Detroit (DTW) to Las Vegas (LAS): 1,745 miles (2,808 km) great-circle, about 4h 00m nonstop by our estimate. Cheapest fare observed: $129 round-trip on Frontier, with 1 stop, departing April 30, 2026.
$129 round-trip, Frontier F92211, departing 2026-04-30 at 22:27, returning 2026-05-06. The recorded itinerary left on a Thursday, returning on a Wednesday 6 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $129, it ranked 2nd of the 30 round-trip fares we recorded from DTW (median $275). That is 7.4 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: Queretaro (1,785 mi) at $494 and Phoenix (1,667 mi) at $174.
Frontier had the cheapest fare on 17 of 30 DTW routes. It is the 13th longest of the 30 routes we track from DTW.
Of 32 departure airports with a fare to Las Vegas, Detroit (DTW) ranked 8th at $129. Lowest: $51 from San Francisco (SFO); highest: $465 from Los Cabos (SJD); 16 nonstop. Cheapest-fare airlines (routes): Frontier (24), Alaska Airlines (2), Air Canada (1), American Airlines (1), JetBlue (1) and Southwest (1), plus 2 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/Los_Angeles; flight time is our estimate.