$49+ Cheap flights from Illinois to Detroit (DTT)
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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Detroit with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Detroit
Keep the following information in mind while searching for Illinois to Detroit flight deals. Data was last updated April 17, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $97 (Delta) |
One-way from | $49 (Delta) |
Popular in | February |
Cheapest in | October |
Average price | $205 |
Good round-trip deal | $240 or less |
Good one-way deal | $134 or less |
Find flight deals from Illinois to Detroit
Cheapest flights from Illinois to DetroitExplore the most affordable flight options available from Illinois to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.
Explore the most affordable flight options available from Illinois to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.
This Delta deal was found by Cheapflights users on 4/17. 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.
This Delta deal was found by Cheapflights users on 4/17. 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.
This Southwest deal was found by Cheapflights users on 4/16. 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.
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/17. 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.
This Frontier deal was found by Cheapflights users on 4/17. 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.
This Frontier deal was found by Cheapflights users on 4/17. 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.
This Mytrip deal was found by Cheapflights users on 4/17. 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.
This American Airlines deal was found by Cheapflights users on 4/17. 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.
This American Airlines deal was found by Cheapflights users on 4/16. 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.
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Detroit 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 April 17, 2025.
Use the filters below to find and compare flights from Illinois to Detroit that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 5/13
9:00 am-11:21 am
Nonstop1h 21m
Detroit Metropolitan Wayne County
Tue 5/13
8:00 pm-8:21 pm
Nonstop1h 21m
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 5/13
6:25 pm-8:39 pm
Nonstop1h 14m
Detroit Metropolitan Wayne County
Wed 5/14
8:25 am-8:40 am
Nonstop1h 15m
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Tue 5/13
4:20 pm-10:40 pm
1 stop5h 20m
Detroit Metropolitan Wayne County
Wed 5/14
7:45 pm-7:55 pm
Nonstop1h 10m
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Thu 5/8
10:33 am-9:42 pm
1 stop10h 09m
Detroit Metropolitan Wayne County
Fri 5/9
5:18 pm-12:05 am
1 stop7h 47m
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Sun 7/13
8:44 am-11:21 am
Nonstop1h 37m
Detroit Metropolitan Wayne County
Thu 7/17
7:00 am-7:49 am
Nonstop1h 49m
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Mon 5/12
4:00 pm-9:40 pm
1 stop4h 40m
Detroit Metropolitan Wayne County
Tue 5/13
6:45 am-12:45 pm
1 stop7h 00m
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Thu 5/8
6:00 am-3:19 pm
1 stop8h 19m
Detroit Metropolitan Wayne County
Fri 5/9
2:28 pm-11:41 pm
1 stop10h 13m
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 5/8
3:25 pm-5:00 am
1 stop12h 35m
Detroit Metropolitan Wayne County
Mon 5/12
3:52 pm-11:47 pm
1 stop8h 55m
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Fri 5/9
5:55 pm-6:00 pm
1 stop23h 05m
Detroit Metropolitan Wayne County
Fri 5/16
2:28 pm-9:59 am
1 stop20h 31m
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 5/13
10:00 pm-12:29 am
Nonstop1h 29m
Detroit Metropolitan Wayne County
Tue 5/20
3:35 pm-7:35 pm
1 stop5h 00m
Best time to book a flight from Illinois to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Detroit
What is the cheapest month to book a flight from Illinois to Detroit?
Currently, April is the cheapest month in which you can book a flight from Illinois to Detroit (average of $257). Flying from Illinois to Detroit in March is currently the most expensive (average of $305). 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 IL to DTT?
Find hourly flight availability from Illinois to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Detroit as you normally would.
Weekly flight availability from Illinois to Detroit
Explore weekly flight availability from Illinois to Detroit. 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 April 17, 2025.
The most flights from USIL to DTT are scheduled on a Thursday (89 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).
Rainfall in Detroit by month
Plan your trip to Detroit by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Detroit ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit when rainfall is around 1.8 in.
Temperature in Detroit by month
Plan your trip to Detroit by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Detroit, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).
Reviews of airlines servicing Detroit
Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated April 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Detroit to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Related info for your journey
Find useful and relevant information for your journey from Illinois to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Detroit
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Illinois to Detroit
Discover the top 5 airlines that operate flights from Illinois to Detroit. 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 April 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$69 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$97 | Average$376 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$99 | Average$229 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$257 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$127 | Average$472 | FlexibilityNo cancel fee | On-time69% |