By plane
By plane
From Athens, there are 2 flights every day, year round that go to Milos, all with Olympic Air (http://www.olympicair.com...).
By ship
By ship
Several ferries go to and from Milos. Some possibilities:
Pireaus-Milos-Crete Anek
Pireaus-Kythnos-Serifos-Sifnos-Kimolos-Milos Ventouris Sea Lines
Pireaus-Milos-Folegandros-Sikinos-Ios-Santorini Lane
Schedules can be found at (http://www.gtp.gr) or (http://www.ferries.gr/booking/)