How long does the ferry from Athens to Santorini take?

Blue Star Ferries (conventional ferry) takes 7.5–9 hours depending on the route and intermediate stops. High-speed catamarans (Seajets, Golden Star Ferries) take 4.5–5 hours. The difference: Blue Star runs overnight (departing Piraeus around 17:00–20:00, arriving Santorini before sunrise) which effectively saves you a night's accommodation. High-speed runs during the day and lets you see the Cyclades from deck.

How much does the Athens to Santorini ferry cost?

Blue Star deck passage: €35–45. Blue Star reserved aircraft-style seat: €50–60. Blue Star basic cabin (4-berth): €80–120 per cabin. Seajets/Golden Star high-speed: €70–95 for a standard seat. Prices vary by season, booking lead time, and operator. Book 4–8 weeks in advance in summer for best prices and cabin availability. Last-minute tickets exist but cabins sell out first.

What port in Athens does the Santorini ferry leave from?

Piraeus, specifically the E1 or E2 gates at the main Piraeus ferry terminal. Blue Star Ferries leaves from Gate E1 (the main overnight ferry terminal). High-speed catamarans usually depart from the Hellenic Seaways/Seajets terminal at Piraeus or occasionally from Rafina port (1 hr east of Athens city centre). Always check your ticket for the exact gate — Piraeus is a large port with multiple departure points.

Should I take the overnight or day ferry to Santorini?

For most travellers, the overnight Blue Star is the better choice. You save a night's accommodation, arrive fresh in the morning, and have a full first day on Santorini. The overnight crossing is also usually calmer (Meltemi winds are weakest at night). The day crossing on a high-speed cat is more exciting visually — you see the Cyclades — but if Meltemi is blowing (July–August), the crossing is rough and the journey is uncomfortable.

Is the Athens to Santorini ferry rough?

It can be. The open Aegean south of Mykonos is fully exposed to the Meltemi (the prevailing north wind in July–August). During strong Meltemi periods (Beaufort 6–7), the crossing is rough and even the large Blue Star ferries roll noticeably. High-speed catamarans are cancelled entirely in strong conditions. The route is calmest in May–June and September–October. Always check the Beaufort forecast on Teleporio before booking a non-refundable ticket.

Teleporio™ — Greek Island Travel Intelligence

Athens to Santorini Ferry Guide

Everything about the Athens Piraeus to Santorini ferry. Operators, journey times, prices, overnight vs day crossing, Beaufort conditions and George's tips.

Reviewed by Georgios — Teleporio™ route intelligence guide — Updated 2026-06-23

The Route: Piraeus to Santorini (Thira)

The Athens to Santorini ferry departs from Piraeus, the main Athens port, not from the city centre. The port is accessible by metro (Green Line, Piraeus station) in 35 to 40 minutes from Syntagma Square. The ferry arrives at the port of Athinios on Santorini — a functional car port at the base of the caldera cliffs, not the scenic ferry arrival of older photographs. From Athinios, buses and taxis reach the main villages.

Journey Times

Conventional ferry (Blue Star Ferries, Anek Lines): 7.5 to 9 hours, typically overnight. These are large vessels with cabins, aircraft-style seats, restaurants, and deck space. The overnight crossing is comfortable on a cabin booking and arrives in Santorini at a practical early morning hour. High-speed ferry (SeaJets, Seaways): 4.5 to 5.5 hours, daytime departures. Faster but significantly more expensive, more susceptible to Beaufort cancellation, and noisier onboard.

Conventional vs High-Speed: Which to Choose

The overnight conventional ferry is the better choice for most travellers, for several reasons. You save an accommodation night in Athens. You arrive rested and early, with the full Santorini day ahead. The vessels are larger and more stable in Meltemi conditions. Cabin tickets cost less than a mid-range Athens hotel plus a daytime ferry ticket. The trade-off: cabin bookings must be made in advance, particularly in July and August when the overnight runs sell out.

Beaufort Conditions on This Route

The Santorini crossing involves open Aegean sea exposure, particularly in the southern Cyclades approaches. The Meltemi wind, active from late June through early September, regularly produces Beaufort 6 to 7 on this route, causing catamaran cancellations and occasional delays for conventional ferries. Checking the marine forecast for the Cyclades sea area (from the Hellenic National Meteorological Service) the evening before departure is standard practice for experienced Greek ferry travellers.

Port Logistics at Athinios

Athinios is a working car port with limited shelter. Arriving passengers join a bus or taxi queue from the disembarkation ramp. In peak season (July and August), the bus queue can be 30 minutes; taxis are available at slightly higher rates. Book accommodation with a transfer service if arriving with heavy luggage. The port has a small cafe and basic facilities but is not a place to spend time — move directly to your destination.