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Cheap flights from Detroit to Illinois from $46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Illinois departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Delta Logo
7:45 am - 8:05 amDTW-ORD
1h 20mnonstop
Delta Logo
9:10 am - 11:33 amORD-DTW
1h 23mnonstop
$92Delta
Find Deal
Thu, Sep 11 - Mon, Sep 15
Southwest Logo
6:05 am - 11:20 amDTW-MDW
6h 15m2 stops
Southwest Logo
8:40 pm - 10:50 pmMDW-DTW
1h 10mnonstop
$92Southwest
Find Deal
Thu, Sep 11 - Mon, Sep 15
Southwest Logo
5:50 am - 11:50 amDTW-ORD
7h 00m1 stop
Southwest Logo
1:50 pm - 10:15 pmORD-DTW
7h 25m1 stop
$97Southwest
Find Deal
Tue, Sep 16 - Wed, Sep 17
Delta Logo
7:45 am - 8:04 amDTW-ORD
1h 19mnonstop
Delta Logo
10:35 am - 1:02 pmORD-DTW
1h 27mnonstop
$104Delta
Find Deal
Wed, Sep 10 - Sat, Sep 20
United Airlines Logo
7:00 am - 7:27 amDTW-ORD
1h 27mnonstop
United Airlines Logo
8:01 pm - 10:28 pmORD-DTW
1h 27mnonstop
$114United Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 28
Spirit Airlines Logo
7:05 am - 1:09 pmDTW-ORD
7h 04m1 stop
Spirit Airlines Logo
11:13 am - 6:55 pmORD-DTW
6h 42m1 stop
$130Spirit Airlines
Find Deal
Wed, Sep 17 - Thu, Sep 18
United Airlines Logo
2:10 pm - 2:37 pmDTW-ORD
1h 27mnonstop
United Airlines Logo
7:55 pm - 10:22 pmORD-DTW
1h 27mnonstop
$132United Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
Spirit Airlines Logo
9:10 am - 6:14 pmDTW-ORD
10h 04m1 stop
Spirit Airlines Logo
7:09 pm - 12:56 pmORD-DTW
16h 47m1 stop
$136Spirit Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
American Airlines Logo
12:24 pm - 8:32 pmDTW-STL
9h 08m1 stop
American Airlines Logo
6:10 am - 6:47 pmSTL-DTW
11h 37m1 stop
$171American Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
American Airlines Logo
6:00 am - 10:43 amDTW-ORD
5h 43m1 stop
American Airlines Logo
7:19 pm - 9:48 pmORD-DTW
1h 29mnonstop
$171American Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 17

Spirit Airlines flights from Detroit to Illinois

Our best Spirit Airlines deals on Detroit to Illinois flight tickets
Spirit Airlines
Sep 17
DTW7:05 amDetroit Metropolitan Wayne County
7h 04m
1 stop
ORD1:09 pmChicago O'Hare Intl
Sep 18
ORD11:13 amChicago O'Hare Intl
6h 42m
1 stop
DTW6:55 pmDetroit Metropolitan Wayne County
$130
Find similar
Spirit Airlines
Sep 13
DTW9:10 amDetroit Metropolitan Wayne County
10h 04m
1 stop
ORD6:14 pmChicago O'Hare Intl
Sep 16
ORD7:09 pmChicago O'Hare Intl
16h 47m
1 stop
DTW12:56 pmDetroit Metropolitan Wayne County
$136
Find similar
Spirit Airlines
Sep 11
DTW10:41 amDetroit Metropolitan Wayne County
7h 10m
1 stop
ORD4:51 pmChicago O'Hare Intl
Sep 15
ORD11:13 amChicago O'Hare Intl
6h 42m
1 stop
DTW6:55 pmDetroit Metropolitan Wayne County
$139
Find similar

Delta flights from Detroit to Illinois

Our best Delta deals on Detroit to Illinois flight tickets
Delta
Sep 11
DTW7:45 amDetroit Metropolitan Wayne County
1h 20m
ORD8:05 amChicago O'Hare Intl
Sep 15
ORD9:10 amChicago O'Hare Intl
1h 23m
DTW11:33 amDetroit Metropolitan Wayne County
$92
Find similar
Delta
Sep 10
DTW7:45 amDetroit Metropolitan Wayne County
1h 19m
ORD8:04 amChicago O'Hare Intl
Sep 20
ORD10:35 amChicago O'Hare Intl
1h 27m
DTW1:02 pmDetroit Metropolitan Wayne County
$104
Find similar
Delta
Sep 11
DTW7:45 amDetroit Metropolitan Wayne County
1h 20m
ORD8:05 amChicago O'Hare Intl
Sep 15
ORD11:05 amChicago O'Hare Intl
1h 22m
DTW1:27 pmDetroit Metropolitan Wayne County
$117
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Detroit 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Detroit to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Thu 9/11

7:45 am-8:05 am

Nonstop1h 20m

Chicago O'Hare Intl

Mon 9/15

9:10 am-11:33 am

Nonstop1h 23m

$92

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Thu 9/11

6:05 am-11:20 am

2 stops6h 15m

Chicago Midway

Mon 9/15

8:40 pm-10:50 pm

Nonstop1h 10m

$92

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Tue 9/16

5:50 am-11:50 am

1 stop7h 00m

Chicago O'Hare Intl

Wed 9/17

1:50 pm-10:15 pm

1 stop7h 25m

$97

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Wed 9/10

7:45 am-8:04 am

Nonstop1h 19m

Chicago O'Hare Intl

Sat 9/20

10:35 am-1:02 pm

Nonstop1h 27m

$104

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 9/20

7:00 am-7:27 am

Nonstop1h 27m

Chicago O'Hare Intl

Sun 9/28

8:01 pm-10:28 pm

Nonstop1h 27m

$114

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Wed 9/17

7:05 am-1:09 pm

1 stop7h 04m

Chicago O'Hare Intl

Thu 9/18

11:13 am-6:55 pm

1 stop6h 42m

$130

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 9/13

2:10 pm-2:37 pm

Nonstop1h 27m

Chicago O'Hare Intl

Tue 9/16

7:55 pm-10:22 pm

Nonstop1h 27m

$132

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 9/13

9:10 am-6:14 pm

1 stop10h 04m

Chicago O'Hare Intl

Tue 9/16

7:09 pm-12:56 pm

1 stop16h 47m

$136

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 10/1

12:24 pm-8:32 pm

1 stop9h 08m

Lambert-St Louis

Sat 10/4

6:10 am-6:47 pm

1 stop11h 37m

$171

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Tue 9/16

6:00 am-10:43 am

1 stop5h 43m

Chicago O'Hare Intl

Wed 9/17

7:19 pm-9:48 pm

Nonstop1h 29m

$171

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Detroit to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Detroit is in October. Flight prices, which tend to average around $105, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $110.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Detroit to Illinois is on a Friday when prices can be found for as low as $514. Flights from Detroit to Illinois on a Monday will generally be more expensive and average around $760. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Detroit to Illinois during this time can be as low as $465. Flights at noon are often more expensive with an average ticket price of $908.

What is the cheapest Detroit to Illinois flight route?

Fly from Detroit Metropolitan Wayne County to Chicago O'Hare Intl for the best Detroit - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Detroit for as low as $134 on momondo.

What cabin class options are available on Detroit to Illinois flights?

There are 4 cabin classes available to choose from on Detroit to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Detroit to Illinois flights?

No. A direct flight is the cheapest option for a flight between Detroit to Illinois.

Cheap Detroit to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Illinois

Best Price Found

$152

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Illinois

2 airports
The best one-way flight to Illinois from Detroit in the past 72 hours is $152. The best round-trip flight deal from Detroit to Illinois found on momondo in the last 72 hours is $244.
The fastest flight from Detroit to Illinois takes 1h 05m
Direct flights go from Detroit to Illinois every day.
There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)
Search flight deals

  • When did momondo last update prices for flights from Detroit to Illinois?

    Prices for flights from Detroit to Illinois were last updated today.

  • How many operators does momondo search for flights from Detroit to Illinois?

  • How old do you have to be to fly from Detroit to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Detroit to Illinois?

Best airlines flying from Detroit to Illinois

Compare and see reviews for airlines that fly from Detroit to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $38Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $91Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
DeltaPriceFrom $97Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $97Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $127Free CancellationRating
8.0
4,245 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Detroit.

Can I find flights from Detroit to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Detroit which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Detroit to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Detroit to Illinois.

I’m not ready to book a flight from Detroit to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Detroit and alert you when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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