The most frequent ferry connection to Corfu is from Igoumenitsa which works every day from 5 am to 10 pm. The trip from Igoumenitsa takes about 1 and ½ hours. Alternatively you can take the route to lefkimi(South) which will take you about an hour.
You can check the ferries schedules from Igoumenitsa on the following number through an automated phone system. (+30) 26613 65300.
There are also ferries from Patras and Italy, especially Bari, Ancona and Venice.
Below you can find some usefull links to find ferry schedules, ticket fares and availability for ferries to Corfu. Also you will find suggestions for an excellent trip and for saving money and time.