FlixBus is a bus travel brand offering affordable intercity journeys across the United States and an international network spanning more than 40 countries. Its routes connect thousands of destinations, including major cities in the US, Canada, and Mexico, with additional North American coverage through its integration with Greyhound. Passengers can use the website or mobile app to plan trips, compare fares, book tickets, manage reservations, and track buses in real time. Digital tickets allow travelers to board using their phones, while live tracking and trip updates help them stay informed.

FlixBus promotes convenient travel with modern buses featuring free Wi-Fi on most services, power outlets, extra legroom, and onboard toilets. Each passenger may bring one carry-on bag and one stowed piece of luggage. The company offers frequent connections and schedules suited to different travel plans, from advance bookings to last-minute trips. It also presents bus travel as a way to limit per-passenger emissions compared with higher-emission transport options, and reports sustainability targets and initiatives focused on improving environmental performance and exploring alternative drive and fuel technologies.