Dallas (DFW) to Detroit (DTT): 986 miles (1,587 km) great-circle, about 2h 30m nonstop by our estimate. Cheapest fare observed: $142 round-trip on Spirit, nonstop, departing May 20, 2026.
$142 round-trip, Spirit NK1009, departing 2026-05-20 at 09:31, returning 2026-05-23. The recorded itinerary left on a Wednesday, returning on a Saturday 3 nights later; the fare was observed 25 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $142, it ranked 12th of the 30 round-trip fares we recorded from DFW (median $198). That is 14.4 cents per great-circle mile (round-trip price over one-way distance), close to the DFW median of 15.9 cents across 30 round-trip routes.
Routes from DFW of similar length: Orlando (979 mi) at $120 and Cancun (1,030 mi) at $248.
Spirit had the cheapest fare on 5 of 30 DFW routes. It is the 21st longest of the 30 routes we track from DFW.
Of 4 departure airports with a fare to Detroit, Dallas (DFW) ranked 1st at $142. Lowest: $142 from Dallas (DFW); highest: $208 from Boston (BOS); 3 nonstop. Cheapest-fare airlines (routes): Frontier (2) and Spirit (2).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/New_York; flight time is our estimate.