$73+ Cheap flights from Illinois to Detroit (DTT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTT
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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 September 17, 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 September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/146:35 pm -
1 stop16h 21m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/14![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/186:44 pm -
1 stop5h 00m
Thu 11/269:30 pm -
1 stop21h 10m
Deal found 9/15![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/166:35 pm -
1 stop15h 36m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/15![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/186:44 pm -
1 stop5h 00m
Tue 12/12:38 pm -
1 stop17h 31m
Deal found 9/15![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/146:35 pm -
1 stop16h 21m
Thu 10/293:02 pm -
1 stop27h 38m
Deal found 9/13![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 11/206:35 pm -
1 stop25h 10m
Thu 11/269:30 pm -
1 stop21h 10m
Deal found 9/15![Frontier logo]()
$176
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop5h 04m
Mon 10/2610:38 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 11/1312:14 pm -
1 stop20h 05m
Sun 11/1510:28 pm -
1 stop13h 51m
Deal found 9/14![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 11/206:35 pm -
1 stop25h 10m
Tue 12/12:38 pm -
1 stop17h 31m
Deal found 9/15![Frontier logo]()
$194
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm -
Nonstop1h 40m
Fri 11/66:15 am -
Nonstop1h 42m
Deal found 9/16![United Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 9/16. 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.
Fri 11/63:05 pm -
Nonstop1h 10m
Sat 11/74:45 pm -
Nonstop1h 20m
Deal found 9/16![Southwest logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:20 pm -
2 stops40h 47m
Sat 11/77:00 am -
1 stop18h 21m
Deal found 9/15![Frontier logo]()
$237
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 September 17, 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 September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm -
Nonstop1h 40m
Fri 11/66:15 am -
Nonstop1h 42m
Deal found 9/16![United Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 9/16. 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.
Wed 11/48:20 am -
Nonstop1h 10m
Fri 11/61:30 pm -
Nonstop1h 20m
Deal found 9/16![Southwest logo]()
$236
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:44 pm -
Nonstop1h 14m
Sat 11/79:10 am -
Nonstop1h 22m
Deal found 9/16![Delta logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/144:42 pm -
1 stop17h 57m
Wed 10/216:30 am -
2 stops10h 32m
Deal found 9/14![Multiple Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/15:02 am -
1 stop3h 45m
Sat 10/38:47 pm -
1 stop4h 16m
Deal found 9/15![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 9/15. 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 10/57:55 am -
Nonstop1h 10m
Tue 10/611:05 am -
2 stops6h 50m
Deal found 9/15![Southwest logo]()
$250
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:10 pm -
Nonstop1h 30m
Sat 10/179:02 am -
Nonstop1h 28m
Deal found 9/11![United Airlines logo]()
$285
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:00 am -
Nonstop1h 30m
Wed 10/217:10 am -
Nonstop1h 31m
Deal found 9/16![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/244:55 pm -
Nonstop1h 30m
Mon 10/268:25 pm -
Nonstop1h 35m
Deal found 9/16![Southwest logo]()
$278
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:29 am -
Nonstop1h 14m
Wed 10/2112:28 pm -
Nonstop1h 19m
Deal found 9/16![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:59 pm -
Nonstop1h 31m
Thu 10/2910:48 am -
Nonstop1h 41m
Deal found 9/16![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 9/15. 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.
Fri 10/97:50 pm -
Nonstop1h 35m
Sat 10/2412:25 pm -
Nonstop1h 35m
Deal found 9/15![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 9/12. 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 10/275:29 pm -
Nonstop1h 31m
Tue 11/39:40 am -
Nonstop1h 31m
Deal found 9/12![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/158:50 am -
Nonstop1h 34m
Sat 10/1712:30 pm -
Nonstop1h 33m
Deal found 9/13![United Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/147:01 am -
1 stop4h 59m
Wed 10/218:54 pm -
1 stop4h 15m
Deal found 9/14![American Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:49 pm -
Nonstop1h 36m
Mon 10/127:30 am -
Nonstop1h 28m
Deal found 9/13![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:50 am -
Nonstop1h 10m
Sat 10/175:55 pm -
Nonstop1h 10m
Deal found 9/12![Southwest logo]()
$305
This Delta deal was found by Cheapflights users on 9/15. 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 10/305:29 pm -
Nonstop1h 31m
Sun 11/110:02 am -
Nonstop1h 28m
Deal found 9/15![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/232:30 pm -
1 stop6h 04m
Sun 10/258:54 pm -
1 stop4h 05m
Deal found 9/15![American Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 9/13. 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.
Fri 11/136:50 pm -
Nonstop1h 15m
Mon 11/168:50 am -
Nonstop1h 20m
Deal found 9/13![Southwest logo]()
$305
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/207:01 am -
1 stop4h 59m
Sat 10/248:54 pm -
1 stop4h 15m
Deal found 9/12![American Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:28 pm -
1 stop6h 47m
Mon 10/197:30 am -
1 stop5h 22m
Deal found 9/16![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 9/13. 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 10/82:50 pm -
Nonstop1h 05m
Mon 10/128:25 pm -
1 stop3h 45m
Deal found 9/13![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 9/15. 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 10/232:38 pm -
Nonstop1h 32m
Mon 10/268:10 pm -
Nonstop1h 41m
Deal found 9/15![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/2210:35 am -
Nonstop1h 34m
Sun 10/255:30 am -
Nonstop1h 31m
Deal found 9/13![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:29 am -
Nonstop1h 23m
Mon 10/264:06 pm -
Nonstop1h 26m
Deal found 9/14![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 12/185:06 pm -
1 stop5h 47m
Sun 1/36:31 am -
1 stop4h 45m
Deal found 9/14![American Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 11/612:45 pm -
2 stops5h 50m
Sat 11/72:55 pm -
1 stop3h 30m
Deal found 9/14![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 10/189:32 pm -
Nonstop1h 27m
Wed 10/2110:25 am -
Nonstop1h 29m
Deal found 9/13![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 9/13. 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 10/222:50 pm -
Nonstop1h 05m
Sun 10/258:05 am -
Nonstop1h 10m
Deal found 9/13![Southwest logo]()
$335
Last-minute flights from Illinois to DetroitDiscover last-minute flight deals from Illinois to Detroit. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Detroit. Data last updated September 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/14. 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 9/296:00 am -
1 stop13h 23m
Wed 10/76:46 pm -
1 stop13h 45m
Deal found 9/14![Frontier logo]()
$240
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:35 am -
Nonstop1h 34m
Tue 10/137:30 am -
Nonstop1h 28m
Deal found 9/16![United Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/146:35 pm -
1 stop16h 21m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/14![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/146:35 pm -
1 stop5h 04m
Thu 10/295:49 pm -
2 stops24h 51m
Deal found 9/13![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/166:35 pm -
1 stop15h 36m
Wed 10/216:30 am -
1 stop12h 10m
Deal found 9/15![Frontier logo]()
$145
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop5h 04m
Fri 10/238:35 pm -
1 stop23h 22m
Deal found 9/16![Frontier logo]()
$202
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop5h 04m
Sat 10/174:35 pm -
1 stop7h 38m
Deal found 9/14![Frontier logo]()
$222
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop5h 04m
Mon 10/2610:38 am -
1 stop7h 20m
Deal found 9/15![Frontier logo]()
$185
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop13h 04m
Mon 10/263:01 pm -
1 stop8h 38m
Deal found 9/16![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 9/14. 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.
Mon 10/266:00 am -
1 stop13h 04m
Tue 10/276:25 am -
1 stop7h 26m
Deal found 9/14![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:20 pm -
2 stops40h 47m
Sat 11/77:00 am -
1 stop18h 21m
Deal found 9/15![Frontier logo]()
$237
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/318:20 am -
2 stops8h 10m
Sat 11/72:55 pm -
1 stop3h 30m
Deal found 9/16![Southwest logo]()
$241
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 September 17, 2026.
Search for one-way flight options from Illinois to Detroit. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$73
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$78
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/146:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:02 pm -
1 stop28h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1612:02 pm -
1 stop21h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:02 pm -
1 stop28h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/96:44 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/126:35 pm -
1 stop16h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$91
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 12/112:59 pm -
1 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop13h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$99
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Kiwi.com) |
One-way from | $73 (Priceline) |
Popular in | March |
Cheapest in | December |
Average price | $397 |
Good round-trip deal | $347 or less |
Good one-way deal | $208 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 7,457,451 searches. Data last updated September 17, 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 Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Wed 11/11
7:47 pm-10:22 pm
Nonstop1h 35m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
ORD Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Wed 10/7
1:55 pm-4:24 pm
Nonstop1h 29m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
Quickest round-trip
ChicagoDetroit
MDW Chicago Midway - DTW Detroit Metropolitan Wayne County
MDWDTW
Chicago Midway
Sat 10/24
4:10 pm-6:20 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
ORD Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Sat 11/7
6:56 am-9:32 am
Nonstop1h 36m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
MDW Chicago Midway - DTW Detroit Metropolitan Wayne County
MDWDTW
Chicago Midway
Wed 11/4
1:20 pm-3:30 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
MDW Chicago Midway - DTW Detroit Metropolitan Wayne County
MDWDTW
Chicago Midway
Wed 11/11
9:30 am-11:45 am
Nonstop1h 15m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
ORD Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Sat 12/12
2:40 pm-5:11 pm
Nonstop1h 31m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
ORD Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Wed 11/4
10:47 am-1:28 pm
Nonstop1h 41m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
ORD Chicago O'Hare Intl - DTW Detroit Metropolitan Wayne County
ORDDTW
Chicago O'Hare Intl
Sat 10/24
9:32 pm-11:59 pm
Nonstop1h 27m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$104
ChicagoDetroit
MDW Chicago Midway - DTW Detroit Metropolitan Wayne County
MDWDTW
Chicago Midway
Sat 10/17
4:10 pm-6:20 pm
Nonstop1h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$112
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.
ORD-DTW
MDW-DTW
EVV-DTW
BMI-DTW
STL-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
ORD-DTW
MDW-DTW
EVV-DTW
BMI-DTW
What is the cheapest month to book a flight from Illinois to Detroit?
Currently, December is the cheapest month in which you can book a flight from Illinois to Detroit (average of $248). Flying from Illinois to Detroit in March is currently the most expensive (average of $521). 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 September 17, 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 39% on airfare.
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 September 17, 2026.
The most flights from USIL to DTT are scheduled on a Monday (92 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (55 on average).
How much does it cost to fly round-trip from Illinois to Detroit?
Airfare is below average for this route at the moment.
Illinois to Detroit flights typically cost between $290 and $427 in November.The cheapest round-trip price found within the last 5 days was $236 on United Airlines (Nov 4-Nov 6).
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 September 12, 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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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
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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.
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 September 17, 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 September 17, 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 4 airlines flying from Illinois to Detroit
Discover the top 4 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$479 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$128 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$171 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$174 | Average$313 | FlexibilityNo cancel fee | On-time71% |