The extra 737-800s are in addition to the 27 parent company Dart Group said it was purchasing in September.
The acquisition of the aircraft will support the future anticipated growth of Jet2.com and Jet2holidays increasing capacity to popular destinations across the Canary Islands, mainland Europe and the Mediterranean, as well as a host of city breaks.
Philip Meeson, executive chairman said: "We are very pleased to have finalised this order of an additional three Boeing 737-800NG aircraft.
“This is an exciting time for Jet2.com as we invest further in our next phase of expansion to further grow our already highly successful family-friendly leisure travel business.”
