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$46+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) to Illinois

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ORD
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Cheap flight deals from Detroit to Illinois

Keep the following information in mind while searching for Detroit to Illinois flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$108
(Frontier)

One-way from

$46
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$157

Good round-trip deal

$280 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Detroit (DTT)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Chicago (CHI) flights.
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From Detroit Metropolitan Wayne County to Illinois
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One-way flight from Detroit Metropolitan Wayne County to Illinois
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Highest demand for flights based on searches. 21% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Illinois.
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Price to beat on a one-way flight from Detroit Metropolitan Wayne County to Illinois.
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Find flight deals from Detroit to Illinois

Cheapest flights from Detroit to Illinois
Explore the most affordable flight options available from Detroit to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Frontier deal was found by Cheapflights users on 10/11. 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.
Thu 11/66:12 pmDTW - ORD
1 stop6h 59mFrontier
Mon 11/105:05 amORD - DTW
1 stop11h 11mFrontier
Deal found 10/11$108
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:39 pmDTW - ORD
1 stop17h 52mMultiple Airlines
Tue 11/116:40 amORD - DTW
1 stop9h 22mMultiple Airlines
Deal found 10/13$127
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:42 amDTW - ORD
1 stop8h 52mMultiple Airlines
Mon 11/106:40 amORD - DTW
1 stop24h 03mMultiple Airlines
Deal found 10/12$128
This Frontier deal was found by Cheapflights users on 10/12. 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.
Fri 11/75:14 pmDTW - ORD
1 stop8h 01mFrontier
Mon 11/105:05 amORD - DTW
1 stop11h 11mFrontier
Deal found 10/12$129
This Booking.com deal was found by Cheapflights users on 10/11. 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.
Thu 11/137:28 pmDTW - MDW
1 stop26h 03mFrontier
Sun 11/165:40 amMDW - DTW
1 stop6h 09mFrontier
Deal found 10/11$130
This American Airlines deal was found by Cheapflights users on 10/10. 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 11/206:45 amDTW - ORD
Nonstop1h 27mAmerican Airlines
Mon 11/244:15 pmORD - DTW
Nonstop1h 28mAmerican Airlines
Deal found 10/10$131
This Southwest deal was found by Cheapflights users on 10/11. 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 11/2012:55 pmDTW - MDW
Nonstop1h 10mSouthwest
Mon 11/249:35 pmMDW - DTW
Nonstop1h 05mSouthwest
Deal found 10/11$131
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:12 pmDTW - MDW
1 stop9h 43mMultiple Airlines
Mon 11/101:37 pmMDW - DTW
1 stop26h 35mMultiple Airlines
Deal found 10/12$132
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:00 amDTW - ORD
2 stops18h 59mMultiple Airlines
Thu 11/135:11 amORD - DTW
1 stop11h 05mMultiple Airlines
Deal found 10/13$136
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:17 pmDTW - MDW
1 stop5h 38mMultiple Airlines
Tue 11/181:56 pmMDW - DTW
1 stop19h 02mMultiple Airlines
Deal found 10/12$136
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Tue 11/410:17 amDTW - ORD
1 stop9h 17mSpirit Airlines
Sat 11/82:31 pmORD - DTW
1 stop8h 36mSpirit Airlines
Deal found 10/12$137
This Frontier deal was found by Cheapflights users on 10/12. 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.
Thu 11/136:11 pmDTW - ORD
1 stop7h 00mFrontier
Sun 11/166:00 amORD - DTW
1 stop13h 20mFrontier
Deal found 10/12$138

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Illinois that are best for you.

Fly from

Detroit

Fly to

Illinois

Route

Depart

Return

Price

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sun 11/2

6:55 pm-11:28 pm

1 stop5h 33m

Chicago O'Hare Intl

Thu 11/6

5:01 am-5:16 pm

1 stop11h 15m

$129

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Mon 11/10

7:00 am-6:39 pm

1 stop12h 39m

Chicago Midway

Mon 11/17

1:37 pm-5:12 pm

1 stop26h 35m

$139

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Thu 11/27

8:25 am-8:57 am

Nonstop1h 32m

Chicago O'Hare Intl

Thu 12/4

10:45 am-1:12 pm

Nonstop1h 27m

$144

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Thu 11/20

3:55 pm-4:24 pm

Nonstop1h 29m

Chicago O'Hare Intl

Mon 11/24

6:45 am-9:08 am

Nonstop1h 23m

$144

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Thu 11/20

8:30 am-8:54 am

Nonstop1h 24m

Chicago Midway

Mon 11/24

6:48 pm-9:05 pm

Nonstop1h 17m

$144

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sun 11/2

6:55 pm-11:28 pm

1 stop5h 33m

Chicago O'Hare Intl

Fri 11/7

5:11 am-5:12 pm

1 stop11h 01m

$150

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Thu 11/6

6:00 am-6:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Mon 11/10

2:20 pm-4:45 pm

Nonstop1h 25m

$171

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Wed 12/10

7:30 am-8:04 am

Nonstop1h 34m

Chicago O'Hare Intl

Mon 12/15

8:55 am-11:28 am

Nonstop1h 33m

$171

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Tue 11/4

12:20 pm-12:40 pm

Nonstop1h 20m

Chicago O'Hare Intl

Mon 11/10

7:11 pm-9:40 pm

Nonstop1h 29m

$171

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Tue 11/4

7:30 am-7:50 am

Nonstop1h 20m

Chicago O'Hare Intl

Wed 11/12

6:45 am-9:08 am

Nonstop1h 23m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 60 results
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Best time to book a flight from Detroit to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Detroit 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 Detroit Metropolitan Wayne County Airport to Illinois

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Illinois?

Currently, October is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Illinois (average of $68). Flying from Detroit Metropolitan Wayne County Airport to Illinois in January is currently the most expensive (average of $137). 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 DTW to IL?

Find hourly flight availability from Detroit to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Detroit Metropolitan Wayne County Airport to Illinois in the afternoon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to Illinois flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Detroit Metropolitan Wayne County Airport to Illinois

Explore weekly flight availability from Detroit to Illinois. 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 October 13, 2025.

The most flights from DTW to USIL are scheduled on a Thursday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (73 on average).

How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 13, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Detroit Metropolitan Wayne County Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,974 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,092 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Detroit to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Detroit to Illinois?

    For a flight from Detroit to Illinois, you will be flying from Detroit Metropolitan Wayne County. Detroit Metropolitan Wayne County (DTW) is just 17.3 mi from the center of the city.

  • How long is the flight from Detroit Metropolitan Wayne County Airport to Illinois?

    There are many flights that can get you from Detroit Metropolitan Wayne County Airport to Illinois in 1h 32m. Fly via Frontier, Delta, or United Airlines to get the fastest option. Detroit Metropolitan Wayne County Airport and Illinois are separated by a distance of 234 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Detroit Metropolitan Wayne County Airport to Illinois?

    The most popular flight routes from Detroit Metropolitan Wayne County Airport to Illinois are Detroit Metropolitan Wayne County - Chicago O'Hare Intl, Detroit Metropolitan Wayne County - Chicago Midway and Detroit Metropolitan Wayne County - Lambert-St Louis.

  • What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to Illinois?

    No one likes to see their flight delayed. When booking a flight from Detroit Metropolitan Wayne County Airport to Illinois consider choosing Republic Airways (89%), Scandinavian Airlines (88%) or Endeavor Airlines (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Detroit Metropolitan Wayne County Airport to Illinois?

    Looking at all options, your cheapest flight can be booked for $48. While the most popular route (Detroit Metropolitan Wayne County - Chicago O'Hare Intl) can be booked for $131 on average, our data indicates $874 when flying from Detroit Metropolitan Wayne County Airport to Illinois.

  • Can I find deals for flights from Detroit to Illinois that include hotel bookings?

    Yes. In addition to deals on Detroit to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Illinois.

  • Can I find deals for business class flights from Detroit to Illinois?

    Yes. Cheapflights offers flight deals from Detroit to Illinois 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 Detroit Metropolitan Wayne County Airport to Illinois?

    Currently, October is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Illinois (average of $68). Flying from Detroit Metropolitan Wayne County Airport to Illinois in January is currently the most expensive (average of $137). 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.

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Alternative routes for Detroit to Illinois

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Top 5 airlines flying from Detroit to Illinois

Discover the top 5 airlines that operate flights from Detroit to Illinois. 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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$51Average$120FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$97Average$277FlexibilityNo cancel feeOn-time63%
DeltaCheapest$99Average$259FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$100Average$411FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$110Average$375FlexibilityNo cancel feeOn-time69%

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