$59 Find Cheap Flights from Detroit to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Detroit to Illinois departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Detroit to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Detroit to Illinois, as well as popular online travel agencies
Travelers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Detroit to Illinois

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Chicago
Chicagononstop$117
Moline
Moline1 stop$255
Peoria
Peoria1 stop$229
Bloomington
Bloomington1 stop$528
Champaign
Champaign1 stop$517
St. Louis
St. Louis1 stop$144
Chicago
Chicagononstop$117
Moline
Moline1 stop$255
Peoria
Peoria1 stop$229
Bloomington
Bloomington1 stop$528
Champaign
Champaign1 stop$517
St. Louis
St. Louis1 stop$144

Book Cheap Detroit to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Detroit to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Detroit to Illinois

Tue, Jan 6 - Tue, Jan 13
Delta Logo
8:38 pm - 9:05 pm
DTW
-
ORD
1h 27mnonstop
Delta Logo
1:55 pm - 4:13 pm
ORD
-
DTW
1h 18mnonstop
$117Delta
Tue, Jan 6 - Tue, Jan 13
Delta Logo
5:09 pm - 5:34 pm
DTW
-
MDW
1h 25mnonstop
Delta Logo
1:28 pm - 3:38 pm
MDW
-
DTW
1h 10mnonstop
$117Delta
Fri, Feb 20 - Sun, Feb 22
Frontier Logo
12:35 pm - 11:35 pm
DTW
-
ORD
12h 00m1 stop
Frontier Logo
5:01 am - 9:14 am
ORD
-
DTW
27h 13m1 stop
$128Frontier
Tue, Jan 6 - Wed, Jan 7
Southwest Logo
6:25 am - 12:15 pm
DTW
-
ORD
6h 50m1 stop
Southwest Logo
1:45 pm - 9:00 pm
ORD
-
DTW
6h 15m1 stop
$137Southwest
Fri, Jan 30 - Mon, Feb 2
Frontier Logo
7:14 pm - 6:51 am
DTW
-
STL
12h 37m1 stop
Frontier Logo
5:42 pm - 10:54 am
STL
-
DTW
16h 12m1 stop
$144Frontier
Wed, Jan 7 - Sat, Jan 10
Southwest Logo
4:05 pm - 10:05 pm
DTW
-
MDW
7h 00m1 stop
Southwest Logo
5:35 pm - 7:45 pm
MDW
-
DTW
1h 10mnonstop
$154Southwest
Fri, Jan 23 - Sun, Jan 25
United Airlines Logo
5:50 pm - 9:39 pm
DTW
-
PIA
4h 49m1 stop
United Airlines Logo
10:45 am - 5:03 pm
PIA
-
DTW
5h 18m1 stop
$229United Airlines
Thu, Feb 26 - Sun, Mar 1
United Airlines Logo
5:35 am - 10:16 am
DTW
-
MLI
5h 41m1 stop
United Airlines Logo
3:52 pm - 8:17 pm
MLI
-
DTW
3h 25m1 stop
$255United Airlines
Thu, Dec 25 - Mon, Dec 29
American Airlines Logo
6:01 am - 10:41 am
DTW
-
EVV
5h 40m1 stop
American Airlines Logo
4:51 pm - 11:55 pm
EVV
-
DTW
6h 04m1 stop
$392American Airlines
Fri, Jan 23 - Sun, Jan 25
American Airlines Logo
11:30 am - 10:21 pm
DTW
-
PIA
11h 51m2 stops
American Airlines Logo
5:16 pm - 12:21 pm
PIA
-
DTW
18h 05m1 stop
$406American Airlines
Booking Insights

KAYAK's insights & trends for Detroit to Illinois flights

Get data-powered insights and trends into flights from Detroit to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Detroit Metropolitan Wayne County Airport to Illinois flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Illinois from Detroit Metropolitan Wayne County Airport found in the last 72 hours was to Chicago, at $171 round-trip. The most popular route is from Detroit Metropolitan Wayne County Airport (DTW) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $250.

Can I save money by flying with a layover from Detroit Metropolitan Wayne County Airport to Illinois?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $274, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Detroit Metropolitan Wayne County Airport to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Detroit Metropolitan Wayne County Airport to Illinois is September, when tickets cost $151 (return) on average. On the other hand, the most expensive months are July and January, when the average cost of round-trip tickets is $282 and $275 respectively.

What’s the cheapest day of the week to fly from Detroit to Illinois?

The average price of all round-trip flights from Detroit Metropolitan Wayne County Airport to Illinois clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Illinois on a Thursday and more expensive on a Monday. On your return trip to Detroit, you should consider flying back on a Friday, and avoid Saturdays for better deals.

How far in advance should I book a flight from Detroit Metropolitan Wayne County Airport to Illinois?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Detroit Metropolitan Wayne County Airport to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Detroit Metropolitan Wayne County Airport to Illinois, you should book around 4 weeks before departure, which saves you about 65% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$59
Best time to beat the crowds but there is an average 22% increase in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Detroit to Chicago O'Hare Airport

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Detroit to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Detroit to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Detroit to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Detroit to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Detroit to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Detroit to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Detroit to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Detroit to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the morning, when round-trip flights cost $524 on average. Morning departures are around 40% cheaper than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the evening, which is peak travel time and where the average cost of a ticket is $879.

Top tips for finding cheap flights to Illinois

  • Looking for a cheap flight? 25% of our users found tickets from Detroit to the following destinations at these prices or less: Chicago $205 one-way - $455 round-trip

Reviews of the top 4 airlines serving from Detroit to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Detroit to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Detroit to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4252 reviews
8.0Comfort
7.0Food
8.1Boarding
7.5Entertainment
8.6Crew
Airline reviews

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

8.0 ExcellentRussell, Dec 2025
SAN - OAK
Read more Southwest reviews

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

Still a fan of open seating. Flight was on schedule and arrived on time. The 737 MAX is very comfortable.

Airline travel is always too cramped to really be pleasant, but the cabin crew on this flight did a pretty good job of making up for it by putting on some music during boarding and sprinkling a few funny remarks into the safety briefing and announcements, and just generally being friendly and helpful. It definitely reminded me of why I prefer the in-flight experience on Southwest!

No delays and arrived to destination 30 min early. Staff was super friendly.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

It was rough. The staff was unprofessional, the choice of on board drinks terrible, it was cramped in space at every airport, they always ran out of overhead bin space so they pressured people to check bags for free or we couldn’t leave on the plane— so I did check my bag to help, and they nearly lost my bag. My bag did not arrive on the luggage belt, another man on my flight and I had to waste our time going to the baggage office to search for our bags. I would only fly southwest again if it was my last choice. Also, my flights were consistently delayed over and over again— at one point they straight up told us we were waiting for the pilot to arrive.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Had to get off plane from prior flight even though I had to reboard same plane to continue to my final destination.

Everything a cheap airline should be at normal airline rates.

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

The food is terrible. The staff is wonderful. Comfort is good.

Left on time, a bit delayed due to headwinds most of the trip.

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Good seats in Main cabin, excellent service and excellent landing

My flight was cancelled with no explanation after I had already cleared security. I was given 4 options to rebook, only one being non-stop like I had paid for. I grabbed it. It was 4 plus hours later and then took off even later. Biggest complaint is that I booked early and had an aisle seat. They gave me a "window" seat in front of the exit row, so the seat did not decline. I weigh all of 103 #s and it was tight for me! For what I paid, I feel I was kind of ripped off. I think they should have given me the empty comfort seat for the inconvenience. There was no apology nor any explanation as to why the flight was cancelled. My guess is it benefitted Delta in some way.

Very smooth, on-time, and pleasantly uneventful flight. The team at the gate and on board were professional and genuinely courteous. The pilot kept us well updated throughout, and both takeoff and landing were steady and enjoyable without any drama. Just a good, solid flight. Thank you! 💗

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

We had a lot of really rough weather but that was not Delta's fault. Pilot was amazing.

It was nice to have gotten up upgraded to first class with a meal on a three hour flight

Very bad! They kept delaying my flight and wouldn’t do anything about it

Door to door, the crew and staff were amazing. It was a stressful travel day with delays, but they were focused on customers and doing what they could to get us to our destinations.

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

Another delayed flight. When the delays exceed the duration of the flight, it’s a problem.

After boarding the plane in Chicago, the passengers were told that there was a technical problem with the plane. Passengers remained on the plane as they tried to fix the problem. After what was probably an hour passengers were told that there was a need to change planes as the problem was not solved. Passengers disembarked and boarded another plane. After taxing to the runway and waiting for takeoff, passengers were told that owing to the thunderstorm the flight was unable to take off but would try and reroute. After some time passengers were told there wasn't enough fuel for the new route and the plane had to return to the gate for additional fuel. after another log delay the flight got underway. On the plane there was food, drinks, ice or entertainment. We were a glass of water, which appeared rationed. Flight arrived about 5 hours late. The pilot was fantastic and communicated with the passengers throughout the ordeal.

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

Trip was great. A wild landing in Ottawa with the wind and rain, but the pilot did a great job. Always love flying United.👍

Excellent experience. Starting with the agent at the Premier bag drop who noticed I was very early for my scheduled flight and offered to rebook me on an earlier flight with my seat preference. She would not let me leave the counter until she knew that all of the changes and new boarding pass showed up on my United app. At the gate, the flight boarded quickly such that we departed early and the flight was smooth. We arrived 20 minutes early at ORD and I was able to be home in time for dinner. One of the best flights I've had.

Salina to travers city was great! But the sept 24 Tranverse city was not! Traverse city to chichago was cancelled, i went to Denver & got to Salina 6 hours later!

I enjoyed the extra leg room compared to other airlines. The first stewards made my daughter’s birthday special by giving her an extra snack. Then the last one coming home from Chicago to Appleton made our night really enjoyable Thanks for making our trip enjoyable

It was good..clean, comfy seat. Friendly warm welcoming crew. Was able to check my cabin luggage at the gate which I was able to pickup in a decent time from baggage claim. The app gave all updates from delays to baggage claim info. Overall smooth flight.

It was a typical flight. We had a delay which seems to be the normality now. And we had no in flight service due to conditions.

After we landed we sat on the tarmac for 1.5 hours waiting to get to our gate. Ridiculous.

Terrible. Flight delayed for more than 8 hours with only a $12 meal voucher provided for the inconvenience. The airplane did not have breaks on arrival yet they still made us go through the motions and board on time knowing we could not take off then sit for 40+ minutes before having to get of the time. A complete waste of my time. I cannot believe they can stay business with these shenanigans. I’ll avoid this company like the plague moving forward as the lack of accountability is disgraceful.

This was the best 2 flights I have had with American out of SGF. Great crew both flights.

Excellent - explanations were clear staff was nice and flight was comfortable

Lost bag and 2 days no word leaving for cruise no clothes or stuff

Any flight to ORD after about 2pm this summer has been challenging. Flight was delayed getting in (coming from ORD) and that led to it not leaving before a ground stop due to lightening before they could fuel the plane, and so forth. They made up some time but we were still late in arriving at ORD, and that led to missed connections.

Food was ok, but not as good as I have had before on AA.

Everything you need to know for your flight from Detroit to Illinois

Information on your arrival and departure airports