Long distance travelers may get to FIAS by plane via Frankfurt Airport, one of the biggest air traffic hubs in Europe and servicing many international airlines. For planning and booking of flights, please refer to your local or online travel agency. For departure/arrival information, please refer to the website of Frankfurt Airport.
From Frankfurt Airport to FIAS by Public Transport
To get to FIAS from Frankfurt Airport regional train station (Regionalbahnhof), take S-Bahn S8 or S9 to station Hauptwache (inner city), then change to U-Bahn U8 and exit at Uni Campus Riedberg after a total ride of about 40 minutes. Alternatively, from station Hauptwache, you may take U-Bahn U3 and exit at station Niederursel, then either take a 10 minutes walk uphill, or change to U-Bahn U8 or U9 and exit at station Uni Campus Riedberg.
During daytime the trains of U8, U3, and U9 run four times per hour each, details can be found here.
Source of information: Rhein-Main-Verkehrsverbund (RMV), the regional transport provider.