Phoenix (PHX) to Las Vegas (LAS): 256 miles (411 km) great-circle, about 1h 00m nonstop by our estimate. Cheapest fare observed: $162 round-trip on Frontier, nonstop, departing June 26, 2026.
$162 round-trip, Frontier F91019, departing 2026-06-26 at 07:45, returning 2026-06-30. The recorded itinerary left on a Friday, returning on a Tuesday 4 nights later; the fare was observed 62 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $162, it ranked 5th of the 30 round-trip fares we recorded from PHX (median $231). That is 63.4 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 Los Angeles (370 mi) at $124.
Frontier had the cheapest fare on 19 of 30 PHX routes. It is the 30th longest of the 30 routes we track from PHX.
Of 32 departure airports with a fare to Las Vegas, Phoenix (PHX) ranked 12th at $162. 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/Phoenix, America/Los_Angeles; flight time is our estimate.