Jet2.com is to create up to 50 new jobs in Belfast.
The leisure airline is seeking pilots, cabin crew and engineers across the UK.
It flies to 17 destinations from Belfast International Airport.
Steve Heapy, chief executive officer of Jet2.com and Jet2holidays, said: "Our family-friendly formula is clearly working with customers and it means that we're one of the UK's fastest growing airlines.
"We have exciting plans to expand the number of destinations we fly to, as well as the number of UK bases we fly from, and this means that our team is growing all the time too."