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Illinois

$63+ Cheap flights from Michigan to Illinois

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ORD
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Michigan to Illinois

Keep the following information in mind while searching for Michigan to Illinois flight deals. Data was last updated January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$128
(Frontier)

One-way from

$63
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$242

Good round-trip deal

$98 or less

Good one-way deal

$48 or less
Provider with most accurate pricing for Detroit (DTT)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Chicago (CHI) flights.
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From Michigan to Illinois
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One-way flight from Michigan to Illinois
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Highest demand for flights based on searches. 23% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Michigan to Illinois.
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Price to beat on a one-way flight from Michigan to Illinois.
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Find flight deals from Michigan to Illinois

Cheapest flights from Michigan to Illinois
Explore the most affordable flight options available from Michigan to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This Frontier deal was found by Cheapflights users on 1/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 am
DTW
-
STL
1 stop8h 23m
Frontier
Wed 2/258:17 pm
STL
-
DTW
1 stop10h 50m
Frontier
Deal found 1/13$128
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Sat 2/72:06 pm
DTW
-
ORD
1 stop9h 36m
Multiple Airlines
Mon 2/912:05 pm
ORD
-
DTW
1 stop11h 14m
Multiple Airlines
Deal found 1/10$129
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:07 pm
DTW
-
ORD
1 stop12h 05m
Spirit Airlines
Wed 2/45:53 pm
ORD
-
DTW
1 stop12h 48m
Spirit Airlines
Deal found 1/13$130
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Sat 2/282:35 pm
DTW
-
MDW
1 stop8h 04m
Multiple Airlines
Wed 3/47:15 am
MDW
-
DTW
1 stop7h 42m
Multiple Airlines
Deal found 1/13$132
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/410:08 pm
DTW
-
ORD
1 stop12h 04m
Spirit Airlines
Fri 2/64:38 pm
ORD
-
DTW
1 stop14h 18m
Spirit Airlines
Deal found 1/13$133
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/2010:29 pm
DTW
-
STL
1 stop9h 22m
Frontier
Wed 2/254:51 pm
STL
-
DTW
1 stop30h 04m
Frontier
Deal found 1/13$134
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/2010:29 pm
DTW
-
STL
1 stop9h 22m
Multiple Airlines
Mon 2/238:22 pm
STL
-
DTW
1 stop16h 08m
Multiple Airlines
Deal found 1/13$135
This Mytrip deal was found by Cheapflights users on 1/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/610:07 pm
DTW
-
ORD
1 stop12h 05m
Spirit Airlines
Sat 2/74:38 pm
ORD
-
DTW
1 stop6h 41m
Spirit Airlines
Deal found 1/10$137
This Kiwi.com deal was found by Cheapflights users on 1/11. 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.
Thu 2/59:18 am
DTW
-
ORD
1 stop10h 11m
Multiple Airlines
Fri 2/64:38 pm
ORD
-
DTW
1 stop14h 03m
Multiple Airlines
Deal found 1/11$138
This Frontier deal was found by Cheapflights users on 1/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:25 pm
DTW
-
STL
1 stop6h 34m
Frontier
Wed 2/258:17 pm
STL
-
DTW
1 stop10h 50m
Frontier
Deal found 1/12$139
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Mon 2/92:06 pm
DTW
-
ORD
1 stop9h 36m
Multiple Airlines
Mon 2/166:40 am
ORD
-
DTW
1 stop24h 01m
Multiple Airlines
Deal found 1/12$139
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Sat 2/75:00 am
DTW
-
ORD
1 stop18h 42m
Spirit Airlines
Tue 2/105:53 pm
ORD
-
DTW
1 stop12h 48m
Spirit Airlines
Deal found 1/13$140

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Michigan to Illinois that are best for you.

Fly from

Michigan

Fly to

Illinois

Route

Depart

Return

Price

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Sat 2/28

2:35 pm-9:39 pm

1 stop8h 04m

Chicago Midway

Wed 3/4

7:15 am-3:57 pm

1 stop7h 42m

$132

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Sun 3/1

10:59 pm-7:47 pm

2 stops21h 48m

Chicago Midway

Wed 3/4

7:15 am-3:57 pm

1 stop7h 42m

$153

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 2/7

3:55 pm-5:10 pm

Nonstop1h 15m

Lambert-St Louis

Mon 2/9

8:30 pm-9:40 pm

Nonstop1h 10m

$157

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Thu 2/12

12:55 pm-1:20 pm

Nonstop1h 25m

Chicago Midway

Mon 2/16

4:10 pm-6:15 pm

Nonstop1h 05m

$157

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Sat 2/7

6:00 pm-6:40 pm

Nonstop1h 40m

Chicago Midway

Mon 2/9

1:25 pm-3:30 pm

Nonstop1h 05m

$157

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 2/28

6:10 pm-6:40 pm

Nonstop1h 30m

Chicago O'Hare Intl

Wed 3/4

12:50 pm-3:25 pm

Nonstop1h 35m

$162

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Tue 2/10

6:50 am-7:15 am

Nonstop1h 25m

Chicago Midway

Tue 2/17

9:45 am-11:55 am

Nonstop1h 10m

$162

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Wed 2/11

6:30 pm-6:45 pm

Nonstop1h 15m

Chicago Midway

Wed 2/18

5:15 pm-10:30 pm

1 stop4h 15m

$163

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 2/18

1:40 pm-6:50 pm

1 stop5h 10m

Lambert-St Louis

Sat 2/21

2:40 pm-3:45 pm

Nonstop1h 05m

$167

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Mon 1/26

1:00 pm-11:33 pm

1 stop10h 33m

Lambert-St Louis

Fri 1/30

11:18 am-7:52 pm

1 stop8h 34m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 60 results
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Best time to book a flight from Michigan to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Michigan 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 Michigan to Illinois

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

Currently, November is the cheapest month in which you can book a flight from Michigan to Illinois (average of $53). Flying from Michigan to Illinois in February 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 MI to IL?

Find hourly flight availability from Michigan to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 14, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 17% on flights from Michigan to Illinois by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Michigan to Illinois. Price data was last updated on January 10, 2026.

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

Weekly flight availability from Michigan to Illinois

Explore weekly flight availability from Michigan to Illinois. 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 January 14, 2026.

The most flights from USMI to USIL are scheduled on a Monday (69 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated January 14, 2026.
See what other customers who have flown with Denver Air Connection, Southwest, and Delta from Michigan to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
8.7
Very good

Entertainment

8.1

Food

8.4

Overall

8.7

Comfort

8.9

Boarding

8.7

Crew

9.4
Denver Air Connection
8.7
Very good
Denver Air Connection
8.7
Very good

Entertainment

8.1

Food

8.4

Overall

8.7

Comfort

8.9

Boarding

8.7

Crew

9.4
Southwest
8.0
Very good
4,258 reviews
Denver Air Connection
8.7
Very good

Entertainment

8.1

Food

8.4

Overall

8.7

Comfort

8.9

Boarding

8.7

Crew

9.4
Delta
7.9
Good
8,040 reviews
Denver Air Connection
8.7
Very good

Entertainment

8.1

Food

8.4

Overall

8.7

Comfort

8.9

Boarding

8.7

Crew

9.4
United Airlines
7.4
Good
9,157 reviews
Denver Air Connection
8.7
Very good

Entertainment

8.1

Food

8.4

Overall

8.7

Comfort

8.9

Boarding

8.7

Crew

9.4
American Airlines
7.2
Good
11,122 reviews
Denver Air Connection
8.7
Very good

Entertainment

8.1

Food

8.4

Overall

8.7

Comfort

8.9

Boarding

8.7

Crew

9.4

Related info for your journey

Find useful and relevant information for your journey from Michigan to Illinois. 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 Michigan to Illinois?

    There are many flights that can get you from Michigan to Illinois in 1h 15m. Fly via Southwest, United Airlines, or Spirit Airlines to get the fastest option. The distance between Michigan and Illinois is about 251 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Contour, which is currently one of the cheapest options available, starting at $33. Southwest flights start at $38 while deals on American Airlines start at $45 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Michigan to Illinois 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 Michigan to Illinois?

    Currently, November is the cheapest month in which you can book a flight from Michigan to Illinois (average of $53). Flying from Michigan to Illinois in February 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

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Alternative routes for Michigan to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Michigan to Illinois

Discover the top 4 airlines that operate flights from Michigan to Illinois. 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$91Average$280FlexibilityNo cancel feeOn-time71%
DeltaCheapest$97Average$285FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$97Average$321FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$97Average$275FlexibilityNo cancel feeOn-time63%

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