$63+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTT
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Detroit with Cheapflights
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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 May 1, 2026.
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 May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/266:33 pm
STL
- DTW
1 stop21h 40m
Frontier
Tue 6/21:59 pm
DTW
- STL
1 stop19h 56m
Frontier
Deal found 4/28![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/275:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Wed 6/36:05 pm
DTW
- STL
1 stop24h 28m
Frontier
Deal found 4/29![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Tue 5/261:59 pm
DTW
- STL
1 stop19h 56m
Frontier
Deal found 4/30![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Thu 5/286:33 pm
STL
- DTW
1 stop5h 05m
Multiple Airlines
Sun 5/316:30 am
DTW
- STL
1 stop27h 25m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Thu 6/46:33 pm
STL
- DTW
1 stop5h 05m
Frontier
Sun 6/71:59 pm
DTW
- STL
1 stop19h 56m
Frontier
Deal found 4/26![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 4/27. 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.
Tue 5/191:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Thu 5/281:59 pm
DTW
- ORD
1 stop6h 42m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Sun 5/176:50 am
DTW
- STL
1 stop11h 04m
Frontier
Deal found 4/28![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/27. 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.
Wed 5/2712:04 pm
MDW
- DTW
1 stop11h 35m
Frontier
Thu 5/281:59 pm
DTW
- MDW
1 stop9h 03m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Tue 5/191:31 pm
DTW
- ORD
1 stop7h 20m
Frontier
Deal found 4/27![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/275:27 pm
STL
- DTW
1 stop6h 12m
Multiple Airlines
Wed 6/39:47 pm
DTW
- STL
2 stops20h 46m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$182
This Frontier deal was found by Cheapflights users on 4/27. 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.
Tue 5/191:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Tue 5/261:59 pm
DTW
- ORD
1 stop6h 42m
Frontier
Deal found 4/27![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:08 pm
STL
- DTW
1 stop26h 51m
Frontier
Thu 5/286:50 am
DTW
- STL
1 stop11h 43m
Frontier
Deal found 4/27![Frontier logo]()
$185
Best flights from Illinois to DetroitDiscover carefully curated flight deals from Illinois to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
Discover carefully curated flight deals from Illinois to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 5/217:00 pm
ORD
- DTW
Nonstop1h 29m
Delta
Thu 5/287:45 pm
DTW
- ORD
Nonstop1h 29m
Delta
Deal found 4/27![Delta logo]()
$191
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:15 pm
ORD
- DTW
Nonstop1h 28m
United Airlines
Wed 6/106:00 am
DTW
- ORD
Nonstop1h 26m
United Airlines
Deal found 4/30![United Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 4/28. 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 5/265:35 am
STL
- DTW
1 stop3h 10m
Southwest
Tue 6/27:00 am
DTW
- STL
Nonstop1h 45m
Southwest
Deal found 4/28![Southwest logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/151:49 pm
ORD
- DTW
1 stop17h 03m
Multiple Airlines
Mon 6/225:38 pm
DTW
- ORD
1 stop15h 25m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/135:00 am
BMI
- DTW
1 stop3h 13m
American Airlines
Sun 5/178:21 am
DTW
- BMI
1 stop3h 25m
American Airlines
Deal found 4/28![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 4/28. 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.
Wed 5/2710:10 am
MDW
- DTW
2 stops7h 10m
Southwest
Wed 5/277:40 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 4/28![Southwest logo]()
$211
This Delta deal was found by Cheapflights users on 4/26. 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 6/95:22 pm
ORD
- DTW
Nonstop1h 29m
Delta
Mon 6/1512:15 pm
DTW
- ORD
Nonstop1h 25m
Delta
Deal found 4/26![Delta logo]()
$216
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/56:00 am
ORD
- DTW
Nonstop1h 33m
United Airlines
Sat 6/68:50 am
DTW
- ORD
Nonstop1h 32m
United Airlines
Deal found 4/26![United Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:00 am
MDW
- DTW
Nonstop1h 10m
Southwest
Mon 5/257:00 am
DTW
- MDW
1 stop6h 00m
Southwest
Deal found 4/30![Southwest logo]()
$234
This Delta deal was found by Cheapflights users on 4/26. 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.
Fri 5/229:22 am
MDW
- DTW
Nonstop1h 13m
Delta
Tue 5/268:25 am
DTW
- MDW
Nonstop1h 18m
Delta
Deal found 4/26![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 4/29. 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.
Sun 5/315:19 pm
ORD
- DTW
Nonstop1h 25m
Delta
Mon 6/14:00 pm
DTW
- ORD
Nonstop1h 29m
Delta
Deal found 4/29![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 4/29. 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 6/41:10 pm
MDW
- DTW
Nonstop1h 10m
Southwest
Sun 6/78:25 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 4/29![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/229:44 am
BMI
- DTW
1 stop6h 06m
United Airlines
Mon 8/247:32 am
DTW
- BMI
1 stop6h 18m
United Airlines
Deal found 4/28![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:00 am
BMI
- DTW
1 stop3h 13m
American Airlines
Mon 5/188:21 am
DTW
- BMI
1 stop3h 25m
American Airlines
Deal found 4/30![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 6/49:25 am
ORD
- DTW
Nonstop1h 20m
Delta
Sun 6/78:00 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 4/28![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 4/26. 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 6/49:55 am
STL
- DTW
Nonstop1h 30m
Southwest
Thu 6/48:15 pm
DTW
- STL
Nonstop1h 35m
Southwest
Deal found 4/26![Southwest logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Mon 5/258:44 pm
EVV
- DTW
2 stops44h 59m
Multiple Airlines
Mon 6/110:08 am
DTW
- EVV
1 stop10h 46m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/265:39 pm
MLI
- DTW
1 stop3h 40m
United Airlines
Tue 6/27:05 am
DTW
- MLI
1 stop6h 34m
United Airlines
Deal found 4/28![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 4/26. 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.
Thu 6/411:09 am
ORD
- DTW
Nonstop1h 21m
Delta
Sun 6/148:00 pm
DTW
- ORD
Nonstop1h 31m
Delta
Deal found 4/26![Delta logo]()
$243
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:30 am
PIA
- DTW
2 stops7h 04m
United Airlines
Sat 6/66:00 am
DTW
- PIA
1 stop5h 10m
United Airlines
Deal found 4/30![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 4/29. 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.
Sun 5/319:22 am
MDW
- DTW
Nonstop1h 13m
Delta
Mon 6/16:19 pm
DTW
- MDW
Nonstop1h 14m
Delta
Deal found 4/29![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 4/29. 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.
Wed 5/2710:10 am
MDW
- DTW
2 stops7h 10m
Southwest
Wed 6/31:20 pm
DTW
- MDW
2 stops7h 05m
Southwest
Deal found 4/29![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/142:50 pm
PIA
- DTW
1 stop4h 26m
United Airlines
Wed 5/278:50 am
DTW
- PIA
1 stop6h 07m
United Airlines
Deal found 4/28![United Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 5/143:22 pm
EVV
- DTW
2 stops21h 32m
Multiple Airlines
Sat 5/1610:00 am
DTW
- EVV
1 stop6h 49m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Mon 5/254:34 pm
EVV
- DTW
1 stop6h 59m
American Airlines
Mon 6/16:00 am
DTW
- EVV
1 stop7h 21m
American Airlines
Deal found 4/26![American Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 5/229:25 am
ORD
- DTW
Nonstop1h 20m
Delta
Mon 5/254:00 pm
DTW
- ORD
Nonstop1h 29m
Delta
Deal found 4/28![Delta logo]()
$266
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:55 am
MDW
- DTW
Nonstop1h 10m
Southwest
Mon 6/221:25 pm
DTW
- MDW
Nonstop1h 10m
Southwest
Deal found 4/30![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/127:15 pm
BMI
- DTW
1 stop3h 29m
United Airlines
Sat 6/138:50 am
DTW
- BMI
1 stop6h 33m
United Airlines
Deal found 4/26![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/27. 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.
Fri 5/226:36 pm
MDW
- DTW
Nonstop1h 09m
Delta
Mon 5/256:19 pm
DTW
- MDW
Nonstop1h 14m
Delta
Deal found 4/27![Delta logo]()
$266
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:45 pm
STL
- DTW
Nonstop1h 30m
Southwest
Sun 6/75:55 am
DTW
- STL
1 stop6h 10m
Southwest
Deal found 4/30![Southwest logo]()
$297
Last-minute flights from Illinois to DetroitDiscover last-minute flight deals from Illinois to Detroit. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Detroit. Data last updated May 1, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Tue 5/191:31 pm
DTW
- ORD
1 stop7h 20m
Frontier
Deal found 4/27![Frontier logo]()
$181
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Sun 5/176:50 am
DTW
- STL
1 stop11h 04m
Frontier
Deal found 4/28![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/27. 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.
Tue 5/191:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Thu 5/281:59 pm
DTW
- ORD
1 stop6h 42m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/27. 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.
Tue 5/191:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Tue 5/261:59 pm
DTW
- ORD
1 stop6h 42m
Frontier
Deal found 4/27![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Tue 5/261:59 pm
DTW
- STL
1 stop19h 56m
Frontier
Deal found 4/30![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/266:33 pm
STL
- DTW
1 stop21h 40m
Frontier
Tue 6/21:59 pm
DTW
- STL
1 stop19h 56m
Frontier
Deal found 4/28![Frontier logo]()
$126
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:08 pm
STL
- DTW
1 stop26h 51m
Frontier
Thu 5/286:50 am
DTW
- STL
1 stop11h 43m
Frontier
Deal found 4/27![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
MDW
- DTW
1 stop6h 04m
Frontier
Tue 6/21:59 pm
DTW
- MDW
1 stop9h 03m
Frontier
Deal found 4/26![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/275:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Wed 6/36:05 pm
DTW
- STL
1 stop24h 28m
Frontier
Deal found 4/29![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 4/27. 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.
Wed 5/2712:04 pm
MDW
- DTW
1 stop11h 35m
Frontier
Thu 5/281:59 pm
DTW
- MDW
1 stop9h 03m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/275:27 pm
STL
- DTW
1 stop6h 12m
Multiple Airlines
Wed 6/39:47 pm
DTW
- STL
2 stops20h 46m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Thu 5/286:33 pm
STL
- DTW
1 stop5h 05m
Multiple Airlines
Sun 5/316:30 am
DTW
- STL
1 stop27h 25m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$165
One-way flights from Illinois to DetroitSearch for one-way flight options from Illinois to Detroit. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
Search for one-way flight options from Illinois to Detroit. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/105:13 pm
STL
- DTW
1 stop18h 54m
Frontier
Deal found 4/27![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/275:27 pm
STL
- DTW
1 stop6h 12m
Frontier
Deal found 4/28![Frontier logo]()
$65
This Delta deal was found by Cheapflights users on 4/28. 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 5/267:00 am
ORD
- DTW
Nonstop1h 29m
Delta
Deal found 4/28![Delta logo]()
$69
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 5/201:22 pm
MDW
- DTW
Nonstop1h 13m
Delta
Deal found 4/28![Delta logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/276:00 am
MDW
- DTW
1 stop17h 39m
Frontier
Deal found 4/27![Frontier logo]()
$71
This Kissandfly.com deal was found by Cheapflights users on 4/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:50 pm
ORD
- DTW
1 stop9h 54m
Frontier
Deal found 4/26![Frontier logo]()
$72
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Deal found 4/28![Frontier logo]()
$76
This Travelocity deal was found by Cheapflights users on 4/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:08 pm
STL
- DTW
1 stop15h 27m
Frontier
Deal found 4/29![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 4/29. 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.
Wed 5/2012:04 pm
MDW
- DTW
1 stop11h 35m
Frontier
Deal found 4/29![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 5/286:33 pm
STL
- DTW
1 stop5h 05m
Frontier
Deal found 4/29![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/191:59 pm
ORD
- DTW
1 stop9h 40m
Frontier
Deal found 4/29![Frontier logo]()
$78
This Southwest deal was found by Cheapflights users on 4/29. 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.
Wed 6/175:30 pm
MDW
- DTW
1 stop4h 20m
Southwest
Deal found 4/29![Southwest logo]()
$79
Find flight deals from Illinois to Detroit
Keep the following information in mind while searching for Illinois to Detroit flight deals. Data was last updated May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Kiwi.com) |
One-way from | $63 (Kiwi.com) |
Popular in | March |
Cheapest in | May |
Average price | $199 |
Good round-trip deal | $364 or less |
Good one-way deal | $153 or less |
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 May 1, 2026.
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
Cheapest round-trip
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Thu 5/21
7:00 pm-9:29 pm
Nonstop1h 29m
Detroit Metropolitan Wayne County
Thu 5/28
7:45 pm-8:14 pm
Nonstop1h 29m
$191
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Wed 6/3
9:15 pm-11:43 pm
Nonstop1h 28m
Detroit Metropolitan Wayne County
Wed 6/10
6:00 am-6:26 am
Nonstop1h 26m
$204
St. LouisDetroit
STL - DTW
STLDTW
Lambert-St Louis
Tue 5/26
5:35 am-9:45 am
1 stop3h 10m
Detroit Metropolitan Wayne County
Tue 6/2
7:00 am-7:45 am
Nonstop1h 45m
$207
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Wed 5/27
10:10 am-6:20 pm
2 stops7h 10m
Detroit Metropolitan Wayne County
Wed 5/27
7:40 pm-7:50 pm
Nonstop1h 10m
$211
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Tue 6/9
5:22 pm-7:51 pm
Nonstop1h 29m
Detroit Metropolitan Wayne County
Mon 6/15
12:15 pm-12:40 pm
Nonstop1h 25m
$216
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 5/21
8:00 am-10:10 am
Nonstop1h 10m
Detroit Metropolitan Wayne County
Mon 5/25
7:00 am-12:00 pm
1 stop6h 00m
$234
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Fri 5/22
9:22 am-11:35 am
Nonstop1h 13m
Detroit Metropolitan Wayne County
Tue 5/26
8:25 am-8:43 am
Nonstop1h 18m
$239
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Fri 6/5
6:00 am-8:33 am
Nonstop1h 33m
Detroit Metropolitan Wayne County
Sat 6/6
8:50 am-9:22 am
Nonstop1h 32m
$243
ChicagoDetroit
ORD - DTW
ORDDTW
Chicago O'Hare Intl
Sun 5/31
5:19 pm-7:44 pm
Nonstop1h 25m
Detroit Metropolitan Wayne County
Mon 6/1
4:00 pm-4:29 pm
Nonstop1h 29m
$243
Quickest round-trip
ChicagoDetroit
MDW - DTW
MDWDTW
Chicago Midway
Thu 6/4
1:10 pm-3:20 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Sun 6/7
8:25 pm-8:35 pm
Nonstop1h 10m
$243
Showing 1-10 of 60 resultsSorted by cheapest first
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.
STL-DTW
ORD-DTW
MDW-DTW
PIA-DTW
MLI-DTW
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
USIL-DTT
STL-DTW
ORD-DTW
MDW-DTW
PIA-DTW
How far ahead should I book a flight from Illinois to Detroit?
Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Detroit. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Illinois to Detroit?
Currently, May is the cheapest month in which you can book a flight from Illinois to Detroit (average of $48). Flying from Illinois to Detroit in March is currently the most expensive (average of $181). 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 May 1, 2026.
One of the essential ways to save on airfare from Illinois to Detroit is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 40% on airfare.
What is the cheapest day to fly from Illinois to Detroit?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Detroit. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their Illinois to Detroit flight should consider departing on Saturday evenings 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 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 May 1, 2026.
The most flights from USIL to DTT are scheduled on a Thursday (92 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (61 on average).
How much does it cost to fly round-trip from Illinois to Detroit?
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.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsRoseville
Port Huron
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Illinois to Detroit
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Complete your trip
Complete your trip to Detroit by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Detroit
Explore flights to Detroit departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 1, 2026.
Search flights from Illinois to Detroit by cabin class
Find flights from Illinois to Detroit, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Detroit flights
Browse other Illinois and Detroit flight options. Last updated on May 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Detroit flights
Consider these flights traveling from Illinois to Detroit.
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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$313 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$121 | Average$249 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$133 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$178 | FlexibilityNo cancel fee | On-time62% |