Sunday, October 8th (Sunday), 2017 TGV Paris - Morlaix TGV 8615 : 11h56-15h07 Connection at Morlaix by train for Roscoff TER55039 : 15h20-16h07
Return : October 13th (Friday) , 2017 Connection at Roscoff by train for Morlaix: TER55010 : 12h16-13h03
TGV Morlaix - Paris TGV 8630 14h56-18h04
Roscoff is a 45 minutes drive from Brest airport.
There is a shuttle between the Brest airport and the Brest bus and train stations (20 min), see here. From Brest main bus station, you can reach Roscoff with buses 21 and 25 (connection at Lesneven).