The airline on Thursday (18 May) recorded a headline pre-tax loss of £421 million during the six months to 31 March 2023 (H1), up from a loss £540 million a year earlier.
EasyJet holidays, meanwhile, achieved a £10 million H1 headline profit before tax, up from a £5 million loss during the same period last year.
Chief executive Johan Lundgren said the group would "enter the summer with confidence", buoyed by "strong demand" for its flight and holiday product.