Cheap Ferry tickets to Kos

What are the most popular routes to Kos?

Rhodes - KosAverage priceR 444Average duration2h 40mDaily departures2
Leros - KosAverage priceR 710Average duration1h 25mDaily departures2
Bodrum - KosAverage priceR 504Average duration30mDaily departures4
Simi - KosAverage priceR 266Average duration4h 20mDaily departures2
Nisiros - KosAverage priceR 205Average duration1h 15mDaily departures2