Dallas (DFW) to Phoenix (PHX): 866 miles (1,393 km) great-circle, about 2h 15m nonstop by our estimate. Cheapest fare observed: $71 round-trip on Frontier, nonstop, departing May 4, 2026.
$71 round-trip, Frontier F93971, departing 2026-05-04 at 10:45, returning 2026-05-11. The recorded itinerary left on a Monday, returning on a Monday 7 nights later; the fare was observed 9 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $71, it was the cheapest of the 30 round-trip fares we recorded from DFW (median $198). That is 8.2 cents per great-circle mile (round-trip price over one-way distance), below the DFW median of 15.9 cents across 30 round-trip routes.
Routes from DFW of similar length: Tampa (928 mi) at $212 and Chicago (802 mi) at $94.
Frontier had the cheapest fare on 18 of 30 DFW routes. It is the 25th longest of the 30 routes we track from DFW.
Of 12 departure airports with a fare to Phoenix, Dallas (DFW) ranked 2nd at $71. Lowest: $48 from Denver (DEN); highest: $409 from San Jose (SJC); 8 nonstop. Cheapest-fare airlines (routes): Frontier (8), Alaska Airlines (1), JetBlue (1), Southwest (1) and Volaris (1).
The reverse, Phoenix (PHX) to Dallas (DFW), was $153 round-trip on Frontier, nonstop, departing May 2, 2026. Phoenix to Dallas flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/Phoenix; flight time is our estimate.