Which terminal

 

There are four Terminals at "Leonardo da Vinci" di Roma - Fiumicino Airport:

TERMINAL 1 - Domestic Flights, Schengen Area and Alitalia Medium-Haul Flights. Domestic and Schengen Area flights operated by KLM, Air France Hop!, Air Europa, Luxair, Compagnie Aérienne Corse Méditerranée S.A.E.M., Etihad Regional-Darwin Airlines, Air Berlin, Niki and Air Serbia.

TERMINAL 2 -  Domestic flights, Schengen and non-Schengen by Ryanair, Wizzair, Blue Air, Air Moldova, Sun Express and Meridiana, except for long haul flights and flights to Olbia operating from T3.

TERMINAL 3 - Domestic flights, Schengen and Non-Schengen

TERMINAL 5 - Direct flights to the United States and Israel operated by American and Israeli airline companies.
 

There is a free airport shuttle service available year round, running every fifteen minutes (from 1:00am to 5:00 am service is available upon request by using the intercom located at every shuttle stop). It connects the airport, the car parks managed by Aeroporti di Roma and the Cargo City area.