EasyJet holidays has extended cancellations until March 24.
The operator blamed ongoing restrictions on international travel as a result of the current lockdown.
Breaks up to the end of February have already been cancelled as a result of the lockdown announcements made on January 4, “to help support and give as much certainty as possible to customers with upcoming holidays”.
The company has now started contacting customers with holidays booked up to and including March 24 to let them know their holiday is cancelled.
Affected customers will be offered the option to change their hoiday online, receive a credit or a refund.
Those with holidays booked beyond March 25 are covered under a ‘protection promise’ enabling customers to change or defer their trip online up to 28 days before they are due to travel without incurring fees.
EasyJet holidays has also contacted its travel agent partners to advise of the new cancellation date.
Any customers with bookings made via an agent will be covered under the flexible booking options which the company has shared with its trade partners.
Customer director Matt Callaghan said: “We know this news will be disappointing. But we want to give our customers as much flexibility and choice as possible so they can decide what is best for them.
“We’re really proud that, where we’ve needed to cancel holidays, we’ve been able to process refunds in an average of 12 days. We’ll continue to do the right thing for customers.
“And for any customers wanting to change their holiday or make a new booking, we’ve got holidays on sale all the way through to March 2022.
“We know there is light at the end of the tunnel with the vaccine. We can’t wait to take people on well-deserved holidays just as soon as it’s possible for us to do so.”
The budget carrier is continuing to fly a number of domestic routes from London, Bristol, Birmingham, Liverpool, Newcastle, Belfast and Scotland and international services from Gatwick to Lanzarote, Malaga, Alicante, Funchal, Geneva, Milan and Tenerife.