The french railroad system (SNCF) opeates TGV (high speed trains) to RENNES.

1) From PARIS (Montparnasse station) to RENNES every hour

(2 hours trip to Rennes).

A regional train (TER) is connecting Rennes to Saint Malo within 50 minutes.

The connection between the two trains is very easy.

2) From Charles de Gaulle Airport directly to RENNES

with connection to Saint Malo.

(4 hours trip to Saint Malo)

For example:

on october 19, TGV 5216 leaves at 10h27 and arrives at 13H25 in Rennes

Regional train TER 54407 leaves at 13:34 and arrives in Saint Malo at 14:34

on october 19, TGV 5224 leaves at 13h38 and arrives at 16H24 in Rennes

Regional train TER 54339 leaves at 16H31 and arrives in Saint Malo at 17H30

on october 20, TGV 5214 leaves at 10h27 and arrives at 13H25 in Rennes

Regional train TER 54407 leaves at 13:34 and arrives in Saint Malo at 14:34

on october 20, TGV 5224 leaves at 13h38 and arrives at 16H24 in Rennes

Regional train TER 54343 leaves at 17H19 and arrives in Saint Malo at 18H22