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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 12/15. 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
0 bags

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Find the cheapest flights from Illinois to Michigan

Cheap round-trip flights

Southwest Logo
5:55 pm - 7:05 pmSTL-MDW
1h 10mnonstop
Southwest Logo
9:05 pm - 10:20 pmMDW-STL
1h 15mnonstop
$97Southwest
Find Deal
Sat, Nov 1 - Mon, Nov 3
American Airlines Logo
7:16 am - 8:43 amSTL-ORD
1h 27mnonstop
American Airlines Logo
6:45 am - 8:09 amORD-STL
1h 24mnonstop
$97American Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
Delta Logo
7:10 am - 9:29 amORD-DTW
1h 19mnonstop
Delta Logo
3:50 pm - 4:11 pmDTW-ORD
1h 21mnonstop
$134Delta
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Tue, Oct 14 - Fri, Oct 17
Delta Logo
1:25 pm - 3:49 pmORD-DTW
1h 24mnonstop
Delta Logo
8:00 pm - 8:29 pmDTW-ORD
1h 29mnonstop
$137Delta
Find Deal
Mon, Nov 3 - Mon, Nov 10
Frontier Logo
6:00 am - 4:19 pmORD-DTW
9h 19m1 stop
Frontier Logo
7:26 pm - 12:59 amDTW-ORD
6h 33m1 stop
$139Frontier
Find Deal
Mon, Nov 10 - Mon, Nov 10
Frontier Logo
4:56 pm - 12:11 amSTL-ORD
7h 15m1 stop
Frontier Logo
5:01 am - 10:12 amORD-STL
5h 11m1 stop
$141Frontier
Find Deal
Fri, Nov 7 - Sun, Nov 9
United Airlines Logo
9:05 pm - 11:41 pmORD-DTW
1h 36mnonstop
United Airlines Logo
6:05 pm - 6:32 pmDTW-ORD
1h 27mnonstop
$157United Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
Spirit Airlines Logo
11:12 am - 7:40 pmORD-DTW
7h 28m1 stop
Spirit Airlines Logo
10:49 am - 5:13 pmDTW-ORD
7h 24m1 stop
$161Spirit Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
United Airlines Logo
2:25 pm - 4:51 pmORD-DTW
1h 26mnonstop
United Airlines Logo
6:05 pm - 6:32 pmDTW-ORD
1h 27mnonstop
$171United Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Spirit Airlines Logo
7:43 pm - 3:09 pmORD-DTW
18h 26m2 stops
Spirit Airlines Logo
9:25 am - 7:16 pmDTW-ORD
10h 51m1 stop
$209Spirit Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11

Southern / Mokulele flights from Illinois to Michigan

Our best Southern / Mokulele deals on Illinois to Michigan flight tickets
Southern / Mokulele
Oct 13
STL1:00 pmLambert-St Louis
3h 19m
1 stop
ORD4:19 pmChicago O'Hare Intl
Oct 20
ORD8:15 amChicago O'Hare Intl
3h 45m
1 stop
STL12:00 pmLambert-St Louis
$165
Find similar
Southern / Mokulele
Oct 17
STL9:20 amLambert-St Louis
6h 59m
1 stop
ORD4:19 pmChicago O'Hare Intl
Oct 20
ORD1:10 pmChicago O'Hare Intl
3h 25m
1 stop
STL4:35 pmLambert-St Louis
$169
Find similar
Southern / Mokulele
Oct 11
STL1:00 pmLambert-St Louis
18h 24m
1 stop
ORD7:24 amChicago O'Hare Intl
Oct 14
ORD1:10 pmChicago O'Hare Intl
19h 30m
1 stop
STL8:40 amLambert-St Louis
$185
Find similar

United Airlines flights from Illinois to Michigan

Our best United Airlines deals on Illinois to Michigan flight tickets
United Airlines
Oct 14
ORD9:05 pmChicago O'Hare Intl
1h 36m
DTW11:41 pmDetroit Metropolitan Wayne County
Oct 20
DTW6:05 pmDetroit Metropolitan Wayne County
1h 27m
ORD6:32 pmChicago O'Hare Intl
$157
Find similar
United Airlines
Oct 18
STL5:28 pmLambert-St Louis
1h 25m
ORD6:53 pmChicago O'Hare Intl
Oct 25
ORD2:20 pmChicago O'Hare Intl
1h 24m
STL3:44 pmLambert-St Louis
$171
Find similar
United Airlines
Oct 17
ORD11:05 amChicago O'Hare Intl
1h 21m
FNT1:26 pmFlint Bishop
Oct 19
FNT4:43 pmFlint Bishop
1h 27m
ORD5:10 pmChicago O'Hare Intl
$179
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Michigan 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 September 21, 2025.
Use the filters below to find and compare flights from Illinois to Michigan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Sat 11/1

5:55 pm-7:05 pm

Nonstop1h 10m

Chicago Midway

Mon 11/3

9:05 pm-10:20 pm

Nonstop1h 15m

$97

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 10/15

7:16 am-8:43 am

Nonstop1h 27m

Chicago O'Hare Intl

Sat 10/18

6:45 am-8:09 am

Nonstop1h 24m

$97

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Tue 10/14

7:10 am-9:29 am

Nonstop1h 19m

Detroit Metropolitan Wayne County

Fri 10/17

3:50 pm-4:11 pm

Nonstop1h 21m

$134

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Mon 11/3

1:25 pm-3:49 pm

Nonstop1h 24m

Detroit Metropolitan Wayne County

Mon 11/10

8:00 pm-8:29 pm

Nonstop1h 29m

$137

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Mon 11/10

6:00 am-4:19 pm

1 stop9h 19m

Detroit Metropolitan Wayne County

Mon 11/10

7:26 pm-12:59 am

1 stop6h 33m

$139

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 11/7

4:56 pm-12:11 am

1 stop7h 15m

Chicago O'Hare Intl

Sun 11/9

5:01 am-10:12 am

1 stop5h 11m

$141

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Tue 10/14

9:05 pm-11:41 pm

Nonstop1h 36m

Detroit Metropolitan Wayne County

Mon 10/20

6:05 pm-6:32 pm

Nonstop1h 27m

$157

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Sat 10/4

11:12 am-7:40 pm

1 stop7h 28m

Detroit Metropolitan Wayne County

Wed 10/8

10:49 am-5:13 pm

1 stop7h 24m

$161

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Sat 10/18

2:25 pm-4:51 pm

Nonstop1h 26m

Detroit Metropolitan Wayne County

Sat 10/25

6:05 pm-6:32 pm

Nonstop1h 27m

$171

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Tue 11/4

7:43 pm-3:09 pm

2 stops18h 26m

Detroit Metropolitan Wayne County

Tue 11/11

9:25 am-7:16 pm

1 stop10h 51m

$209

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 Michigan from

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

What is the cheapest month to fly to Michigan?

If you aren’t able to travel to Michigan 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 $151.

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 $321. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $578. 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 $305. In the afternoon is when there is more demand to fly to Michigan, so prices are often more expensive at around $688 per ticket.

What is the cheapest Illinois to Michigan flight route?

Fly from Chicago Midway 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 $246 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 $67 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

$45

Fastest flight time

0h 52m

Direct flights

Every day

Airports in Michigan

5 airports
The best one-way flight to Michigan from Illinois in the past 72 hours is $45. The best round-trip flight deal from Illinois to Michigan found on momondo in the last 72 hours is $97.
The fastest flight from Illinois to Michigan takes 0h 52m
Direct flights go from Illinois to Michigan every day.
There are 5 airports near Michigan: Chicago O'Hare Intl (ORD), Traverse City Cherry Capital (TVC), Chicago Midway (MDW), Grand Rapids Gerald R. Ford Intl (GRR), Detroit Metropolitan Wayne County (DTW)
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  • 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?

  • 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?

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
Spirit AirlinesPriceFrom $37Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights
DeltaPriceFrom $91Free CancellationRating
7.9
7,966 reviews
Search Delta flights
American AirlinesPriceFrom $91Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $99Free CancellationRating
7.4
8,923 reviews
Search United Airlines flights
SouthwestPriceFrom $107Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
FrontierPriceFrom $144Free CancellationRating
5.8
3,166 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.

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