Flights Detroit → Chicago — September 17, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Thursday, September 17, 2026 on the Detroit–Chicago route: 1 stop itinerary (2 flights) via Atlanta Hartsfield-Jackson (ATL), from Detroit Metropolitan (DTW) to Chicago O'Hare (ORD), first flight Frontier Airlines F91263, departs 7:00 AM, arrives 6:23 PM, total travel time 12h 23m including layovers, flight time 4h 24m (layovers excluded), $151 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 7, 2026 and read by AirSource on September 10, 2026, 21:23 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: American Airlines AA4013, from Detroit Metropolitan (DTW) to Chicago O'Hare (ORD), departs 8:21 AM, arrives 9:10 AM, direct, 1h 49m, $157 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.