La tratta Roma - Las Vegas ha collegamenti diretti offerti dalle seguenti compagnie aeree: KLM, Lufthansa.

Dalle nostre osservazioni risulta che le compagnie KLM, Air Canada, Air France, Alaska Airlines, Finnair, Alitalia, British Airways, Condor, Norwegian Air, Iberia, KLM, Lufthansa, Swiss Air, United Airlines, Virgin Atlantic, Air Canada, Air France, Alaska Airlines, Alitalia, British Airways, Condor, Norwegian Air, Emirates, Frontier Airlines, Iberia, KLM, Lufthansa, Swiss Air, Thomas Cook Airlines, Spirit Airlines, Austrian Airlines, Scandinavian Airlines, Turkish Airlines, TAP Portugal, United Airlines, Westjet, Alaska Airlines, Frontier Airlines, KLM, Brussels Airlines, United Airlines, Westjet, Air Canada, Frontier Airlines, Spirit Airlines solitamente offrono i voli più economici sulla tratta Roma - Las Vegas.