It is easy to reach Messe Frankfurt using public transportation.
… continuing by S-Bahn / suburban train
Take the S3 line heading towards Bad Soden, the S4 line heading towards Kronberg, the S5 line heading towards Bad Homburg/Friedrichsdorf or the S6 line heading towards Friedberg/Groß Karben. After two stations you will reach the "Messe" stop. Enter the exhibition grounds at the "Torhaus" entrance.
All admission tickets (except complimentary tickets) include free travel using local public-transport services operated by the RMV public-transport authority throughout the entire area covered by the authority. Tickets purchased on arrival at the fair only entitle the user to travel back from Frankfurt Fair and Exhibition Centre free of charge.
Please note: Vouchers must be exchanged for an admission ticket on the internet to be able to use local public-transport services operated by the RMV public-transport authority to and from the fair. Only visitors who have exchanged their voucher for an admission ticket are entitled to use these local public-transport services free of charge. Please note that online tickets are only valid for use on local public-transport services operated by the RMV public-transport authority in combination with a valid identity card or passport.
Information about the RMV (Local public transport)