The potential new owner of Aer Lingus, IAG, has posted a 40% increase in operating profits.
They rose to just over €526m in the three months to June.
The firm is putting the rise down to lower fuel prices and cost cutting.
Chief executive Willie Walsh said they are looking to make further savings without reducing jobs.
He said: "There are significant costs associated with activities that suppliers provide to us.
"We believe that there are opportunities through the use of greater technology, improved technology, new technology to improve our performance.
"We are not just looking at costs related to employees."