Travel from Berlin to Paris by ICE, Eurostar and TGV high-speed-trains. The ticket price starts at 35 EUR. The journey time is eight hours.
There is a direct train connection from Berlin to Paris during the day. The departure is at 11:54 h. at Berlin Central Station ("Berlin Hbf"). Arrival at "Paris Est" station is at 19:59 h. There are also several daily connections with a change in Cologne or Frankfurt. You can buy your train ticket from 59 EUR.
A very comfortable option that also saves you the cost of a hotel stay is to travel on the "ÖBB nightjet" night train. Departure from "Berlin Hbf" is at 20:18 h. Arrival the next morning in "Paris Est" is at 10:24 h. You can buy your train ticket from 35 EUR. However, this night train does not run daily. If you want to travel on a day when the direct night train from Berlin to Paris does not run, you can optionally take the daily night train from Berlin to Basel (from 35 EUR). There you change to the TGV to Paris (from 35 EUR).