Ferries from Koufonisi to Milos can peak at up to 2 daily sailings, Sailing frequency typically peaks in the summer months, with approximately 9 departures offered each week. While schedules may be reduced from Koufonisi to Milos in other seasons, ferry services are often still available.

Ferry travel from Koufonisi to Milos on average typically takes 4h 40m. The earliest ferry usually leaves from Koufonisi at 12:40, arriving to Milos at 17:10 The latest ferry departs at 15:35 and arrives at 20:45.