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

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

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 42% 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.

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

As of December 2025, there are 1,222 flights per week flying from Illinois to Michigan. The most common day of the week flights depart is Sun, with 22% of flights taking off on this day.

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 11m on average. If you fly from Moline (another popular airport in Illinois) to Detroit Metropolitan Wayne County Airport, then the average flight time is 3h 47m.

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

As of December 2025, 174 flights take off from Illinois and land in Michigan each day. The most common flight departure time for this route is 5:00PM, with 45% of daily flights taking off in the afternoon.

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 December 2025, 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.

$59 Cheap Flights from Illinois to Michigan in 2025/26

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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.

5:42 pm - 1:13 pm

STL

ORD

19h 31m1 stop

2:53 pm - 6:51 am

ORD

STL

15h 58m1 stop

$140Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

5:11 pm - 1:13 pm

STL

ORD

20h 02m1 stop

2:53 pm - 6:51 am

ORD

STL

15h 58m1 stop

$141Multiple Airlines

Mon, Jan 12 - Tue, Jan 20

3:50 pm - 5:57 pm

ORD

GRR

1h 07mnonstop

6:32 pm - 6:55 pm

GRR

ORD

1h 23mnonstop

$144American Airlines

Tue, Jan 20 - Sat, Jan 24

7:09 pm - 8:25 pm

DEC

ORD

1h 16mnonstop

7:45 am - 9:05 am

ORD

DEC

1h 20mnonstop

$149United Airlines

Sat, Dec 27 - Wed, Dec 31

7:15 pm - 8:25 pm

DEC

ORD

1h 10mnonstop

4:50 pm - 5:54 pm

ORD

DEC

1h 04mnonstop

$159United Airlines

Sat, Feb 14 - Tue, Feb 17

9:45 am - 11:53 am

ORD

GRR

1h 08mnonstop

6:32 pm - 6:55 pm

GRR

ORD

1h 23mnonstop

$171American Airlines

Mon, Jan 12 - Mon, Jan 19

9:32 am - 11:43 am

MDW

DTW

1h 11mnonstop

5:09 pm - 5:34 pm

DTW

MDW

1h 25mnonstop

$171Delta

Thu, Jan 8 - Mon, Jan 12

5:55 pm - 7:05 pm

STL

MDW

1h 10mnonstop

1:50 pm - 3:00 pm

MDW

STL

1h 10mnonstop

$171Southwest

Thu, Jan 8 - Mon, Jan 12

9:32 am - 11:43 am

MDW

DTW

1h 11mnonstop

12:25 pm - 12:48 pm

DTW

MDW

1h 23mnonstop

$173Delta

Thu, Jan 15 - Sun, Jan 18

5:15 pm - 10:30 pm

MDW

DTW

4h 15m1 stop

1:40 pm - 1:55 pm

DTW

MDW

1h 15mnonstop

$181Southwest

Thu, Jan 8 - Mon, Jan 12

American Airlines flights from Illinois to Michigan

Our best American Airlines deals on Illinois to Michigan flight tickets

American Airlines

Mar 3

STL6:00 amLambert-St Louis

1h 26m

ORD7:26 amChicago O'Hare Intl

Mar 4

ORD12:28 pmChicago O'Hare Intl

1h 26m

STL1:54 pmLambert-St Louis

$117

Find similar

American Airlines

Jan 20

ORD3:50 pmChicago O'Hare Intl

1h 07m

GRR5:57 pmGrand Rapids Gerald R. Ford Intl

Jan 24

GRR6:32 pmGrand Rapids Gerald R. Ford Intl

1h 23m

ORD6:55 pmChicago O'Hare Intl

$144

Find similar

American Airlines

Jan 12

ORD9:45 amChicago O'Hare Intl

1h 08m

GRR11:53 amGrand Rapids Gerald R. Ford Intl

Jan 19

GRR6:32 pmGrand Rapids Gerald R. Ford Intl

1h 23m

ORD6:55 pmChicago O'Hare Intl

$171

Find similar

United Airlines flights from Illinois to Michigan

Our best United Airlines deals on Illinois to Michigan flight tickets

United Airlines

Jan 11

DEC7:09 pmDecatur Arpt

1h 16m

ORD8:25 pmChicago O'Hare Intl

Jan 19

ORD4:52 pmChicago O'Hare Intl

1h 09m

DEC6:01 pmDecatur Arpt

$149

Find similar

United Airlines

Jan 28

DEC9:49 amDecatur Arpt

1h 16m

ORD11:05 amChicago O'Hare Intl

Feb 11

ORD7:45 amChicago O'Hare Intl

1h 20m

DEC9:05 amDecatur Arpt

$159

Find similar

United Airlines

Jan 10

STL4:49 pmLambert-St Louis

1h 43m

ORD6:32 pmChicago O'Hare Intl

Jan 17

ORD1:00 pmChicago O'Hare Intl

1h 28m

STL2:28 pmLambert-St Louis

$171

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 1/27

5:42 pm-1:13 pm

1 stop19h 31m

Chicago O'Hare Intl

Tue 2/3

2:53 pm-6:51 am

1 stop15h 58m

$140

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 1/12

5:11 pm-1:13 pm

1 stop20h 02m

Chicago O'Hare Intl

Tue 1/20

2:53 pm-6:51 am

1 stop15h 58m

$141

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Tue 1/20

3:50 pm-5:57 pm

Nonstop1h 07m

Grand Rapids Gerald R. Ford Intl

Sat 1/24

6:32 pm-6:55 pm

Nonstop1h 23m

$144

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sat 12/27

7:09 pm-8:25 pm

Nonstop1h 16m

Chicago O'Hare Intl

Wed 12/31

7:45 am-9:05 am

Nonstop1h 20m

$149

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sat 2/14

7:15 pm-8:25 pm

Nonstop1h 10m

Chicago O'Hare Intl

Tue 2/17

4:50 pm-5:54 pm

Nonstop1h 04m

$159

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Mon 1/12

9:45 am-11:53 am

Nonstop1h 08m

Grand Rapids Gerald R. Ford Intl

Mon 1/19

6:32 pm-6:55 pm

Nonstop1h 23m

$171

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Thu 1/8

9:32 am-11:43 am

Nonstop1h 11m

Detroit Metropolitan Wayne County

Mon 1/12

5:09 pm-5:34 pm

Nonstop1h 25m

$171

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 1/8

5:55 pm-7:05 pm

Nonstop1h 10m

Chicago Midway

Mon 1/12

1:50 pm-3:00 pm

Nonstop1h 10m

$171

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Thu 1/15

9:32 am-11:43 am

Nonstop1h 11m

Detroit Metropolitan Wayne County

Sun 1/18

12:25 pm-12:48 pm

Nonstop1h 23m

$173

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Thu 1/8

5:15 pm-10:30 pm

1 stop4h 15m

Detroit Metropolitan Wayne County

Mon 1/12

1:40 pm-1:55 pm

Nonstop1h 15m

$181

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 $366. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $694. 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 evening when flights can be purchased for as low as $455. At noon is when there is more demand to fly to Michigan, so prices are often more expensive at around $682 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 $256 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	$49
Fastest flight time	0h 45m
Direct flights	Every day
Airports in Michigan	115 airports

The best one-way flight to Michigan from Illinois in the past 72 hours is $49. The best round-trip flight deal from Illinois to Michigan found on momondo in the last 72 hours is $138.

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

Direct flights go from Illinois to Michigan every day.

There are 115 airports in Michigan. From Illinois there are direct flights to Chicago O'Hare Intl (ORD), 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 December 2025, 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 (13.60% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (11.37%), Airbus A319 (8.74%), and Boeing 717-200 (7.47%).

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 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $91	Free Cancellation	Rating 7.2 11,052 reviews	Search American Airlines flights
United Airlines	PriceFrom $97	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights
Frontier	PriceFrom $144	Free Cancellation	Rating 5.8 3,080 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

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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Find better results for your trip to Michigan

Popular cities in Michigan

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Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $57

Flights to Bostonfrom $52

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Flights to Seattlefrom $58

Cheap flights from Illinois to Michigan from $59

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 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Michigan

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Illinois to Michigan

Our best American Airlines deals on Illinois to Michigan flight tickets

United Airlines flights from Illinois to Michigan

Our best United Airlines deals on Illinois to Michigan flight tickets

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

See travel insights to Michigan from

How to get the cheapest flight ticket from Illinois to Michigan

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?

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 evening when flights can be purchased for as low as $455. At noon is when there is more demand to fly to Michigan, so prices are often more expensive at around $682 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?

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.

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

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

What airlines fly to Michigan?

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

As of December 2025, 174 flights take off from Illinois and land in Michigan each day. The most common flight departure time for this route is 5:00PM, with 45% of daily flights taking off in the afternoon.

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

As of December 2025, there are 1,222 flights per week flying from Illinois to Michigan. The most common day of the week flights depart is Sun, with 22% of flights taking off on this day.

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

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

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

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

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

What is the most popular plane model from Illinois to 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?

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

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

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

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

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