Yes, the Sibos 2025 participant pass includes a free public transport travel pass within Frankfurt’s city districts (fare zone 5000) and Frankfurt Airport. This includes all buses, trams, subways and commuter trains (S-Bahn) operating within this zone. Timetable and network map information can be found here. 

Note, long-distance trains such as ICE services between Frankfurt Airport and the central railway station are not included.