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

Ferry travel from Leros to Karlovasi on average typically takes -. The earliest ferry usually leaves from Leros at -, arriving to Karlovasi at - The latest ferry departs at - and arrives at -.