Flixbus, Europe’s fastest-growing mobility provider and Gray Line of Tucson / Citizen Auto Stage Co., family owned and operated for 105 years and a pioneer in regional transportation, have launched a unique business venture. The best of two worlds – Gray Line Tucson, the embodiment of reliable, safe transportation in the southwest, and FlixBus with its cutting edge technology, are now providing low-cost round-trip routes from Tucson to Phoenix Las Vegas and Flagstaff, with other destinations to come. Other partners are offering transportation to Los Angeles and other destinations. Gray Line Tucson and FlixBus will paint US highways green with hundreds of daily connections planned for the future. Fully compatible with mobile devices and offering wifi and the latest movies and entertainment onboard, Flixbus represents a new, green and safer alternative in regular route transportation. Click below to go directly to the booking site.