Thirasia - Kythnos
Ferries to Cyclades Islands
Thirasia - Kythnos
Ferries to Cyclades Islands
Compare live pricing across ferry operators worldwide and find the sailing that fits your trip. Booking sooner rather than later is the simplest way to secure the best fares and the widest choice.
Direct Ferries runs discounts across the calendar year. If your route qualifies for a senior discount, it's applied for you automatically as soon as you choose the correct age bracket in the passenger options when you search.
Students and recent graduates qualify for a 5% saving on their ticket. Register with our partner Student Beans to confirm your eligibility, then apply the discount code you receive at checkout.
A resident discount is also on offer for a number of Spanish and Italian crossings — select the "Residents" option where available and the price will adjust automatically. Make sure you can show proof of address, such as a residency certificate or ID card, when you check in.
Document requirements differ by route, so check what you'll need well before departure. Travelling from Thirasia to Kythnos generally calls for a valid passport, plus any visa or national ID your nationality requires. Since rules depend on both your citizenship and your destination's regulations, our Check-in, Travel Documents & Tickets guide is a good place to check the details and avoid delays at check-in.
Getting your tickets is simple — enter your departure port, arrival port, and preferred travel date to see every fare and sailing available. From there, you can compare alternative routes and departure times to land on the best option for your trip.
Watch for early-bird pricing and flexible ticket formats, such as upgrades or flexi-fares that allow later changes or cancellations. Enter your details accurately, including passenger count and vehicle information, to keep your booking process smooth.
A confirmation email lands in your inbox the moment your booking is finalised. How your boarding pass gets issued from there depends on the specific ferry operator.
Certain operators release your boarding pass right after booking; others want you to check in once you reach the port. Where available, the Direct Ferries app lets you check in online ahead of time.
Ticket desks sit near the ferry terminal in most cases. Give yourself extra time before departure to collect your tickets and complete check-in without stress.
You'll need to present your confirmation email plus valid photo ID — a passport or identity card — at check-in. Pet owners should bring vaccination and insurance paperwork, and anyone using a resident discount should have proof of address on hand.
A handful of reasons can explain the lack of departures from Thirasia to Kythnos on your selected date — timetable adjustments, sold-out sailings, or a seasonal gap are the usual culprits. Try a different date or browse other routes through our Route & Port finder.
Booking your Thirasia to Kythnos ferry early usually pays off, both in terms of price and choice — earlier bookings tend to unlock better fares and more departure and cabin options.
A few weeks' notice is generally enough to catch the best deals, though fares can still move depending on the season and remaining availability.
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Located in the Cyclades group of islands is the Greek island of Thirasia, or Therasia, and lies in the Aegean Sea to the north west of Nea Kameni, a small island formed in recent centuries following volcanic activity. Located next to the island's small harbour is a pebble beach, which is the island's only beach. The only track of the island will take you to the church of Agia Irini which is said to have given Santorini its current name (Santa Irini - Santorini).
The Cyclades are an island group in the Aegean Sea, south east of mainland Greece and a former administrative prefecture of Greece. They are one of the island groups which constitute the Aegean archipelago. The name refers to the islands around the sacred island of Delos. The Cyclades is where the native Greek breed of cat (the Aegean cat) originated.
Visitors usually get to the island by boat as a part of a volcano trip that first gets you to Nea Kameni for a visit to the crater of the volcano then at the hot springs of Palaia Kameni for swimming and then to Thirasia for a few minutes before they head to Oia for the sunset.
Kythnos is a Greek island that is located very close to Attica and is part of the Cyclades group of islands. The island, sometimes called Thermia because of the thermal springs on the island, is one of the lesser visited islands of the Cyclades but is popular with visitors because of its thermal springs. There is a modern spa located in Loutra, with two hot springs in the area. The spring of Ayio Anargyroi and the spring of Caucasus, where the temperature of the water reaches 52C, are famous for their therapeutic effects and have been since ancient times.
The island's harbour is located at Merihas and the island's capital is called Hora and are both located in the north of the island. In the south, only the areas by the bay of Ayios Dimitrios and Panayia Canála are inhabited. This is where a famous monastery is located within a pine forest.
Ferry services from Kythnos depart to the Port of Piraeus or to the port of Lavrio. The crossing to Piraeus takes approximately 3 hours by conventional ferry and approximately one hour by high speed ferry. The crossing time to Lavrio takes about 2 hours. Kythnos is also connected by sea with the islands of Serifos, Sifnos, Milos, Santorini, Sikinos, Folegandros and Kea.
