Workers at Bologna, Venice, Milan Linate, Milan Malpensa and Rome Fiumicino airports will walk out from 1pm to 5pm on Friday (5 July), while staff at the Calabrian airports of Reggio Calabria, Lamezia Terme and Crotone will strike for a full 24 hours.
Airport authorities have warned passengers to expect delays and cancellations, and urged them to check the status of their flights with their airlines before heading to their departure airport.