What's the smartest way to use public transit in Santorini?
The island's public bus network, KTEL Santorini, is genuinely functional and costs €1.80–2.50 per ride regardless of distance. The central hub is Fira Bus Terminal, and from there you can reach Oia, Perissa, Perivolos, Kamari, Akrotiri, and the port at Athinios on direct lines. Frequency on the Fira–Oia corridor runs every 30 minutes in peak season, less so in shoulder months. Buy tickets on the bus with cash. The catch is timing: buses to and from Oia around sunset become genuinely chaotic, and the last service back to Fira typically runs around 11 PM, which cuts evening plans short. For anything after midnight or for the port at odd hours, negotiate a taxi in advance or use a transfer service booked through your accommodation. Walking the caldera path between Fira and Oia (roughly 10 km) is a legitimate alternative when the weather is reasonable, and it bypasses the bus crowds entirely.
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