HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Michigan

$32+ Cheap flights from Illinois to Michigan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Michigan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Michigan

Cheapest flights from Illinois to Michigan
Explore the most affordable flight options available from Illinois to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:33 pmORD - GRR
Nonstop1h 01mAmerican Airlines
Wed 1/77:00 amGRR - ORD
Nonstop1h 30mAmerican Airlines
Deal found 12/2$94
This Kiwi.com deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:01 pmORD - DTW
1 stop15h 06mMultiple Airlines
Sun 1/1812:19 pmDTW - ORD
1 stop10h 05mMultiple Airlines
Deal found 11/30$142
This Kiwi.com deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:49 pmMDW - DTW
1 stop6h 11mMultiple Airlines
Sun 1/185:59 pmDTW - MDW
1 stop14h 18mMultiple Airlines
Deal found 11/30$142
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:01 pmORD - DTW
1 stop18h 02mFrontier
Mon 12/1511:44 amDTW - ORD
1 stop13h 13mFrontier
Deal found 12/2$148
This Delta deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:02 pmORD - GRR
1 stop3h 19mDelta
Thu 1/16:20 amGRR - ORD
1 stop3h 41mDelta
Deal found 11/30$157
This Kiwi.com deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:01 pmORD - DTW
1 stop15h 06mMultiple Airlines
Mon 12/155:50 amDTW - ORD
2 stops15h 11mMultiple Airlines
Deal found 12/1$157
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:05 amSTL - MDW
1 stop5h 01mDelta
Thu 1/87:16 pmMDW - STL
1 stop4h 09mDelta
Deal found 12/2$157
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:29 amSTL - ORD
1 stop6h 25mDelta
Wed 12/316:35 amORD - STL
1 stop4h 37mDelta
Deal found 12/2$157
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:01 pmORD - DTW
1 stop15h 06mMultiple Airlines
Thu 12/1111:58 amDTW - ORD
1 stop11h 26mMultiple Airlines
Deal found 12/2$158
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:49 pmMDW - DTW
1 stop16h 18mMultiple Airlines
Thu 12/1111:58 amDTW - MDW
1 stop11h 14mMultiple Airlines
Deal found 12/2$158
This Kiwi.com deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:41 pmORD - DTW
2 stops35h 26mMultiple Airlines
Thu 12/112:28 pmDTW - ORD
1 stop10h 41mMultiple Airlines
Deal found 12/1$159
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:29 amSTL - ORD
1 stop6h 25mDelta
Thu 1/81:55 pmORD - STL
2 stops9h 30mDelta
Deal found 12/2$162

Find flight deals from Illinois to Michigan

Keep the following information in mind while searching for Illinois to Michigan flight deals. Data was last updated December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$71
(Southwest)

One-way from

$32
(Southwest)

Popular in

February

Cheapest in

May

Average price

$256

Good round-trip deal

$138 or less

Good one-way deal

$69 or less
Provider with most accurate pricing for Chicago (CHI)-Detroit (DTT) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Detroit (DTT) flights.
Search Deals
From Illinois to Michigan
Search Deals
One-way flight from Illinois to Michigan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Michigan.
Search Deals
Price to beat on a one-way flight from Illinois to Michigan.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from Illinois to Michigan that are best for you.

Fly from

Illinois

Fly to

Michigan

Route

Depart

Return

Price

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Sat 1/17

5:50 pm-7:00 pm

Nonstop1h 10m

Chicago Midway

Sun 1/18

9:55 am-11:15 am

Nonstop1h 20m

$88

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Wed 1/7

12:37 pm-2:44 pm

Nonstop1h 07m

Grand Rapids Gerald R. Ford Intl

Thu 1/8

7:00 am-7:30 am

Nonstop1h 30m

$91

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 2/18

9:55 am-11:28 am

Nonstop1h 33m

Chicago O'Hare Intl

Sat 2/21

10:54 am-12:25 pm

Nonstop1h 31m

$91

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Wed 1/14

12:37 pm-2:44 pm

Nonstop1h 07m

Grand Rapids Gerald R. Ford Intl

Thu 1/22

6:32 pm-6:55 pm

Nonstop1h 23m

$92

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Wed 12/31

4:33 pm-6:34 pm

Nonstop1h 01m

Grand Rapids Gerald R. Ford Intl

Wed 1/7

7:00 am-7:30 am

Nonstop1h 30m

$94

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Fri 1/30

9:32 pm-11:30 pm

Nonstop0h 58m

Grand Rapids Gerald R. Ford Intl

Sun 2/1

6:32 pm-6:55 pm

Nonstop1h 23m

$118

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Sat 1/17

7:40 am-8:50 am

Nonstop1h 10m

Chicago Midway

Tue 1/20

1:25 pm-6:55 pm

1 stop5h 30m

$121

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Thu 1/29

9:09 pm-11:44 pm

Nonstop1h 35m

Detroit Metropolitan Wayne County

Mon 2/2

5:50 pm-6:33 pm

Nonstop1h 43m

$151

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Tue 2/17

9:46 pm-11:53 pm

Nonstop1h 07m

Grand Rapids Gerald R. Ford Intl

Sat 2/21

6:46 pm-6:55 pm

Nonstop1h 09m

$151

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 2/17

7:41 am-9:10 am

Nonstop1h 29m

Chicago O'Hare Intl

Wed 2/18

9:33 pm-10:59 pm

Nonstop1h 26m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Michigan

Have a flexible travel schedule? Discover the best time to fly to Michigan from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Michigan

What is the cheapest month to book a flight from Illinois to Michigan?

Currently, October is the cheapest month in which you can book a flight from Illinois to Michigan (average of $80). Flying from Illinois to Michigan in July is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MI?

Find hourly flight availability from Illinois to Michigan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

One of the essential ways to save on airfare from Illinois to Michigan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 36% on airfare.

What is the cheapest day to fly from Illinois to Michigan?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Michigan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Michigan flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Michigan

Explore weekly flight availability from Illinois to Michigan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 3, 2025.

The most flights from USIL to USMI are scheduled on a Wednesday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

Reviews of airlines servicing Michigan

Get insights into the airlines that provide service to Michigan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Michigan. Reviews last updated December 3, 2025.
Read through reviews of airlines operating flights from Illinois to Michigan, such as Denver Air Connection, Southwest, and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
8.7
Very good

Comfort

8.9

Boarding

8.7

Overall

8.7

Food

8.4

Crew

9.4

Entertainment

8.1
Denver Air Connection
8.7
Very good
Denver Air Connection
8.7
Very good

Comfort

8.9

Boarding

8.7

Overall

8.7

Food

8.4

Crew

9.4

Entertainment

8.1
Southwest
8.0
Very good
4,254 reviews
Denver Air Connection
8.7
Very good

Comfort

8.9

Boarding

8.7

Overall

8.7

Food

8.4

Crew

9.4

Entertainment

8.1
Delta
7.9
Good
8,011 reviews
Denver Air Connection
8.7
Very good

Comfort

8.9

Boarding

8.7

Overall

8.7

Food

8.4

Crew

9.4

Entertainment

8.1
United Airlines
7.4
Good
9,065 reviews
Denver Air Connection
8.7
Very good

Comfort

8.9

Boarding

8.7

Overall

8.7

Food

8.4

Crew

9.4

Entertainment

8.1
American Airlines
7.2
Good
11,044 reviews
Denver Air Connection
8.7
Very good

Comfort

8.9

Boarding

8.7

Overall

8.7

Food

8.4

Crew

9.4

Entertainment

8.1

Related info for your journey

Find useful and relevant information for your journey from Illinois to Michigan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Michigan?

    For as low as $91, Southwest can have you in Michigan from Illinois in 1h 07m. The distance between Illinois and Michigan is about 136 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Illinois to Michigan one-way?

    One-way options have recently been found by users for as low as $38 on Southwest. Other airlines that offer cheap prices include Contour from $43 and American Airlines from $45 one-way.

  • Can I find deals for flights from Illinois to Michigan that include hotel bookings?

    Yes. In addition to deals on Illinois to Michigan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Michigan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Michigan.

  • Can I find deals for business class flights from Illinois to Michigan?

    Yes. Cheapflights offers flight deals from Illinois to Michigan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Michigan?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Michigan (average of $80). Flying from Illinois to Michigan in July is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Michigan

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Fort Lauderdale flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
Los Angeles to John F Kennedy Intl flights
Newark to Miami flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to West Palm Beach flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Orlando flights
Los Angeles to Newark flights
Dallas/Fort Worth to Newark flights
LaGuardia to Dallas/Fort Worth flights
Newark to Los Angeles flights
Newark to Dallas/Fort Worth flights
Newark to Las Vegas flights
Newark to Orlando flights
Seattle to Los Angeles flights
O'Hare Intl to John F Kennedy Intl flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Seattle flights
Los Angeles to LaGuardia flights
O'Hare Intl to Las Vegas flights
LaGuardia to Orlando flights
San Francisco to Newark flights
Los Angeles to Honolulu flights
O'Hare Intl to Dallas/Fort Worth flights
Dallas/Fort Worth to Las Vegas flights
Los Angeles to Dallas/Fort Worth flights
Dallas/Fort Worth to Los Angeles flights
Newark to Hobby flights
Seattle to Dallas/Fort Worth flights
San Francisco to Ontario flights
John F Kennedy Intl to O'Hare Intl flights
Dallas/Fort Worth to Seattle flights
Reagan-National to Miami flights
Atlanta to LaGuardia flights
Miami to John F Kennedy Intl flights
Baltimore to Dallas/Fort Worth flights
Minneapolis to Sky Harbor Intl flights
San Francisco to Las Vegas flights
LaGuardia to Los Angeles flights
Hobby to Newark flights
Dallas/Fort Worth to Orlando flights

Top 6 airlines flying from Illinois to Michigan

Discover the top 6 airlines that operate flights from Illinois to Michigan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$91Average$259FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$91Average$295FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$97Average$322FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$97Average$257FlexibilityNo cancel feeOn-time63%
Denver Air ConnectionCheapest$111Average$152FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$144Average$178FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.