Luton Airport looks set to be sold for around £400m.
The airport handled 9.6 million passengers last year and will be, subject to regulatory approval, Aena's fifth largest airport.
Aena executive chairman Jose Manuel Vargas said: "We aim to substantially build up Luton in consultation with all its stakeholders."
More top news
Pubs in Norwich, Lowestoft and Cambridge will play host to the Pint of Science Festival.
Pop star Ed Sheeran has granted a terminally ill boy his dying wish by meeting him backstage.
There will be a mixture of sunny spells and scattered heavy showers