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Cheap flights from Michigan to Illinois from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Michigan to Illinois departing on 9/16. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Michigan to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:34 am - 6:50 amGRR  Grand Rapids Gerald R. Ford Intl-ORD Chicago O'Hare Intl
1h 16mnonstop
American Airlines Logo
6:58 am - 9:10 amORD  Chicago O'Hare Intl-GRR Grand Rapids Gerald R. Ford Intl
1h 12mnonstop
$137American Airlines
Sat, Sep 5 - Mon, Sep 7
American Airlines Logo
9:07 pm - 9:35 pmGRR  Grand Rapids Gerald R. Ford Intl-ORD Chicago O'Hare Intl
1h 28mnonstop
American Airlines Logo
9:00 pm - 11:06 pmORD  Chicago O'Hare Intl-GRR Grand Rapids Gerald R. Ford Intl
1h 06mnonstop
$137American Airlines
Tue, Sep 15 - Tue, Sep 22
United Airlines Logo
5:00 am - 5:19 amGRR  Grand Rapids Gerald R. Ford Intl-ORD Chicago O'Hare Intl
1h 19mnonstop
United Airlines Logo
5:59 am - 8:11 amORD  Chicago O'Hare Intl-GRR Grand Rapids Gerald R. Ford Intl
1h 12mnonstop
$137United Airlines
Thu, Sep 17 - Wed, Sep 23
United Airlines Logo
3:46 pm - 4:03 pmGRR  Grand Rapids Gerald R. Ford Intl-ORD Chicago O'Hare Intl
1h 17mnonstop
United Airlines Logo
9:00 am - 11:19 amORD  Chicago O'Hare Intl-GRR Grand Rapids Gerald R. Ford Intl
1h 19mnonstop
$137United Airlines
Sat, Sep 5 - Sat, Sep 12
Frontier Logo
7:00 am - 1:10 pmDTW  Detroit Metropolitan Wayne County-STL Lambert-St Louis
7h 10m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:20 am - 9:32 pmSTL  Lambert-St Louis-DTW Detroit Metropolitan Wayne County
10h 12m1 stop Dallas/Fort Worth
$142Frontier
Wed, Sep 23 - Thu, Sep 24
Frontier Logo
8:57 pm - 4:34 pmDTW  Detroit Metropolitan Wayne County-STL Lambert-St Louis
20h 37m1 stop Orlando
Frontier Logo
5:19 pm - 11:35 amSTL  Lambert-St Louis-DTW Detroit Metropolitan Wayne County
17h 16m1 stop Orlando
$152Frontier
Thu, Sep 17 - Mon, Sep 21
Delta Logo
4:00 pm - 8:30 pmGRR  Grand Rapids Gerald R. Ford Intl-ORD Chicago O'Hare Intl
5h 30m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:29 pm - 11:56 pmORD  Chicago O'Hare Intl-GRR Grand Rapids Gerald R. Ford Intl
5h 27m1 stop Detroit Metropolitan Wayne County
$157Delta
Sat, Oct 3 - Wed, Oct 7
Delta Logo
4:00 pm - 8:30 pmGRR  Grand Rapids Gerald R. Ford Intl-ORD Chicago O'Hare Intl
5h 30m1 stop Detroit Metropolitan Wayne County
Delta Logo
7:30 pm - 11:48 pmORD  Chicago O'Hare Intl-GRR Grand Rapids Gerald R. Ford Intl
3h 18m1 stop Detroit Metropolitan Wayne County
$157Delta
Sat, Oct 3 - Mon, Oct 5
Southwest Logo
8:30 am - 8:45 amDTW  Detroit Metropolitan Wayne County-MDW Chicago Midway
1h 15mnonstop
Southwest Logo
3:35 pm - 5:45 pmMDW  Chicago Midway-DTW Detroit Metropolitan Wayne County
1h 10mnonstop
$180Southwest
Sat, Sep 5 - Sat, Sep 5
Southwest Logo
1:20 pm - 1:30 pmDTW  Detroit Metropolitan Wayne County-MDW Chicago Midway
1h 10mnonstop
Southwest Logo
1:00 pm - 3:10 pmMDW  Chicago Midway-DTW Detroit Metropolitan Wayne County
1h 10mnonstop
$182Southwest
Fri, Sep 11 - Mon, Sep 14

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Frontier flights from Michigan to Illinois

Our best Frontier deals on Michigan to Illinois flight tickets
Frontier
Sep 23
DTW7:00 amDetroit Metropolitan Wayne County
7h 10m
1 stop
STL1:10 pmLambert-St Louis
Sep 24
STL10:20 amLambert-St Louis
10h 12m
1 stop
DTW9:32 pmDetroit Metropolitan Wayne County
$142
Frontier
Sep 10
DTW8:57 pmDetroit Metropolitan Wayne County
20h 37m
1 stop
STL4:34 pmLambert-St Louis
Sep 12
STL12:17 pmLambert-St Louis
15h 38m
1 stop
DTW4:55 amDetroit Metropolitan Wayne County
$152
Frontier
Sep 12
DTW7:08 amDetroit Metropolitan Wayne County
13h 09m
1 stop
STL7:17 pmLambert-St Louis
Sep 19
STL8:10 pmLambert-St Louis
18h 18m
1 stop
DTW3:28 pmDetroit Metropolitan Wayne County
$159

United Airlines flights from Michigan to Illinois

Our best United Airlines deals on Michigan to Illinois flight tickets
United Airlines
Nov 11
GRR5:32 amGrand Rapids Gerald R. Ford Intl
1h 27m
ORD5:59 amChicago O'Hare Intl
Nov 18
ORD7:20 amChicago O'Hare Intl
1h 13m
GRR9:33 amGrand Rapids Gerald R. Ford Intl
$137
United Airlines
Sep 6
GRR3:52 pmGrand Rapids Gerald R. Ford Intl
1h 17m
ORD4:09 pmChicago O'Hare Intl
Sep 12
ORD7:59 pmChicago O'Hare Intl
1h 18m
GRR10:17 pmGrand Rapids Gerald R. Ford Intl
$166
United Airlines
Sep 8
GRR9:15 amGrand Rapids Gerald R. Ford Intl
1h 19m
ORD9:34 amChicago O'Hare Intl
Sep 10
ORD7:59 pmChicago O'Hare Intl
1h 07m
GRR10:06 pmGrand Rapids Gerald R. Ford Intl
$168

momondo Fare Finder

 
Customize your flight search to find flights from Michigan 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 August 18, 2026.
Use the filters below to find and compare flights from Michigan to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Grand RapidsChicago

GRR Grand Rapids Gerald R. Ford Intl - ORD Chicago O'Hare Intl

GRRORD

Grand Rapids Gerald R. Ford Intl

Sat 9/5

6:34 am-6:50 am

Nonstop1h 16m

Chicago O'Hare Intl

Mon 9/7

6:58 am-9:10 am

Nonstop1h 12m

$137

Grand RapidsChicago

GRR Grand Rapids Gerald R. Ford Intl - ORD Chicago O'Hare Intl

GRRORD

Grand Rapids Gerald R. Ford Intl

Tue 9/15

9:07 pm-9:35 pm

Nonstop1h 28m

Chicago O'Hare Intl

Tue 9/22

9:00 pm-11:06 pm

Nonstop1h 06m

$137

Grand RapidsChicago

GRR Grand Rapids Gerald R. Ford Intl - ORD Chicago O'Hare Intl

GRRORD

Grand Rapids Gerald R. Ford Intl

Thu 9/17

5:00 am-5:19 am

Nonstop1h 19m

Chicago O'Hare Intl

Wed 9/23

5:59 am-8:11 am

Nonstop1h 12m

$137

Grand RapidsChicago

GRR Grand Rapids Gerald R. Ford Intl - ORD Chicago O'Hare Intl

GRRORD

Grand Rapids Gerald R. Ford Intl

Sat 9/5

3:46 pm-4:03 pm

Nonstop1h 17m

Chicago O'Hare Intl

Sat 9/12

9:00 am-11:19 am

Nonstop1h 19m

$137

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Wed 9/23

7:00 am-1:10 pm

1 stop7h 10m

Lambert-St Louis

Thu 9/24

10:20 am-9:32 pm

1 stop10h 12m

$142

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Thu 9/17

8:57 pm-4:34 pm

1 stop20h 37m

Lambert-St Louis

Mon 9/21

5:19 pm-11:35 am

1 stop17h 16m

$152

Grand RapidsChicago

GRR Grand Rapids Gerald R. Ford Intl - ORD Chicago O'Hare Intl

GRRORD

Grand Rapids Gerald R. Ford Intl

Sat 10/3

4:00 pm-8:30 pm

1 stop5h 30m

Chicago O'Hare Intl

Wed 10/7

5:29 pm-11:56 pm

1 stop5h 27m

$157

Grand RapidsChicago

GRR Grand Rapids Gerald R. Ford Intl - ORD Chicago O'Hare Intl

GRRORD

Grand Rapids Gerald R. Ford Intl

Sat 10/3

4:00 pm-8:30 pm

1 stop5h 30m

Chicago O'Hare Intl

Mon 10/5

7:30 pm-11:48 pm

1 stop3h 18m

$157

DetroitChicago

DTW Detroit Metropolitan Wayne County - MDW Chicago Midway

DTWMDW

Detroit Metropolitan Wayne County

Sat 9/5

8:30 am-8:45 am

Nonstop1h 15m

Chicago Midway

Sat 9/5

3:35 pm-5:45 pm

Nonstop1h 10m

$180
Quickest round-trip

DetroitChicago

DTW Detroit Metropolitan Wayne County - MDW Chicago Midway

DTWMDW

Detroit Metropolitan Wayne County

Fri 9/11

1:20 pm-1:30 pm

Nonstop1h 10m

Chicago Midway

Mon 9/14

1:00 pm-3:10 pm

Nonstop1h 10m

$182

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Michigan 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 month to fly to Illinois?

The cheapest month to fly to Illinois from Michigan is in October. Flight prices, which tend to average around $226, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $232.

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

The cheapest day to depart from Michigan to Illinois is on a Friday when prices can be found for as low as $513. Flights from Michigan to Illinois on a Monday will generally be more expensive and average around $731. 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 Michigan to Illinois during this time can be as low as $526. Flights at noon are often more expensive with an average ticket price of $980.

What is the cheapest Michigan to Illinois flight route?

Fly from Detroit Metropolitan Wayne County to Chicago Midway for the best Michigan - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Michigan for as low as $205 on momondo.

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

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

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

Cheap Michigan to Illinois flight deals and tips

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

Best Price Found

$69

Fastest flight time

0h 50m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Michigan in the past 72 hours is $69. The best round-trip flight deal from Michigan to Illinois found on momondo in the last 72 hours is $137.
The fastest flight from Michigan to Illinois takes 0h 50m
Direct flights go from Michigan to Illinois every day.
There are 98 airports in Illinois. From Michigan there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Michigan to Illinois

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

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

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

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

    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 Michigan 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 Michigan to Illinois?

Best airlines flying from Michigan to Illinois

Compare and see reviews for airlines that fly from Michigan to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $70Free CancellationRating
5.6
2,667 reviews
Search Frontier flights
American AirlinesPriceFrom $91Free CancellationRating
7.1
11,951 reviews
Search American Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
10,100 reviews
Search United Airlines flights
DeltaPriceFrom $121Free CancellationRating
7.8
8,499 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find Michigan to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Yes. momondo enables you to select and highlight flights to Illinois from Michigan with this policy.

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

momondo helps you find the best flight between Michigan and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Michigan to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Illinois trip

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Find better results for your trip to Illinois

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