The revised policy means those who now cannot meet new entry requirements for Spain by providing proof of vaccination status for children aged 12-17 can cancel and receive a full refund.
The operator said it was responding to uncertainty latest changes to entry rules have created.
It is also extending its offer for customers travelling to all destinations between 18 and 31 December 2021 to amend their holiday fee free or to cancel for easyJet holidays credit.
