FlixBus is an intercity bus travel brand offering affordable connections across the United States and an international network spanning more than 40 countries. Its services link major destinations in the US, Canada, and Mexico, with Greyhound integration extending travel options across North America. Passengers can search routes and schedules, compare fares, and book trips through the FlixBus website or mobile app, including for last-minute journeys. Digital tickets let travelers board using their phones, while the app also provides live journey tracking and trip information.

FlixBus buses offer amenities designed for comfortable travel, including free Wi-Fi on most services, power outlets, extra legroom, and onboard toilets. Each passenger may bring one carry-on bag and one stowed item of luggage. The company promotes collective bus travel as a way to help limit per-passenger emissions compared with more carbon-intensive transport options. FlixBus also describes efforts to improve environmental standards and test alternative drive and fuel technologies, with longer-term emissions goals for Europe and globally.