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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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
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 March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(American Airlines)

One-way from

$49
(American Airlines)

Popular in

February

Cheapest in

October

Average price

$213

Good round-trip deal

$137 or less

Good one-way deal

$68 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. 27% potential increase in price ($86 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 March 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 March 5, 2025.

This American Airlines deal was found by Cheapflights users on 3/4. 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.
Thu 4/1710:05 pmORD - GRR
Nonstop0h 57mAmerican Airlines
Thu 4/2411:02 amGRR - ORD
Nonstop1h 08mAmerican Airlines
Deal found 3/4$97
This CheapOair deal was found by Cheapflights users on 3/4. 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.
Tue 4/16:25 pmORD - DTW
1 stop13h 00mSpirit Airlines
Wed 4/910:07 pmDTW - ORD
1 stop9h 26mSpirit Airlines
Deal found 3/4$116
This Southwest deal was found by Cheapflights users on 3/5. 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 3/254:00 pmORD - DTW
1 stop5h 45mSouthwest
Wed 3/266:25 amDTW - ORD
1 stop7h 20mSouthwest
Deal found 3/5$117
This Southwest deal was found by Cheapflights users on 3/5. 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 4/15:40 amMDW - DTW
1 stop6h 10mSouthwest
Tue 4/17:50 pmDTW - MDW
1 stop3h 55mSouthwest
Deal found 3/5$117
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Sat 4/197:30 amORD - DTW
Nonstop1h 33mAmerican Airlines
Sat 4/263:41 pmDTW - ORD
Nonstop1h 33mAmerican Airlines
Deal found 3/5$122
This Southwest deal was found by Cheapflights users on 3/5. 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 4/21:15 pmSTL - ORD
2 stops8h 45mSouthwest
Thu 4/35:45 pmORD - STL
1 stop6h 50mSouthwest
Deal found 3/5$122
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Fri 4/1810:17 amSTL - ORD
Nonstop1h 21mAmerican Airlines
Fri 4/2510:09 pmORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 3/4$126
This Delta deal was found by Cheapflights users on 3/4. 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.
Fri 4/189:30 amORD - DTW
Nonstop1h 14mDelta
Fri 4/257:35 amDTW - ORD
Nonstop1h 20mDelta
Deal found 3/4$127
This Delta deal was found by Cheapflights users on 3/3. 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.
Fri 4/183:02 pmMDW - DTW
Nonstop1h 08mDelta
Fri 4/256:05 pmDTW - MDW
Nonstop1h 15mDelta
Deal found 3/3$127
This Southwest deal was found by Cheapflights users on 3/3. 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 3/178:35 pmSTL - MDW
Nonstop1h 10mSouthwest
Tue 3/186:10 amMDW - STL
Nonstop1h 15mSouthwest
Deal found 3/3$127
This Flightnetwork deal was found by Cheapflights users on 3/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/275:15 pmSTL - ORD
1 stop14h 25mSouthern / Mokulele
Mon 3/318:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 3/4$140
This Frontier deal was found by Cheapflights users on 3/5. 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 4/21:05 pmMDW - DTW
1 stop6h 35mFrontier
Wed 4/96:05 amDTW - MDW
1 stop15h 17mFrontier
Deal found 3/5$150

Find flights from Illinois to Michigan within your budget

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 March 5, 2025.

Fly from

Illinois

Fly to

Michigan

Route

Depart

Return

Price

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Thu 4/17

10:05 pm-12:02 am

Nonstop0h 57m

Grand Rapids Gerald R. Ford Intl

Thu 4/24

11:02 am-11:10 am

Nonstop1h 08m

$97

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Tue 4/1

6:25 pm-8:25 am

1 stop13h 00m

Detroit Metropolitan Wayne County

Wed 4/9

10:07 pm-6:33 am

1 stop9h 26m

$116

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Tue 3/25

4:00 pm-10:45 pm

1 stop5h 45m

Detroit Metropolitan Wayne County

Wed 3/26

6:25 am-12:45 pm

1 stop7h 20m

$117

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Tue 4/1

5:40 am-12:50 pm

1 stop6h 10m

Detroit Metropolitan Wayne County

Tue 4/1

7:50 pm-10:45 pm

1 stop3h 55m

$117

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Sat 4/19

7:30 am-10:03 am

Nonstop1h 33m

Detroit Metropolitan Wayne County

Sat 4/26

3:41 pm-4:14 pm

Nonstop1h 33m

$122

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 4/2

1:15 pm-10:00 pm

2 stops8h 45m

Chicago O'Hare Intl

Thu 4/3

5:45 pm-12:35 am

1 stop6h 50m

$122

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 4/18

10:17 am-11:38 am

Nonstop1h 21m

Chicago O'Hare Intl

Fri 4/25

10:09 pm-11:33 pm

Nonstop1h 24m

$126

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Fri 4/18

9:30 am-11:44 am

Nonstop1h 14m

Detroit Metropolitan Wayne County

Fri 4/25

7:35 am-7:55 am

Nonstop1h 20m

$127

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Fri 4/18

3:02 pm-5:10 pm

Nonstop1h 08m

Detroit Metropolitan Wayne County

Fri 4/25

6:05 pm-6:20 pm

Nonstop1h 15m

$127

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Mon 3/17

8:35 pm-9:45 pm

Nonstop1h 10m

Chicago Midway

Tue 3/18

6:10 am-7:25 am

Nonstop1h 15m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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.

Travel insights for flights from Illinois to Michigan

Get recent, data-driven insights about flights from Illinois to Michigan including ideal travel times, pricing trends, and more.

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 March 5, 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.

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 March 5, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,321 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,321 reviews
Southwest
8.1
Very good
4,321 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,711 reviews
Southwest
8.1
Very good
4,321 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,044 reviews
Southwest
8.1
Very good
4,321 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,655 reviews
Southwest
8.1
Very good
4,321 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue
7.3
Good
2,998 reviews
Southwest
8.1
Very good
4,321 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 American Airlines. Other airlines that offer cheap prices include Southwest from $59 and Delta from $64 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 March 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$69FlexibilityNo cancel feeOn-time65%
DeltaCheapest$97Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$97Average$363FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$118Average$257FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$127Average$382FlexibilityNo cancel feeOn-time69%
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