Frankfurt am Main Airport (FRA) to Berlin Südkreuz station train with Deutsche Bahn (ICE,RE,RB)

Deutsche Bahn is a German train company that operates trains throughout the country including trains between Frankfurt am Main Airport (FRA) and Berlin Südkreuz station. It offers a wide range of services, including high-speed InterCity Express (ICE) trains, regional trains, and night trains. ICE trains are the fastest and most comfortable way to travel, with speeds of up to 300 km/h. Regional trains are slower but offer more frequent stops and are ideal for shorter trips. Night trains are a great way to save time and money, with comfortable sleeping compartments and couchettes. Deutsche Bahn offers a variety of ticket types, including single tickets, day tickets, and group tickets. Onboard facilities include free Wi-Fi, power outlets, and a variety of food and beverage options. The most popular routes for Deutsche Bahn are between major cities such as Berlin, Munich, Hamburg, and Frankfurt. Other popular routes include Cologne to Stuttgart, Berlin to Dresden, and Hamburg to Cologne.

FlixTrain is a German train company which is part of FlixMobility, the company who own FlixBus. Since 2018, FlixMobility has also offered the option of train travel to some of the largest German cities like Hamburg, Cologne, Stuttgart and Berlin including trains to Berlin Südkreuz station from Frankfurt am Main Airport (FRA). FlixTrain has high speed comfortable trains with a guaranteed seat, foot space, reading lamp and a luggage rack to store your belongings as well as sockets on most trains and free Wi-Fi for all passengers. The most popualr routes in Germany for FlixTrain are from Berlin to Hamburg, Frankfurt to Stuttgart and Cologne to Hamburg. They also offer trains on the Sotckholm to Gothenburg route in Sweden.