There are 2 options: i) You can book tickets on the day using a ticket machine at the station. ii) You can book online in advance.
People Also Ask
Deutsche Bahn (DB Navigator)The Deutsche Bahn Navigator is a must-have public transportation app for anyone traveling in Germany. It provides up-to-date information on train schedules, buses and trams. You can also use the app for ticket purchases and to check fares. The best part?
With the BahnCard you can save 25 % on train fares to many European countries for cross-border travels (RailPlus). Please note: The discount is only applicable for the journey from Germany to some destinations of the participating countries, and back to Germany.
Another thing to bear in mind is that Deutsche Bahn will raise the prices of Sparpreis tickets for certain routes depending on demand, so it's highly recommended that you book your ticket as far in advance as possible.
Seat reservations are optionalIt's not usually necessary to reserve a seat on German trains, you can just get on and sit i9n any empty unreserved seat. However, it's a good idea at busy times such as Fridays.
If you do have Saver/Super-Saver tickets and you manage to make the first train but get to Karlsruhe late, your missing the connecting train is the fault of the Bahn, and they will make it up to you.