The Derry-Palma route, which is operated by Travel Solutions, has been cancelled without a single flight ever taking off.
Travel Solutions said: “Our team have been reaching out to passengers booked and they have been offered alternative holidays, both from City of Derry and from Belfast airports,” .
Some of those impacted have decided to cancel and will receive a full refund, a spokesperson added.
Managing director at City of Derry Airport, Steve Frazer, said in a statemen they “understand the difficult decision” Travel Solutions has had to make on the cancellation of the nine Palma flights due to depart from City of Derry Airport this summer.
“We recognise this is upsetting news for those across our local catchment area who were booked to travel.”
Mr Frazer confirmed that the Travel Solutions holiday charter services from City of Derry Airport to Faro in Portugal will operate as scheduled this summer with the first flight taking off on Monday 20 May.