What is the cheapest airline that flies from Detroit to Illinois?

Delta, Southwest, and American Airlines are the most popular carriers operating from Detroit to Illinois

What airlines fly to Illinois?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Illinois from Detroit according to our data. Delta is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Detroit to Illinois on average per day?

As of April 2026, 77 flights take off from Detroit and land in Illinois each day. The most common flight departure time for this route is 5:00PM, with 50% of daily flights taking off in the afternoon.

How many flights depart from Detroit to Illinois on average per week?

The number of flights available between Detroit and Illinois is 545 per week as of April 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.

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?

There are 6 operators available for flights from Detroit to Illinois as of April 2026.

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.

$59 Cheap Flights from Detroit to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Detroit to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 pm - 5:30 pm

DTW

STL

24h 25m

1 stop

6:33 pm - 4:40 pm

STL

DTW

21h 07m

1 stop

$126Frontier

Mon, Jun 8 - Tue, Jun 16

6:05 pm - 5:33 pm

DTW

STL

24h 28m

1 stop

5:27 pm - 12:39 am

STL

DTW

6h 12m

1 stop

$129Frontier

Mon, Jun 1 - Sat, Jun 6

7:00 am - 11:35 am

DTW

MDW

5h 35m

1 stop

4:40 pm - 9:15 pm

MDW

DTW

3h 35m

1 stop

$137Southwest

Wed, May 13 - Wed, May 13

6:10 am - 3:45 pm

DTW

MDW

10h 35m

2 stops

5:00 pm - 10:30 pm

MDW

DTW

4h 30m

1 stop

$148Southwest

Tue, Apr 21 - Tue, Apr 28

8:15 am - 8:45 am

DTW

ORD

1h 30mnonstop

9:25 am - 11:45 am

ORD

DTW

1h 20mnonstop

$154Delta

Sat, May 16 - Wed, May 20

5:40 pm - 5:58 pm

DTW

MDW

1h 18mnonstop

1:24 pm - 3:39 pm

MDW

DTW

1h 15mnonstop

$154Delta

Tue, Apr 28 - Thu, Apr 30

7:15 am - 10:04 am

DTW

PIA

3h 49m

1 stop

2:50 pm - 10:13 pm

PIA

DTW

6h 23m

1 stop

$291United Airlines

Tue, May 12 - Wed, May 13

7:15 am - 10:04 am

DTW

PIA

3h 49m

1 stop

2:50 pm - 11:44 pm

PIA

DTW

7h 54m

2 stops

$296United Airlines

Tue, May 12 - Wed, May 13

5:32 pm - 9:35 pm

DTW

CMI

5h 03m

1 stop

2:38 pm - 9:14 pm

CMI

DTW

5h 36m

1 stop

$298American Airlines

Sat, Apr 25 - Mon, Apr 27

11:40 am - 3:51 pm

DTW

MLI

5h 11m

1 stop

11:33 am - 6:19 pm

MLI

DTW

5h 46m

1 stop

$309American Airlines

Mon, Aug 24 - Sat, Sep 5

Delta flights from Detroit to Illinois

Our best Delta deals on Detroit to Illinois flight tickets

Delta

May 16

DTW8:15 amDetroit Metropolitan Wayne County

1h 30m

ORD8:45 amChicago O'Hare Intl

May 20

ORD9:25 amChicago O'Hare Intl

1h 20m

DTW11:45 amDetroit Metropolitan Wayne County

$154

Delta

Jun 30

DTW12:35 pmDetroit Metropolitan Wayne County

1h 29m

ORD1:04 pmChicago O'Hare Intl

Jul 7

ORD7:01 amChicago O'Hare Intl

1h 27m

DTW9:28 amDetroit Metropolitan Wayne County

$186

Delta

Jun 9

DTW8:50 amDetroit Metropolitan Wayne County

1h 42m

STL9:32 amLambert-St Louis

Jun 16

STL6:30 amLambert-St Louis

1h 34m

DTW9:04 amDetroit Metropolitan Wayne County

$187

Southwest flights from Detroit to Illinois

Our best Southwest deals on Detroit to Illinois flight tickets

Southwest

May 13

DTW7:00 amDetroit Metropolitan Wayne County

5h 35m

1 stop

MDW11:35 amChicago Midway

May 13

MDW4:40 pmChicago Midway

3h 35m

1 stop

DTW9:15 pmDetroit Metropolitan Wayne County

$137

Southwest

Apr 21

DTW6:10 amDetroit Metropolitan Wayne County

10h 35m

2 stops

MDW3:45 pmChicago Midway

Apr 28

MDW5:00 pmChicago Midway

4h 30m

1 stop

DTW10:30 pmDetroit Metropolitan Wayne County

$148

Southwest

May 16

DTW3:40 pmDetroit Metropolitan Wayne County

5h 25m

1 stop

MDW8:05 pmChicago Midway

May 20

MDW7:40 amChicago Midway

1h 05m

DTW9:45 amDetroit Metropolitan Wayne County

$164

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 6/8

6:05 pm-5:30 pm

1 stop24h 25m

Lambert-St Louis

Tue 6/16

6:33 pm-4:40 pm

1 stop21h 07m

$126

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 6/1

6:05 pm-5:33 pm

1 stop24h 28m

Lambert-St Louis

Sat 6/6

5:27 pm-12:39 am

1 stop6h 12m

$129

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Wed 5/13

7:00 am-11:35 am

1 stop5h 35m

Chicago Midway

Wed 5/13

4:40 pm-9:15 pm

1 stop3h 35m

$137

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Tue 4/21

6:10 am-3:45 pm

2 stops10h 35m

Chicago Midway

Tue 4/28

5:00 pm-10:30 pm

1 stop4h 30m

$148

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 5/16

8:15 am-8:45 am

Nonstop1h 30m

Chicago O'Hare Intl

Wed 5/20

9:25 am-11:45 am

Nonstop1h 20m

$154

Quickest round-trip

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Tue 4/28

5:40 pm-5:58 pm

Nonstop1h 18m

Chicago Midway

Thu 4/30

1:24 pm-3:39 pm

Nonstop1h 15m

$154

DetroitPeoria

DTW - PIA

DTWPIA

Detroit Metropolitan Wayne County

Tue 5/12

7:15 am-10:04 am

1 stop3h 49m

Greater Peoria

Wed 5/13

2:50 pm-10:13 pm

1 stop6h 23m

$291

DetroitPeoria

DTW - PIA

DTWPIA

Detroit Metropolitan Wayne County

Tue 5/12

7:15 am-10:04 am

1 stop3h 49m

Greater Peoria

Wed 5/13

2:50 pm-11:44 pm

2 stops7h 54m

$296

DetroitChampaign

DTW - CMI

DTWCMI

Detroit Metropolitan Wayne County

Sat 4/25

5:32 pm-9:35 pm

1 stop5h 03m

Champaign University-Willard

Mon 4/27

2:38 pm-9:14 pm

1 stop5h 36m

$298

DetroitMoline

DTW - MLI

DTWMLI

Detroit Metropolitan Wayne County

Mon 8/24

11:40 am-3:51 pm

1 stop5h 11m

Moline Quad-City

Sat 9/5

11:33 am-6:19 pm

1 stop5h 46m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Detroit is in September. Flight prices, which tend to average around $147, 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 September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $163.

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 $524. Flights from Detroit to Illinois on a Monday will generally be more expensive and average around $722. 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 morning. Flights from Detroit to Illinois during this time can be as low as $513. Flights at noon are often more expensive with an average ticket price of $881.

What is the cheapest Detroit to Illinois flight route?

Fly from Detroit Metropolitan Wayne County to Chicago Midway 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 $283 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 $111 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	$222
Fastest flight time	1h 10m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Detroit in the past 72 hours is $222. The best round-trip flight deal from Detroit to Illinois found on momondo in the last 72 hours is $400.

The fastest flight from Detroit to Illinois takes 1h 10m

Direct flights go from Detroit to Illinois every day.

There are 98 airports in Illinois. From Detroit there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Detroit to Illinois

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?
There are 6 operators available for flights from Detroit to Illinois as of April 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Detroit to Illinois is Airbus A320-100/200, representing 11.15% of all bookings. The subsequent popular models are Airbus A319 at 8.22%, Canadair (Bombardier) Regional Jet 700 at 7.10%, and Boeing 717-200 at 6.61%.

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
Delta	PriceFrom $91	Free Cancellation	Rating 7.9 8,383 reviews	Search Delta flights
United Airlines	PriceFrom $94	Free Cancellation	Rating 7.4 9,541 reviews	Search United Airlines flights
American Airlines	PriceFrom $97	Free Cancellation	Rating 7.1 11,555 reviews	Search American Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,343 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 5/4

Mon 5/11

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities

Other flights from Detroit

Other flights to Illinois

Airlines

Complete your trip

Feeling lucky

Popular cities in Illinois

Flights to New Yorkfrom $55

Flights to Los Angelesfrom $56

Flights to Orlandofrom $55

Flights to Miamifrom $55

Flights to Chicagofrom $58

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $40

Flights to Washington, D.C.from $56

Flights to Bostonfrom $65

Flights to Atlantafrom $48

Flights to Dallasfrom $57

Flights to Fort Lauderdalefrom $47

Cheap flights from Detroit to Illinois from $59

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 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Detroit to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Detroit to Illinois

Our best Delta deals on Detroit to Illinois flight tickets

Southwest flights from Detroit to Illinois

Our best Southwest deals on Detroit to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Detroit to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Detroit to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Detroit to Illinois flight route?

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

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

Can stopping save me money on Detroit to Illinois flights?

What is the cheapest airline that flies from Detroit to Illinois?

What airlines fly to Illinois?

How many flights depart from Detroit to Illinois on average per day?

How many flights depart from Detroit to Illinois on average per week?

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

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying 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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Detroit flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Illinois

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Illinois

Explore popular destinations other users love

According to popular flight searches on momondo this year