Frontier has round-trip flights from Phoenix (PHX) to Las Vegas (LAS) for $38-$48, NONSTOP. $18.98-$23.98 each-way Flights in June. No Saturday departures. Extended weekends available. Origin/Destination reversible.
Click for more details and booking links Nonstop Flights: Phoenix to/from Las Vegas $38-$48 r/t [June] ($18.98 each-way) – Frontier