).

Search flight deals

When did momondo last update prices for flights from Illinois to Michigan?
Prices for flights from Illinois to Michigan were last updated today.
How many operators does momondo search for flights from Illinois to Michigan?
As of March 2026, there are 7 operators available to choose from for flights from Illinois to Michigan.
How old do you have to be to fly from Illinois to Michigan?
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 Michigan.
What documentation or ID do you need to fly to Michigan?
The travel and health documents you'll need for your trip to Michigan 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 Michigan. 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 Michigan?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Michigan is Canadair (Bombardier) Regional Jet 700 (11.48% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (11.16%), Embraer 175 (8.72%), and Embraer 170 (7.30%).

Best airlines flying from Illinois to Michigan

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $91	Free Cancellation	Rating 7.9 8,242 reviews	Search Delta flights
American Airlines	PriceFrom $91	Free Cancellation	Rating 7.1 11,375 reviews	Search American Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,302 reviews	Search Southwest flights
United Airlines	PriceFrom $114	Free Cancellation	Rating 7.4 9,378 reviews	Search United Airlines flights
Frontier	PriceFrom $144	Free Cancellation	Rating 5.7 3,041 reviews	Search Frontier flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Michigan for you.

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

Yes. All flights to Michigan 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 Michigan?

Once all potential Illinois to Michigan 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 Illinois to Michigan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Michigan from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Michigan trip

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Popular cities in Michigan

Flights to New Yorkfrom $37

Flights to Los Angelesfrom $46

Flights to Miamifrom $52

Flights to Orlandofrom $36

Flights to Chicagofrom $56

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $55

Flights to Washington, D.C.from $56

Flights to Bostonfrom $77

Flights to Atlantafrom $49

Flights to Dallasfrom $60

Flights to Seattlefrom $55

Cheap flights from Illinois to Michigan 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 Illinois to Michigan departing on 3/31. 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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Find the cheapest flights from Illinois to Michigan

Cheap round-trip flights

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United Airlines flights from Illinois to Michigan

Our best United Airlines deals on Illinois to Michigan flight tickets

American Airlines flights from Illinois to Michigan

Our best American Airlines deals on Illinois to Michigan flight tickets

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How to get the cheapest flight ticket from Illinois to Michigan

What is the cheapest month to fly to Michigan?

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

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

What is the cheapest Illinois to Michigan flight route?

How far in advance should I book a flight to Michigan?

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

Can stopping save me money on Illinois to Michigan flights?

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

What airlines fly to Michigan?

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

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

How long is the flight from Illinois to Michigan?

Cheap Illinois to Michigan flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Michigan

Best airlines flying from Illinois to Michigan

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

Why use momondo?

An easier way to manage your Michigan 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 Michigan

Popular cities in Michigan

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

Illinois flight routes

According to popular flight searches on momondo this year

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