Originally Posted by
AnnaF
You can take a train, I just looked putting in a random Saturday and it was only 31 Euros for the ICE. It takes 4:13 from Frankfurt Main station to Berlin Main station. I've only been to the airport in Frankfurt so I'm not sure how long it takes to get to the main station from the airport.
From FRA airport to the main station is just a 10 min ride by train.