The low-cost carrier said cancellations and delays caused by staff shortages at airports and in the air had cost it £133m over its latest quarter to the end of June.
EasyJet said its operations had now “normalised” after frantic cuts to its schedules since the end of COVID pandemic restrictions on travel.
Heathrow, which has also struggled to match a recovery in demand, painted a similar picture for its own ability to manage crowds through the summer rush.