Getting from Athens to Santorini is one of the most common travel decisions in Greece, and one that genuinely depends on your priorities rather than having a single right answer. The flight takes 45 minutes. The ferry takes 4.5 to 8 hours depending on which service you choose. Both are reliable, both have meaningful trade-offs, and the right answer for most travelers is not the one that saves the most time.
This guide covers both options in full — the specific services, the booking process, the realistic costs, the practical experience of each, and the factors that should tip your decision one way or the other.
The Two Options at a Glance
Flying from Athens International Airport (ATH) to Santorini (Thira, JTR) takes approximately 45 minutes. Airlines serving the route include Aegean Airlines, Olympic Air, Ryanair, and easyJet. Several flights operate daily in the summer season, fewer in winter. Flight prices vary enormously by booking window and season — from as little as €40 one way in shoulder season to €200+ at peak summer prices.
The ferry from Piraeus port (Athens’s main port, 30–45 minutes from central Athens by Metro) operates daily year-round. There are two categories of service: high-speed ferries operated by Seajets, Golden Star Ferries, and others, which take approximately 4.5 to 5.5 hours; and conventional overnight ferries operated by Blue Star Ferries, which take 7.5 to 9 hours but offer cabin berths, making the journey a practical overnight option. Prices range from approximately €35 for deck class on a conventional ferry to €90+ for a cabin on a high-speed service at peak times.
The Case for Flying
Flying from Athens to Santorini is the right choice for travelers whose time is genuinely limited and who would rather spend an additional four hours on the island than on a ferry. If you have two nights in Santorini and you arrive on a flight rather than a ferry, you gain a full extra afternoon. That is a meaningful difference on a short trip.
Flying is also the more reliable option in rough weather. The Aegean can be challenging in certain sea conditions, particularly in late autumn and winter, and ferry cancellations do occur. Flights are rarely cancelled for weather on this route in summer. If your trip to Santorini is time-sensitive — a special occasion, a specific dinner reservation, a departure connection — flying removes the weather uncertainty.
Santorini’s airport is small and manageable. Arrivals and departures are simple. Getting into Fira or Oia from the airport takes 15–20 minutes by taxi, which costs approximately €15–20. Airport buses also run to Fira. The logistics of flying are simpler than the logistics of the ferry.
The environmental consideration is real. Flying Athens to Santorini produces significantly more carbon per passenger than taking the ferry. For travelers who are conscious of their environmental impact, this is a legitimate reason to prefer the boat.
The Case for Taking the Ferry
The ferry from Piraeus to Santorini is one of the best travel experiences in Greece. Arriving in Santorini by sea — watching the island’s black volcanic cliffs emerge from the water, entering the caldera, and seeing the famous white clifftop villages of Oia and Fira grow clearer as the ferry approaches the port at Athinios — is an experience that simply does not exist if you fly. You land at an airport that looks like every other airport. You arrive by ferry to one of the most dramatic harbors in the world.
For most travelers on their first visit to Santorini, the ferry arrival is the better experience by a significant margin. The approach to the island communicates its geography in a way that no photograph does. Santorini is a flooded volcanic caldera — a ring of cliffs surrounding a sunken volcanic basin — and arriving by sea makes that geology immediate and visceral. It is also, practically, beautiful.
The journey itself, particularly on a high-speed catamaran, is comfortable and scenic. The ferry passes other Cycladic islands — Paros, Naxos, Ios — giving a sense of the island geography of the Aegean that a flight cannot provide. In good weather, traveling on deck for part of the journey is genuinely enjoyable.
The high-speed ferries (4.5–5.5 hours) are not a hardship. They have comfortable seating, food service, and outdoor deck areas. On a calm day in late spring or early autumn, the journey is a pleasure rather than an obligation.
The Overnight Ferry Option
Blue Star Ferries operates a conventional overnight service from Piraeus to Santorini (and continuing to other Cycladic islands). The journey takes approximately 7.5–9 hours. Cabin berths are available in 2-berth and 4-berth configurations, and the cabins are functional rather than luxurious — closer to a modest ship cabin than a hotel room.
The overnight ferry is worth considering for several practical reasons. It saves a night’s accommodation cost, which in Santorini is not trivial — the island has some of the highest hotel prices in Greece, particularly for properties with caldera views. Arriving by overnight ferry means you wake up at sea, disembark in the morning, and have a full day on the island without spending the previous night or a flight day in transit.
The overnight ferry is also a more comfortable experience than its slower speed might suggest. Dinner on board, sleeping in a cabin, and arriving with a cup of coffee as the island comes into view is one of the more agreeable ways to travel in the Mediterranean. It is not glamorous, but it is not unpleasant, and the economics are compelling.
The trade-off is the arrival time. Overnight ferries typically reach Santorini between 5am and 7am. If you arrive before your accommodation check-in time, you will need to store luggage and wait — which is manageable in Fira but less convenient elsewhere on the island. Building some flexibility into your first Santorini morning is essential if you use the overnight ferry.
Which Ferry Company and How to Book
Ferries from Athens to Santorini depart from Piraeus Port, specifically from Gate E1 for most conventional ferries. Getting to Piraeus from central Athens is straightforward — the M1 Metro line (green line) runs directly from central Athens to Piraeus station in approximately 35 minutes. Allow additional time to walk from the Metro station to the correct gate within the port, which is larger than it might appear on a map. Give yourself at least 60 minutes from Piraeus Metro station to boarding.
The main operators on the Athens–Santorini route are:
Blue Star Ferries (bluestarferries.com) — the most reliable conventional ferry service, with daily departures year-round from Piraeus. The larger ships are stable in most sea conditions. Book online in advance, particularly for cabins in peak season.
Seajets (seajets.gr) — the main high-speed operator, with multiple daily departures in summer. Journey time approximately 4.5–5.5 hours. Faster but more affected by rough sea conditions than conventional ferries — the high-speed catamarans are comfortable in calm weather and less so when the Aegean kicks up.
Golden Star Ferries (goldenstarcruises.gr) — a smaller high-speed operator with competitive pricing on the route.
The booking platform Ferryscanner.com or directly through operator websites are the most reliable booking methods. Ferryhopper.com is also well-regarded for aggregating options across operators. In high season (June through September), book ferry tickets at least two weeks in advance — popular departures sell out. Cabin berths on overnight ferries in July and August should be booked months ahead.
Arrival in Santorini: Port vs. Airport Logistics
Ferries arrive at Athinios Port on the southwestern coast of the island, approximately 10 kilometers from Fira. The port is at sea level, below the caldera cliffs — you disembark, collect luggage, and then need transport to your accommodation. Bus service runs from Athinios Port to Fira’s central bus station (approximately 20 minutes, €2.50), from where connecting services cover most of the island. Taxis also queue at the port, with fixed rates to major destinations — expect approximately €15–20 to Fira, €25–30 to Oia.
There is no cable car service directly from Athinios Port — the famous cable car runs from the old port at Fira Skala, where small vessels and tenders from cruise ships dock. This is different from the main ferry port and is relevant mainly for day visitors arriving by small boat.
Santorini Airport is located near Kamari on the east coast of the island, about 6 kilometers from Fira. The airport is small — one terminal, straightforward arrivals. Buses connect to Fira (approximately €1.80); taxis cost €15–20 to Fira, €30–35 to Oia. The airport is significantly more convenient for accommodation on the east coast (Kamari, Perissa) than the ferry port.
Seasickness: The Honest Assessment
The Aegean Sea between Piraeus and Santorini can be rough, particularly in July and August when the meltemi — a strong seasonal north wind — blows across the central Aegean. The high-speed catamarans are more affected by rough conditions than the larger conventional ferries. Some passengers who have no history of seasickness experience discomfort on a rough catamaran crossing.
If you are prone to seasickness, the following apply: choose a conventional ferry over a high-speed catamaran; choose an overnight crossing (when the meltemi is typically calmer); book a cabin rather than sitting in the indoor passenger area; take anti-seasickness medication (Dramamine or equivalent) before boarding; and stay on deck in fresh air when possible. Most crossings are comfortable — but July and August are the months with the highest chance of rough conditions on the high-speed services.
If you have severe seasickness issues, flying is the pragmatic answer and there is no shame in that.
Cost Comparison
Approximate prices per person as of 2024–2025, though prices change seasonally and year to year:
Flight (economy, one way): €40–200 depending on airline, booking timing, and season. Budget airlines (Ryanair, easyJet) at the low end in shoulder season; Aegean Airlines at the higher end in peak summer.
High-speed ferry (one way, seated): €50–90 in peak season, €35–55 in shoulder season.
Conventional overnight ferry (deck class): €35–50.
Conventional overnight ferry (2-berth cabin): €80–140 per cabin depending on season and booking timing.
The cost difference between flying and taking the high-speed ferry is often smaller than people assume — particularly when you factor in baggage fees on budget airlines and the cost of getting from central Athens to the airport (more expensive than Piraeus) versus the port.
The Decision Framework
Take the ferry if: you have at least 4.5 hours to spare, you want to experience the approach to Santorini by sea, you are traveling in good sea conditions (May, June, September, October), you want the overnight ferry to save a night’s accommodation, or the arrival experience matters to you as part of the trip.
Fly if: your time on Santorini is very limited and every hour counts, you have severe seasickness concerns, you are traveling with young children who will find a long ferry crossing difficult, weather conditions are rough, or your accommodation is significantly more convenient to the airport than the port.
For most first-time visitors to Santorini with reasonable flexibility, the ferry is the better experience. The approach to the caldera by sea is part of understanding what Santorini is. The flight misses it entirely.
👉 For how long to spend on Santorini once you arrive, see our guide on How Many Days in Santorini Is Enough?
👉 For Athens planning before your ferry, see our guide on How Many Days in Athens Is Enough?
