Ferries from Guernsey to St Malo can peak at up to 2 daily sailings, Sailing frequency typically peaks in the summer months, with approximately 8 departures offered each week. While schedules may be reduced from Guernsey to St Malo in other seasons, ferry services are often still available.

Ferry travel from Guernsey to St Malo on average typically takes 7h 20m. The earliest ferry usually leaves from Guernsey at 07:30, arriving to St Malo at 07:15 The latest ferry departs at 19:15 and arrives at 21:15.