Kuwait Airways, Kuwait national carrier already signed a deal with Airbus for orders 15 A320neo and 10 A350-900 XWB planes.
"We have signed a letter of acceptance with Airbus to buy 15 A320neo and 10 A350-900," Nasef told a news conference, adding that KAC has an option to buy five additional planes from each category.
Delivery of the A320neo will start in 2019 while the others should arrive in 2020, chairman Sami al-Nasef said.
He said that KAC, a state-owned company that is undergoing privatisation, has received the government's approval for the deal.