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$49+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Illinois to Michigan

Keep the following information in mind while searching for Illinois to Michigan flight deals. Data was last updated April 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(Delta)

One-way from

$49
(United Airlines)

Popular in

February

Cheapest in

October

Average price

$205

Good round-trip deal

$118 or less

Good one-way deal

$39 or less
Provider with most accurate pricing for Chicago (CHI)-Detroit (DTT) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Detroit (DTT) flights.
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From Illinois to Michigan
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One-way flight from Illinois to Michigan
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Highest demand for flights based on searches. 28% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Michigan.
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Price to beat on a one-way flight from Illinois to Michigan.
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Find 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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. 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.
Tue 5/135:15 pmORD - DTW
Nonstop1h 22mDelta
Tue 5/208:00 pmDTW - ORD
Nonstop1h 21mDelta
Deal found 4/17$97
This Delta deal was found by Cheapflights users on 4/17. 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.
Tue 5/136:25 pmMDW - DTW
Nonstop1h 14mDelta
Tue 5/206:30 pmDTW - MDW
Nonstop1h 15mDelta
Deal found 4/17$97
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:05 amMDW - DTW
Nonstop1h 10mSouthwest
Tue 5/136:30 pmDTW - MDW
1 stop5h 40mSouthwest
Deal found 4/16$107
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:35 amSTL - MDW
Nonstop1h 10mSouthwest
Mon 5/127:30 amMDW - STL
1 stop4h 15mSouthwest
Deal found 4/16$107
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:00 amORD - GRR
Nonstop1h 10mUnited Airlines
Thu 5/227:30 amGRR - ORD
Nonstop1h 08mUnited Airlines
Deal found 4/17$115
This Southwest deal was found by Cheapflights users on 4/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:15 amSTL - ORD
1 stop5h 35mSouthwest
Mon 5/124:00 pmORD - STL
1 stop4h 05mSouthwest
Deal found 4/15$117
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:33 amORD - DTW
1 stop10h 09mSpirit Airlines
Fri 5/95:18 pmDTW - ORD
1 stop7h 47mSpirit Airlines
Deal found 4/17$136
This Kissandfly.com deal was found by Cheapflights users on 4/16. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:15 pmSTL - ORD
1 stop14h 25mSouthern / Mokulele
Mon 5/128:25 pmORD - STL
Nonstop1h 27mSouthern / Mokulele
Deal found 4/16$136
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:44 amSTL - DTW
Nonstop1h 37mSpirit Airlines
Sun 8/177:00 amDTW - STL
Nonstop1h 49mSpirit Airlines
Deal found 4/17$138
This Southwest deal was found by Cheapflights users on 4/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/124:00 pmORD - DTW
1 stop4h 40mSouthwest
Tue 5/136:45 amDTW - ORD
1 stop7h 00mSouthwest
Deal found 4/17$147
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:00 amSTL - ORD
Nonstop1h 31mUnited Airlines
Wed 5/211:20 pmORD - STL
Nonstop1h 27mUnited Airlines
Deal found 4/16$150
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:15 pmSTL - ORD
1 stop3h 35mMultiple Airlines
Thu 5/154:15 pmORD - STL
1 stop7h 51mMultiple Airlines
Deal found 4/16$158

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 April 17, 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

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Tue 5/13

9:00 am-11:21 am

Nonstop1h 21m

Detroit Metropolitan Wayne County

Tue 5/13

8:00 pm-8:21 pm

Nonstop1h 21m

$97

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Tue 5/13

6:25 pm-8:39 pm

Nonstop1h 14m

Detroit Metropolitan Wayne County

Wed 5/14

8:25 am-8:40 am

Nonstop1h 15m

$97

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Tue 5/13

4:20 pm-10:40 pm

1 stop5h 20m

Detroit Metropolitan Wayne County

Wed 5/14

7:45 pm-7:55 pm

Nonstop1h 10m

$107

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 5/8

5:35 am-6:45 am

Nonstop1h 10m

Chicago Midway

Mon 5/12

7:30 am-11:45 am

1 stop4h 15m

$107

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Thu 5/15

9:00 am-11:10 am

Nonstop1h 10m

Grand Rapids Gerald R. Ford Intl

Thu 5/22

7:30 am-7:38 am

Nonstop1h 08m

$115

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 5/7

6:15 am-11:50 am

1 stop5h 35m

Chicago O'Hare Intl

Mon 5/12

4:00 pm-8:05 pm

1 stop4h 05m

$117

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Thu 5/8

10:33 am-9:42 pm

1 stop10h 09m

Detroit Metropolitan Wayne County

Fri 5/9

5:18 pm-12:05 am

1 stop7h 47m

$136

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 5/8

5:15 pm-7:40 am

1 stop14h 25m

Chicago O'Hare Intl

Mon 5/12

8:25 pm-9:52 pm

Nonstop1h 27m

$136

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 7/13

8:44 am-11:21 am

Nonstop1h 37m

Detroit Metropolitan Wayne County

Thu 7/17

7:00 am-7:49 am

Nonstop1h 49m

$138

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Mon 5/12

4:00 pm-9:40 pm

1 stop4h 40m

Detroit Metropolitan Wayne County

Tue 5/13

6:45 am-12:45 pm

1 stop7h 00m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Illinois to Michigan (average of $257). Flying from Illinois to Michigan in March is currently the most expensive (average of $305). 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Michigan as you normally would.

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 April 17, 2025.

The most flights from USIL to USMI are scheduled on a Thursday (89 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Michigan by month

Plan your trip to Michigan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Michigan ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Michigan when rainfall is around 1.8 in.

Temperature in Michigan by month

Plan your trip to Michigan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Michigan, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 April 17, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Illinois to Michigan by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 $49 on United Airlines. Other airlines that offer cheap prices include Delta from $49 and Southwest from $49 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, April is the cheapest month in which you can book a flight from Illinois to Michigan (average of $257). Flying from Illinois to Michigan in March is currently the most expensive (average of $305). 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

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Alternative routes for Illinois to Michigan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Michigan

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$69FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$97Average$348FlexibilityNo cancel feeOn-time71%
DeltaCheapest$99Average$356FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$118Average$257FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$127Average$375FlexibilityNo cancel feeOn-time69%

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