History, hotels, traffic, sightseeing and more. Check out the Airline register , Arrival Information , Terminal map , flight connections here. There are several ways to get to Heidelberg from Frankfurt.
Trains leave directly from the airport.
You may need to switch trains at the Frankfurt main station or Mannheim. It leaves approximately once an hour, depending on the time of day, seven days a week between 4am and 9pm. Price is 36 marks each way. Again, a taxi ride of less than 10 marks from their to the institute. See schedule here.