Syros to Kythnos Ferry
Syros to Kythnos — At a Glance
- Season: Year-round service.
- Frequency: Typically 1 ferry per day, year-round.
- Sailing days: Limited service on Monday, Thursday.
The Syros to Kythnos ferry is a short hop between two distinct corners of the Cyclades. Syros is the administrative capital of the island group — a working port city with a life beyond tourism — while Kythnos sits quietly to the south-west, one of the least-visited islands in the chain. Connecting them by sea is straightforward, with year-round service keeping the route open regardless of the season.
On average, one ferry a day makes the crossing throughout the year, though sailing days are limited to Monday and Thursday, so it pays to plan your journey around the timetable rather than the other way around.
Monthly Schedule Overview
Here is a month-by-month overview of ferry service from Syros to Kythnos:
| Month | Available | Avg. Ferries/Day |
|---|---|---|
| January | No | – |
| February | Yes | 1.0 |
| March | Yes | 1.0 |
| April | Yes | 1.0 |
| May | Yes | 1.0 |
| June | Yes | 1.0 |
| July | Yes | 1.0 |
| August | Yes | 1.0 |
| September | Yes | 1.0 |
| October | No | – |
| November | No | – |
| December | No | – |
Tips for the Syros–Kythnos Ferry
- The Cyclades routes from Piraeus reach their peak in the first two weeks of August – if you travel then, book everything weeks in advance.
- Greek coffee on ferries is reliably good – a frappe or freddo espresso on the outside deck is one of the pleasures of Aegean travel.
- The meltemi typically peaks in the afternoons and can create significant swell; afternoon departures from exposed ports are more likely to be rough.
- Some operators allow seat upgrades at the port ticket desk if higher classes have not sold out – worth asking if you arrive early.
- In Kythnos, the unique double sandy beach of Kolona – a narrow strip of sand connecting the island to the islet of Agios Loukas – is one of the most unusual bathing spots in the Cyclades. The village of Loutra is known for its therapeutic thermal springs, used since ancient times, while the car-free Chora is a classic Cycladic hilltop settlement.
Useful Resources for Your Greek Island Trip
- Find accommodation in Greece – hotels, apartments and villas on Booking.com
- Book tours and activities in Greece via Viator
- Find guided experiences and day trips via GetYourGuide
- Compare car hire prices in Greece via DiscoverCars
Frequently Asked Questions
How often do ferries run from Syros to Kythnos?
There is typically one ferry per day on this route, with service running year-round. Bear in mind that sailings are limited to specific days — currently Monday and Thursday — so check the timetable carefully before you travel.
Which ferry companies operate the Syros–Kythnos route?
Multiple ferry companies operate this route. Check current schedules for the latest operators.