The carrier will operate routes from the airport to Birmingham, Edinburgh, Exeter, Glasgow, Leeds Bradford and Manchester airports.
The new routes form part of a long-term deal reached between Emerald Airlines and Belfast City Airport to establish a new home-based carrier at the airport with "ambitious growth plans".
Conor McCarthy, chief executive of Emerald Airlines, said the company is "eager" to build on the announcement, with new flights and destinations to follow "in the near future".
