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waypoints / 🇬🇷 GR / Piraeus-Athens – Santorini (Thira) Timings are not live · Documented
Route · GR

Piraeus-Athens to Santorini (Thira)

3 operators run this water, from 5 h 35 to 10 h 35 — a difference of 5 h 00 on the same crossing.

Every way across

One row per operator and speed. Where a service is sold as fast and its average does not clear 45 km/h, the word appears in quotation marks — the boat is fast craft, the crossing is not.

SeaJets Piraeus-Athens → Santorini (Thira) fast crossing 5 h 35 "fast" 3× daily
Blue Star Ferries Piraeus-Athens → Santorini (Thira) conventional crossing 7 h 45 daily
Cyclades Fast Ferries Piraeus-Athens → Santorini (Thira) fast crossing 10 h 35 "fast" rate not held

Other ways to reach Santorini (Thira)

If this crossing does not suit, these quays also reach Santorini (Thira) without a change. It is the question a single-route page cannot answer about itself and an atlas can.

Ios – Santorini (Thira) 40 min Blue Star Ferries, Cyclades Fast Ferries
Folegandros – Santorini (Thira) 45 min Cyclades Fast Ferries, SeaJets
Anafi – Santorini (Thira) 1 h 15 Blue Star Ferries
Katapola – Santorini (Thira) 1 h 15 SeaJets, Small Cyclades Lines
Naxos – Santorini (Thira) 1 h 25 Blue Star Ferries, Golden Star Ferries
Heraklion – Santorini (Thira) 1 h 35 Blue Star Ferries, SeaJets
Paros – Santorini (Thira) 1 h 50 Blue Star Ferries, Golden Star Ferries
Milos – Santorini (Thira) 1 h 55 Cyclades Fast Ferries, SeaJets
Mykonos – Santorini (Thira) 2 h 20 Blue Star Ferries, Golden Star Ferries

And other ways to reach Piraeus-Athens

Aegina – Piraeus-Athens 35 min Aegean Flying Dolphins, Aegina Ferries
Agistri – Piraeus-Athens 50 min Aegean Flying Dolphins, Magic Sea Ferries
Methana – Piraeus-Athens 50 min Aegean Flying Dolphins, Magic Sea Ferries
Poros – Piraeus-Athens 1 h 05 Aegean Flying Dolphins, Alpha Lines
Hydra – Piraeus-Athens 1 h 10 Alpha Lines, Blue Star Ferries
Kythnos – Piraeus-Athens 1 h 35 Aegean Sea Lines, Cyclades Fast Ferries
Spetses – Piraeus-Athens 1 h 50 Alpha Lines, Blue Star Ferries
Syros – Piraeus-Athens 2 h 05 Blue Star Ferries, SeaJets
Ermioni – Piraeus-Athens 2 h 20 Blue Star Ferries, Hellenic Seaways
Tinos – Piraeus-Athens 2 h 25 Blue Star Ferries, SeaJets

Where else these quays go

Also from Piraeus-Athens

Aegiali · Aegina · Agios Kirikos · Agistri · Alicante (Bus Station) · Amorgos · Anafi · Andros · Antikythira · Aqaba · Astypalea · Barcelona · Bari (FS Park Via Capruzzi) · Benoa

Also from Santorini (Thira)

Anafi · Andros · Athens (Rafina) · Chalki · Diafani · Folegandros · Heraklion · Ios · Karpathos · Kasos · Katapola · Kea · Kimolos · Kos

Which months this runs

Season not heldwe can say when we looked, not which months run

Our records for the Piraeus-Athens–Santorini (Thira) crossing were read on 11 August 2026 and describe the network as it ran that week. We hold no month-by-month variation, so this page cannot tell you whether a crossing runs in February.

If you are travelling well outside August 2026, confirm with the operator before you plan around it.

What we do not know

No fares. The choice between SeaJets at 5 h 35 and Cyclades Fast Ferries at 10 h 35 is mostly a price decision, and we hold no prices for either.

No departure times. A weekly rate is a lower bound on how often the crossing runs — never a clock.