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$44+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTT
abr. 6 — abr. 131
dom. 4/6
dom. 4/13
1 adult, Economy
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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 abril 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$90
(FlightHub)

One-way from

$44
(FlightHub)

Popular in

February

Cheapest in

October

Average price

$158

Good round-trip deal

$259 or less

Good one-way deal

$80 or less
Provider with most accurate pricing for Chicago (CHI)-Detroit (DTT) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Detroit (DTT) flights.
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From Illinois to Detroit (DTT)
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One-way flight from Illinois to Detroit (DTT)
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Highest demand for flights based on searches. 29% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Detroit (DTT).
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Price to beat on a one-way flight from Illinois to Detroit (DTT).
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Find flight deals from Illinois to Detroit

Cheapest flights from Illinois to Detroit
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 abril 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/1. 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.
vie. 9/198:44 amSTL - DTW
Nonstop1h 37mSpirit Airlines
lun. 9/227:00 amDTW - STL
Nonstop1h 49mSpirit Airlines
Deal found 4/1$90
This Mytrip deal was found by Cheapflights users on 3/30. 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.
lun. 5/125:20 pmORD - DTW
1 stop15h 16mSpirit Airlines
lun. 5/193:23 pmDTW - ORD
1 stop17h 04mSpirit Airlines
Deal found 3/30$142
This Frontier deal was found by Cheapflights users on 3/31. 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.
mié. 4/239:28 amORD - DTW
1 stop8h 22mFrontier
vie. 4/252:39 pmDTW - ORD
1 stop9h 58mFrontier
Deal found 3/31$158
This Frontier deal was found by Cheapflights users on 4/1. 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.
jue. 5/18:30 amMDW - DTW
1 stop5h 49mFrontier
dom. 5/43:55 pmDTW - MDW
1 stop8h 59mFrontier
Deal found 4/1$158
This Mytrip deal was found by Cheapflights users on 3/31. 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.
jue. 5/14:07 pmSTL - DTW
1 stop20h 36mFrontier
dom. 5/412:54 pmDTW - STL
1 stop12h 12mFrontier
Deal found 3/31$165
This Delta deal was found by Cheapflights users on 4/1. 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.
sáb. 4/195:00 pmORD - DTW
Nonstop1h 17mDelta
dom. 4/208:20 pmDTW - ORD
Nonstop1h 25mDelta
Deal found 4/1$179
This Delta deal was found by Cheapflights users on 4/1. 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.
sáb. 4/195:59 pmMDW - DTW
Nonstop1h 11mDelta
dom. 4/208:25 amDTW - MDW
Nonstop1h 15mDelta
Deal found 4/1$179
This Southwest deal was found by Cheapflights users on 4/1. 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.
sáb. 4/194:05 pmMDW - DTW
1 stop6h 20mSouthwest
dom. 4/203:05 pmDTW - MDW
Nonstop1h 10mSouthwest
Deal found 4/1$189
This United Airlines deal was found by Cheapflights users on 4/1. 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.
sáb. 4/195:50 pmORD - DTW
Nonstop1h 32mUnited Airlines
mié. 4/239:10 amDTW - ORD
Nonstop1h 33mUnited Airlines
Deal found 4/1$190
This American Airlines deal was found by Cheapflights users on 4/1. 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.
mar. 5/137:20 amORD - DTW
Nonstop1h 32mAmerican Airlines
mar. 5/131:09 pmDTW - ORD
1 stop8h 24mAmerican Airlines
Deal found 4/1$215
This Delta deal was found by Cheapflights users on 3/31. 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.
mar. 4/296:50 amSTL - DTW
Nonstop1h 29mDelta
mar. 5/134:10 pmDTW - STL
Nonstop1h 37mDelta
Deal found 3/31$217
This Mytrip deal was found by Cheapflights users on 3/31. 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.
mar. 4/296:10 pmSTL - DTW
1 stop13h 47mMultiple Airlines
mar. 5/1310:31 amDTW - STL
2 stops9h 10mMultiple Airlines
Deal found 3/31$219

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 abril 1, 2025.
Use the filters below to find and compare flights from Illinois to Detroit that are best for you.

Fly from

Illinois

Fly to

Detroit

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

vie. 9/19

8:44 am-11:21 am

Nonstop1h 37m

Detroit Metropolitan Wayne County

lun. 9/22

7:00 am-7:49 am

Nonstop1h 49m

$90

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

lun. 5/12

5:20 pm-9:36 am

1 stop15h 16m

Detroit Metropolitan Wayne County

lun. 5/19

3:23 pm-7:27 am

1 stop17h 04m

$142

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

mié. 4/23

9:28 am-6:50 pm

1 stop8h 22m

Detroit Metropolitan Wayne County

vie. 4/25

2:39 pm-11:37 pm

1 stop9h 58m

$158

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

jue. 5/1

8:30 am-3:19 pm

1 stop5h 49m

Detroit Metropolitan Wayne County

dom. 5/4

3:55 pm-11:54 pm

1 stop8h 59m

$158

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

jue. 5/1

4:07 pm-1:43 pm

1 stop20h 36m

Detroit Metropolitan Wayne County

dom. 5/4

12:54 pm-12:06 am

1 stop12h 12m

$165

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

sáb. 4/19

5:00 pm-7:17 pm

Nonstop1h 17m

Detroit Metropolitan Wayne County

dom. 4/20

8:20 pm-8:45 pm

Nonstop1h 25m

$179

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

sáb. 4/19

5:59 pm-8:10 pm

Nonstop1h 11m

Detroit Metropolitan Wayne County

dom. 4/20

8:25 am-8:40 am

Nonstop1h 15m

$179

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

sáb. 4/19

4:05 pm-11:25 pm

1 stop6h 20m

Detroit Metropolitan Wayne County

dom. 4/20

3:05 pm-3:15 pm

Nonstop1h 10m

$189

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

sáb. 4/19

5:50 pm-8:22 pm

Nonstop1h 32m

Detroit Metropolitan Wayne County

mié. 4/23

9:10 am-9:43 am

Nonstop1h 33m

$190

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

lun. 4/21

7:05 pm-8:43 am

1 stop12h 38m

Detroit Metropolitan Wayne County

mar. 4/22

7:42 pm-12:20 am

2 stops29h 38m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 54 results
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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.
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 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 abril 1, 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 abril 1, 2025.

The most flights from USIL to DTT are scheduled on a Monday (80 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 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 abril 1, 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.
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Avelo Airlines
7.5
Good
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    Detroit All airports (DTT), located 0.6 mi from the city center, is the airport you fly into when you book flights from Illinois to Detroit.

  • What are the cheapest airlines to fly from Illinois to Detroit one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $44. Users have also found prices from $77 and $90 on Frontier and Delta, respectively.

  • What are the most popular routes from Illinois to Detroit?

    The most popular route from Illinois to Detroit is Chicago O'Hare Intl - Detroit Metropolitan Wayne County. You may also consider Chicago Midway - Detroit Metropolitan Wayne County or Lambert-St Louis - Detroit Metropolitan Wayne County.

  • What are the most reliable airlines from Illinois to Detroit?

    Consider Gulf Air (92%), Cathay Pacific (90%) or GoJet (87%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Detroit.

  • What are the cheapest flights from Illinois to Detroit?

    While on average a flight from Illinois to Detroit is generally $969, our data shows the cheapest flight currently is $60. When looking at the most popular route, (Chicago O'Hare Intl - Detroit Metropolitan Wayne County), you can expect to pay $142 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Detroit 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 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.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Port Huron
Roseville

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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.
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Denver to Detroit flights
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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 abril 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$69FlexibilityNo cancel feeOn-time65%
DeltaCheapest$97Average$225FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$98Average$376FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$118Average$257FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$127Average$469FlexibilityNo cancel feeOn-time69%

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