Jet2.com and Jet2holidays have unveiled their Summer 2026 programme to Greece, offering an unprecedented three million seats across 110 routes. This expansion includes six new routes and five exclusive ones, connecting 12 UK airports to 14 Greek destinations.The companies will operate over 315 weekly flights, catering to demand from British holidaymakers eager to secure their Greek getaways in advance. This early release marks a first for UK airlines and tour operators allowing customers to book their summer holidays earlier than ever before.The companies will operate over 315 weekly flightsGETTYThe new programme introduces six exciting routes, including exclusive offerings from Bournemouth to Kos, East Midlands to Preveza and Halkidiki, Edinburgh to Kalamata, and Newcastle to Preveza. The additions cater to diverse traveller preferences across the UK.Jet2.com and Jet2holidays are deploying an expanded fleet, featuring more of their brand-new Airbus A321neo aircraft. These planes boast impressive environmental credentials, being over 20% more fuel-efficient than older models and producing a 50 per cent lower noise footprint.Steve Heapy, CEO of Jet2.com and Jet2holidays, commented: “Customers are telling us they want to book ahead and secure that all-important holiday to Greece.”We have responded to that demand by putting our biggest ever Greek Summer programme on sale for 2026, earlier than anyone else and earlier than ever before.””Greece is a critical strategic destination for us, and we will continue working in partnership with partners, airports, hoteliers and municipalities across Greece to celebrate this magnificent destination so that we can bring more holidaymakers to experience its magic.”It comes as Jet2.com and Jet2holidays launched their first flights to Morocco, earlier this month. Britons can now explore the new destination “as a fantastic escape from the gloomy UK weather”.LATEST DEVELOPMENTSJet2 passengers can fly from the West Midlands to HalkidikiGETTYThe new routes to Agadir and Marrakech from multiple UK airports offer year-round availability, catering to the growing demand for cultural destinations and “guaranteed sunshine”.The inaugural flights to Agadir took off on October 3 from Birmingham, Leeds Bradford, London Stansted and Manchester. Additional services from Bristol and Glasgow will launch in the coming weeks.Marrakech routes are launching from Birmingham, Manchester and London Stansted on October 4, with Glasgow following suit in November.