The airline and operator on Wednesday (8 January) set out full details of its plans, which include six new destinations – Mykonos, Skiathos, Santorini, Kalamata, Preveza and Lesbos.
Jet2 will operate to 14 Greek destinations in total, and has placed more than a dozen new routes on sale for summer.
At peak times, Jet2 will operate more than 220 weekly flights, an increase of more than 50% on last year with in excess of 70 new weekly services available for agents to book.
The business said the expansion underlined its "commitment to Greece, its economy and tourism industry".