Phoenix (PHX) to Los Angeles (LAX): 370 miles (595 km) great-circle, about 1h 15m nonstop by our estimate. Cheapest fare observed: $124 round-trip on Frontier, nonstop, departing May 21, 2026.
$124 round-trip, Frontier F92133, departing 2026-05-21 at 19:40, returning 2026-05-24. The recorded itinerary left on a Thursday, returning on a Sunday 3 nights later; the fare was observed 26 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $124, it ranked 2nd of the 30 round-trip fares we recorded from PHX (median $231). That is 33.5 cents per great-circle mile (round-trip price over one-way distance), above the PHX median of 17.4 cents across 30 round-trip routes.
Routes from PHX of similar length: San Diego (304 mi) at $191 and Las Vegas (256 mi) at $162.
Frontier had the cheapest fare on 19 of 30 PHX routes. It is the 28th longest of the 30 routes we track from PHX.
Of 40 departure airports with a fare to Los Angeles, Phoenix (PHX) ranked 5th at $124. Lowest: $77 from Seattle (SEA); highest: $1224 from Sapporo (CTS); 11 nonstop. Cheapest-fare airlines (routes): Frontier (18), Spirit (5), Southwest (3), EVA Air (2), Fiji Airways (2) and WestJet (2), plus 8 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Phoenix, America/Los_Angeles; flight time is our estimate.