Detroit (DTW) to Miami (MIA): 1,148 miles (1,847 km) great-circle, about 2h 50m nonstop by our estimate. Cheapest fare observed: $149 round-trip on Frontier, with 1 stop, departing May 7, 2026.
$149 round-trip, Frontier F93409, departing 2026-05-07 at 13:59, returning 2026-05-12. The recorded itinerary left on a Thursday, returning on a Tuesday 5 nights later; the fare was observed 12 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $149, it ranked 4th of the 30 round-trip fares we recorded from DTW (median $275). That is 13.0 cents per great-circle mile (round-trip price over one-way distance), below the DTW median of 22.2 cents across 30 round-trip routes.
Routes from DTW of similar length: Fort Lauderdale (1,130 mi) at $149 and Denver (1,120 mi) at $194.
Frontier had the cheapest fare on 17 of 30 DTW routes. It is the 15th longest of the 30 routes we track from DTW.
Of 30 departure airports with a fare to Miami, Detroit (DTW) ranked 10th at $149. Lowest: $72 from Atlanta (ATL); highest: $1627 from Wellington (WLG); 10 nonstop. Cheapest-fare airlines (routes): Frontier (13), Spirit (4), Southwest (3), American Airlines (2), Arajet (2) and Avianca (1), plus 5 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/New_York; flight time is our estimate.