Cagliari Elmas Airport (CAG)
Cagliari Elmas Airport is located 6 kilometres northwest of the city. The easiest way to reach it from Cagliari is by train with the "Elmas Aeroporto" line. Trains run every 20 minutes from 5am to 9pm. The trip takes around 7 minutes and the stop is only a 5-minute-walk from the terminal. Tickets are available at the station and on the Trenitalia website.
You can also get to the airport by bus. Buses leave from Piazza Matteotti every hour, and the trip lasts around 15 minutes. Inside the airport, you will find two bus stations: one near the arrivals hall (open from 8:40am until 11:30pm), and the other next to departures (open from 5:20am to 10:30pm). Normally, buses leave every 30 minutes. The tickets are available at the newsstand in the airport.
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