Ferries from Symi to Kalymnos can peak at up to 2 daily sailings, Sailing frequency typically peaks in the summer months, with approximately 7 departures offered each week. While schedules may be reduced from Symi to Kalymnos in other seasons, ferry services are often still available.

Ferry travel from Symi to Kalymnos on average typically takes 2h 5m. The earliest ferry usually leaves from Symi at 08:50, arriving to Kalymnos at 10:50 The latest ferry departs at 19:40 and arrives at 23:10.