Santorini (Thira) - Kythnos
Ferry to Cyclades Islands
Santorini (Thira) - Kythnos
Ferry to Cyclades Islands
Ferries from Santorini (Thira) to Kythnos are operated by 1 ferry company; Cyclades Fast Ferries. The journey usually takes around 7 hours 55 minutes. There are currently 1 weekly sailings on this ferry route. Prices start from as little as £24. Use our Deal Finder to compare prices and availability and book your ferry to Kythnos today.
Santorini (Thira) Kythnos ferry prices tend to range between £24* and £35*. The average price for ferries from Santorini (Thira) Kythnos is typically £35*. The cheapest Santorini (Thira) Kythnos ferry prices start from £24*. The average foot passenger price is £35*.
Pricing will vary depending on the number of passengers, vehicle type, route and sailing times. Pricing is taken from searches over the last 30 days and is exclusive of service fees, last updated February 26.
We offer a fast way to compare ferry tickets and costs across the world to make your choice smooth sailing. Check out our Special Offers page for discounts on select routes and operators. Remember to book early for the best prices and options!
Yes, Direct Ferries offers a wide range of discounts all year around. When searching for ferries, senior discounts will be automatically applied if they are available. Just select your age range from the passenger options.
Students and graduates can get a 5% discount on ferry tickets. To take advantage of the discount, you need to register with, check out our partner Student Beans and confirm your student or graduate status. You will then receive a discount code which can be entered during the payment process.
Resident discounts are available on a variety of Spanish and Italian ferry routes. Just click on the "Residents" option when this is displayed. The discount is automatically applied to the price. Bear in mind that proof of registration or an identity card with the correct address must be shown at check-in.
Santorini (Thira) Kythnos ferries typically depart at 09:00.
Due to the crossing time, ferries between Santorini (Thira) and Kythnos are more suited to weekend trips or longer stays to really make the most of the journey - if you’re looking for inspiration or things to do when you’re there, check out our blog.
Yes, Cyclades Fast Ferries ferries allow cars on board ferries between Santorini (Thira) and Kythnos. Use our Deal Finder to get live pricing for car ferries between Santorini (Thira) and Kythnos.
Whether you can bring your campervan on the ferry from Santorini (Thira) to Kythnos depends on factors like the ship & operator of your preferred crossing. To find out whether you can take your car on the ferry, simply enter your details, and we will compare operators on the specified route for you.
For more practical tips and travel inspiration when taking a car, campervan & caravan, visit our blog.
Currently, you cannot take your bicycle on board any ferries from Santorini (Thira) to Kythnos.
Yes, foot passengers can travel with Cyclades Fast Ferries ferries between Santorini (Thira) and Kythnos.
Pets are currently not allowed on board the ferries from Santorini (Thira) to Kythnos. Use our Deal Finder to find alternative routes that offer travel options for pets.
Please note that even if pets are not allowed on board, different regulations may apply to passengers travelling with guide dogs and assistance dogs. We recommend talking to our customer service to check the specific rules on your preferred sailing. For general information on travelling with assistant dogs and guide dogs, visit our Special Assistance Help page.
Whether an overnight ferry is available on the route between Santorini (Thira) and Kythnos depends on various factors. To find out if there is an overnight ferry available simply enter your details, our search results will then provide you with the information whether your preferred ferry sails overnight. Here you can also find the current ferry timetables and crossing times, as well as alternatives for day passages.
Please note that the duration of the night ferries can at times be slightly longer than that of the day ferries.
Travel requirements can vary depending on the route, so it's important to check what documents you'll need before sailing. In most cases, a valid passport is required when traveling from Santorini (Thira) to Kythnos, along with any necessary visas or national ID cards. Requirements may differ based on your nationality and the destination country’s regulations. To avoid delays at check-in, you can find helpful information for your journey in our Check-in, Travel Documents & Tickets guide and in our blog post on tips and tricks for international travel.
To book your ferry tickets simply enter your departure and arrival ports and the date you’d like to travel to see all available options and prices. You’ll also be able to view alternative routes and times, so you can find the best deal to suit you.
Look out for early booking discounts or special ticket options such as upgrades or flexi-tickets that allow you to change or cancel your booking. To make your sailing as smooth as possible, make sure you enter all the required information correctly, such as number of passengers and vehicle specifications.
Once you’ve finalised your booking, you’ll receive a confirmation email. It depends on the ferry operator you book with as to how your boarding pass is issued and collected.
Whilst some ferry operators issue the boarding pass as soon as your booking is confirmed, others may ask you to check in at the port. There’s also the option for online check-in, which can be easily done via the Direct Ferries app, if available.
The ticket desks are usually located near the ferry terminals. To avoid any delays at the port, we’d recommend allowing some extra time to collect your tickets and to check-in.
During check-in, you must show your email confirmation, as well as an official photo ID, such as a passport or identity card. You might also be asked to provide documentation for your pet (vaccines, pet insurance etc.) or proof of residence, if you have booked your ticket with a resident discount.
There could be various reasons why there are no departures from Santorini (Thira) to Kythnos for the date you’ve requested. For example, a temporary timetable change, limited availability or seasonal changes in the timetable. We recommend checking for alternative dates and routes.
The best time to book ferries from Santorini (Thira) to Kythnos is usually as early as possible. By booking in advance, you’ll not only get your tickets at the best available prices, but you’ll also get a better choice of departure times and cabin/seating options.
We’d recommend making your booking at least a few weeks in advance to benefit from the best offers. Bear in mind that prices may vary depending on the season and availability.
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| Santorini (Thira) - Kythnos Ferry Route summary | ||
|---|---|---|
| Origin | Cyclades Islands | |
| Destination | Cyclades Islands | |
| No. of Operators | 1 | |
| Operators | Cyclades Fast Ferries | |
| Average Price | £35 | |
| Average Daily Sailings | 1 | |
| Average Weekly Sailings | 1 | |
| Average Sailing Duration | 7 h 55 m | |
| Fastest Sailing Duration | 7 h 55 m | |
| First Ferry | 09:00 | |
| Last Ferry | 09:00 | |
| Distance | 83 Nautical Miles | |
* Prices subject to change, pricing is taken from last 30 days, last updated 1 February 2026.
Located in the southern Aegean Sea is the Greek island of Santorini and lies around 200 km to the south east of the Greek mainland. It forms part of the Cycladic group of islands and is the only location in Europe to have a hot desert climate. A popular pastime for visitors to Santorini is to take a cruise to the island's three islets, which were created in ancient times during a volcanic eruption. The islets are called Nea Kammeni, Palea Kammeni and Thirassia and provide an excellent vantage point for visitors to see the volcano, being located to the west of the island. The island's capital is Fira and is full of typical Cycladic houses with whitewashed walls, blue domed churches and stepped streets full of shops, cafes, restaurants and bars.
The island of Santorini has two ports. The main port is Athinios, where all the ferry and commercial boats arrive. There is also the Old Port which is mostly used for cruise ships. From the main port, ferries can be taken to Piraeus, Rafina and to the other islands in the Cyclades. Both conventional and high speed ferries operate on these routes.
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.
