Cheap Ferry tickets to Nisiros

What are the most popular routes to Nisiros?

Kos - NisirosAverage pricePLN 46Average duration1h 40mDaily departures2
Simi - NisirosAverage pricePLN 60Average duration3h 30mDaily departures2
Kalimnos - NisirosAverage pricePLN 34Average duration3hDaily departures1
Astipalea - NisirosAverage pricePLN 55Average duration3h 10mDaily departures1
Kastellorizo - NisirosAverage pricePLN 118Average duration5h 10mDaily departures1