Arrival via Frankfurt Airport

Train connection to/from Frankfurt Main Station
Braunschweig - Frankfurt approx. every 60 minutes (ICE)
Frankfurt - Braunschweig approx. every 60 minutes (ICE)
Traveling time: approx. 2.45 hours
340 km

To/from airport
Tram: Frankfurt Main Station - airport and back every 15 minutes
Traveling time: 12 minutes