The cheapest way to the airport. Nothing listed is quicker.
Regional train from Fontanarossa station
Regionale · TrenitaliaPickup, hours & luggage
Boards at. Catania Centrale, any train towards Siracusa, Caltagirone or Gela that calls at Catania Aeroporto Fontanarossa
EUR 2.20 for the train, children the same. The shuttle from the terminal to the station is EUR 1.40 when sold with the train ticket as "Catania Aeroporto Fontanarossa Bus", or EUR 1.00 bought on its own; walk the 600 m footpath and pay nothing extra.
Luggage. An ordinary regional train with racks; no luggage charge.
Hours. About 10 minutes to the airport station, one to three trains an hour. The shuttle from the station to the terminal runs until 22:40; after that walk the 600 m.