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$51+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$101
(Delta)

One-way from

$51
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$112

Good round-trip deal

$226 or less

Good one-way deal

$149 or less
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. 15% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:00 amDTW - ORD
Nonstop1h 33mUnited Airlines
Sat 10/112:25 pmORD - DTW
Nonstop1h 26mUnited Airlines
Deal found 9/10$101
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1812:15 pmDTW - MDW
Nonstop1h 16mDelta
Tue 10/211:08 pmMDW - DTW
Nonstop1h 11mDelta
Deal found 9/11$101
This Delta deal was found by Cheapflights users on 9/9. 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 10/188:00 pmDTW - ORD
Nonstop1h 23mDelta
Wed 10/228:55 amORD - DTW
Nonstop1h 21mDelta
Deal found 9/9$108
This Southwest deal was found by Cheapflights users on 9/11. 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.
Tue 10/216:45 pmDTW - MDW
Nonstop1h 10mSouthwest
Tue 10/218:50 pmMDW - DTW
Nonstop1h 10mSouthwest
Deal found 9/11$108
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:25 amDTW - MDW
Nonstop1h 15mDelta
Wed 10/19:35 amMDW - DTW
Nonstop1h 10mDelta
Deal found 9/11$111
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:22 amDTW - MDW
1 stop12h 17mMultiple Airlines
Mon 11/31:37 pmMDW - DTW
1 stop17h 39mMultiple Airlines
Deal found 9/10$113
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:15 pmDTW - ORD
Nonstop1h 19mDelta
Mon 10/610:30 amORD - DTW
Nonstop1h 23mDelta
Deal found 9/11$115
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:15 pmDTW - MDW
Nonstop1h 13mDelta
Mon 10/69:35 amMDW - DTW
Nonstop1h 10mDelta
Deal found 9/11$115
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/46:45 amDTW - ORD
Nonstop1h 33mAmerican Airlines
Mon 10/67:35 amORD - DTW
Nonstop1h 32mAmerican Airlines
Deal found 9/9$116
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/113:30 pmDTW - MDW
Nonstop1h 10mSouthwest
Sat 10/117:20 pmMDW - DTW
Nonstop1h 10mSouthwest
Deal found 9/10$116
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:00 amDTW - ORD
Nonstop1h 30mUnited Airlines
Sat 10/115:50 pmORD - DTW
Nonstop1h 36mUnited Airlines
Deal found 9/10$117
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:25 amDTW - MDW
Nonstop1h 15mDelta
Sun 10/59:35 amMDW - DTW
Nonstop1h 10mDelta
Deal found 9/10$117

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 September 11, 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

Sat 10/18

3:50 pm-4:11 pm

Nonstop1h 21m

Chicago O'Hare Intl

Wed 10/22

8:55 am-11:16 am

Nonstop1h 21m

$101

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 10/4

6:00 am-6:30 am

Nonstop1h 30m

Chicago O'Hare Intl

Tue 10/7

5:50 pm-8:26 pm

Nonstop1h 36m

$101

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 10/4

9:15 pm-9:34 pm

Nonstop1h 19m

Chicago O'Hare Intl

Sat 10/11

10:30 am-12:53 pm

Nonstop1h 23m

$101

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 10/4

11:00 am-11:33 am

Nonstop1h 33m

Chicago O'Hare Intl

Sat 10/11

2:25 pm-4:51 pm

Nonstop1h 26m

$101

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Tue 10/14

6:40 am-6:50 am

Nonstop1h 10m

Chicago Midway

Tue 10/14

8:50 pm-11:00 pm

Nonstop1h 10m

$114

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Sat 10/18

6:20 pm-6:30 pm

Nonstop1h 10m

Chicago Midway

Mon 10/20

5:30 pm-7:35 pm

Nonstop1h 05m

$115

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Thu 10/30

8:00 pm-8:23 pm

Nonstop1h 23m

Chicago O'Hare Intl

Sat 11/1

7:10 am-9:29 am

Nonstop1h 19m

$115

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 10/4

9:15 pm-9:34 pm

Nonstop1h 19m

Chicago O'Hare Intl

Mon 10/6

10:30 am-12:53 pm

Nonstop1h 23m

$115

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Wed 10/15

7:30 am-7:50 am

Nonstop1h 20m

Chicago O'Hare Intl

Thu 10/23

7:10 am-9:29 am

Nonstop1h 19m

$115

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Sat 10/4

12:15 pm-12:28 pm

Nonstop1h 13m

Chicago Midway

Mon 10/6

9:35 am-11:45 am

Nonstop1h 10m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, August is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Illinois (average of $245). Flying from Detroit Metropolitan Wayne County Airport to Illinois in March is currently the most expensive (average of $321). 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 September 11, 2025.

When flying from Detroit Metropolitan Wayne County Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 2025.

The most flights from DTW to USIL are scheduled on a Thursday (79 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).

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 September 11, 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
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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 10m. Fly via Delta, United Airlines, or Southwest to get the fastest option. Detroit Metropolitan Wayne County Airport and Illinois are separated by a distance of 227 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport to Illinois one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $51. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Detroit Metropolitan Wayne County Airport to Illinois for a low price.

  • 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 SWISS (82%), Republic Airways (82%) or Copa Airlines (81%) 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 $58. While the most popular route (Detroit Metropolitan Wayne County - Chicago O'Hare Intl) can be booked for $101 on average, our data indicates $1,225 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, August is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Illinois (average of $245). Flying from Detroit Metropolitan Wayne County Airport to Illinois in March is currently the most expensive (average of $321). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$91FlexibilityNo cancel feeOn-time65%
DeltaCheapest$96Average$247FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$97Average$397FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$97Average$275FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$102Average$433FlexibilityNo cancel feeOn-time71%

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