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$58+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTW
May 5 — May 121
Mon 5/5
Mon 5/12
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 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$118
(FlightHub)

One-way from

$58
(CheapOair)

Popular in

February

Cheapest in

October

Average price

$264

Good round-trip deal

$114 or less

Good one-way deal

$65 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. 26% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($14 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 30, 2025.

This FlightHub deal was found by Cheapflights users on 4/29. 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 10/178:44 amSTL - DTW
Nonstop1h 37mSpirit Airlines
Mon 10/207:00 amDTW - STL
Nonstop1h 49mSpirit Airlines
Deal found 4/29$98
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/265:15 pmSTL - ORD
1 stop14h 25mSouthern / Mokulele
Mon 6/28:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 4/27$125
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Thu 5/2210:00 amORD - DTW
1 stop12h 20mSpirit Airlines
Wed 6/49:09 pmDTW - ORD
1 stop12h 46mSpirit Airlines
Deal found 4/29$139
This Southwest deal was found by Cheapflights users on 4/29. 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 7/78:35 pmSTL - DTW
Nonstop1h 30mSouthwest
Wed 7/97:00 amDTW - STL
Nonstop1h 35mSouthwest
Deal found 4/29$160
This Frontier deal was found by Cheapflights users on 4/29. 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.
Tue 5/272:44 pmMDW - DTW
1 stop9h 00mFrontier
Tue 6/34:06 pmDTW - MDW
1 stop7h 38mFrontier
Deal found 4/29$162
This Frontier deal was found by Cheapflights users on 4/28. 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 5/285:45 pmSTL - ORD
1 stop6h 35mFrontier
Wed 6/45:03 pmORD - STL
1 stop6h 34mFrontier
Deal found 4/28$162
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sat 6/147:00 amORD - DTW
1 stop8h 56mFrontier
Sat 6/217:15 amDTW - ORD
1 stop17h 44mFrontier
Deal found 4/29$163
This CheapOair deal was found by Cheapflights users on 4/28. 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.
Sat 6/212:52 pmSTL - MDW
1 stop7h 36mFrontier
Sat 7/196:20 amMDW - STL
1 stop7h 39mFrontier
Deal found 4/28$163
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:47 pmSTL - DTW
1 stop17h 35mMultiple Airlines
Sun 6/224:33 pmDTW - STL
Nonstop1h 31mMultiple Airlines
Deal found 4/29$172
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 5/247:10 amORD - DTW
Nonstop1h 19mDelta
Sun 5/254:05 pmDTW - ORD
Nonstop1h 25mDelta
Deal found 4/29$179
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/298:05 amORD - TVC
Nonstop1h 09mAmerican Airlines
Thu 6/52:43 pmTVC - ORD
Nonstop1h 19mAmerican Airlines
Deal found 4/29$179
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/244:55 pmORD - FNT
Nonstop1h 08mAmerican Airlines
Sun 5/258:40 amFNT - ORD
Nonstop1h 27mAmerican Airlines
Deal found 4/29$179

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 30, 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. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 6/13

6:12 pm-8:40 pm

Nonstop1h 28m

Detroit Metropolitan Wayne County

Sun 6/15

4:33 pm-5:04 pm

Nonstop1h 31m

$118

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 5/26

5:15 pm-7:40 am

1 stop14h 25m

Chicago O'Hare Intl

Mon 6/2

8:25 am-8:10 pm

1 stop11h 45m

$125

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Thu 5/22

10:00 am-11:20 pm

1 stop12h 20m

Detroit Metropolitan Wayne County

Wed 6/4

9:09 pm-8:55 am

1 stop12h 46m

$139

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 7/7

8:35 pm-11:05 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Wed 7/9

7:00 am-7:35 am

Nonstop1h 35m

$160

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Tue 5/27

2:44 pm-12:44 am

1 stop9h 00m

Detroit Metropolitan Wayne County

Tue 6/3

4:06 pm-10:44 pm

1 stop7h 38m

$162

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 5/28

5:45 pm-12:20 am

1 stop6h 35m

Chicago O'Hare Intl

Wed 6/4

5:03 pm-11:37 pm

1 stop6h 34m

$162

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Sat 6/14

7:00 am-4:56 pm

1 stop8h 56m

Detroit Metropolitan Wayne County

Sat 6/21

7:15 am-11:59 pm

1 stop17h 44m

$163

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Sat 6/21

2:52 pm-10:28 pm

1 stop7h 36m

Chicago Midway

Sat 7/19

6:20 am-1:59 pm

1 stop7h 39m

$163

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 6/18

5:47 pm-12:22 pm

1 stop17h 35m

Detroit Metropolitan Wayne County

Sun 6/22

4:33 pm-5:04 pm

Nonstop1h 31m

$172

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Sat 5/24

7:10 am-9:29 am

Nonstop1h 19m

Detroit Metropolitan Wayne County

Sun 5/25

4:05 pm-4:30 pm

Nonstop1h 25m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 30, 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 30, 2025.

The most flights from USIL to USMI are scheduled on a Tuesday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 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 30, 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
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Avelo Airlines
7.5
Good
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $58 on Spirit Airlines. Other airlines that offer cheap prices include Southern / Mokulele from $76 and Frontier from $81 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$69FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$97Average$349FlexibilityNo cancel feeOn-time71%
DeltaCheapest$104Average$360FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$379FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$118Average$257FlexibilityNo cancel feeOn-time63%

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