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Ferry RouteKYT to PIR

Ferry from Kythnos to Piraeus.

Kythnos to Athens (Piraeus). Compare the operators, a real sailing day and dated fares, then search live times for your date.

Fastest crossing
1h 30mSeajets · checked 24 Sept 2026
Lowest adult fare
€25checked 24 Sept 2026
Ferry operators
3Seajets, Fast Ferries, Aegean Sea Lines

Dated numbers: a Ferryhopper check or a one-day timetable sample, never live. The search shows live times and prices.

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By George K. · Updated

Search live ferries

Kythnos (Merihas) to Piraeus: live times, seats and prices for your date.

Passengers
2 passengers

Lowest adult fare we found: €25, checked 24 September 2026.

Live availability and booking via Ferryhopper, our ferry booking partner.

Kythnos (Merihas)
Map of the ferry route from Kythnos (Merihas) to Piraeus. Coastlines © OpenStreetMap contributors, Natural Earth

How do you get from Kythnos (Merihas) to Piraeus by ferry?

Three companies sail from Kythnos to Piraeus. Seajets high-speed boats take about 1 hr 30 min to 1 hr 35 min, while the conventional ships of Fast Ferries and Aegean Sea Lines take roughly 2 hr 50 min to 3 hr 15 min. Ferryhopper showed adult fares from €25 when we checked on 24 September 2026. The route runs all year, but on anything from 1 to 7 days a week.

Source: Ferryhopper route page and timetable sample · as of

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01Operators compared

Kythnos (Merihas) to Piraeus ferry operators compared.

Who sails this route, on what kind of boat, how long it takes and the lowest adult fare we found.

Ferry companies on the Kythnos (Merihas) to Piraeus route
OperatorVessel typeCrossing timeVehiclesAdult fare from
SeajetsHigh-speed ferryabout 1 hr 30 min to 1 hr 35 minNot confirmed€49.70
Fast FerriesConventional ferryabout 2 hr 55 min to 3 hrCars and motorbikes€31
Aegean Sea LinesConventional ferryabout 3 hr 10 minCars and motorbikes€27

Source: Ferryhopper route page, checked by our editors · as of

  • SeajetsThree to six days a week in the months it runs, in last year's data.
  • Fast FerriesOnce or twice a week in the months listed in Ferryhopper's table of last year's data.
  • Aegean Sea LinesOnce to three days a week in last year's data, on its western Cyclades line.

02Fares

Kythnos (Merihas) to Piraeus ferry prices.

The lowest fares Ferryhopper showed for each party when we checked on 24 September 2026. Each row can come from a different sailing.

Lowest fares between Kythnos (Merihas) and Piraeus, both directions
PassengersKythnos (Merihas) → PiraeusPiraeus → Kythnos (Merihas)
1 adult€25€30.50
2 adults€54€61
2 adults and a car€112€119
2 adults, 2 children and a car€131.10€131.10

Source: Ferryhopper route page · checked

Lowest fares shown on Ferryhopper when we checked on 2026-09-24. Fares change with the date, vessel and demand; the booking page shows the current price for your date. Each figure is the cheapest seen for that party and may come from a different sailing or date, which is why the single-adult fare of €25 is lower than any operator's starting price in the monthly table.

Search the return, Piraeus to Kythnos (Merihas)

03Schedule by season

Kythnos (Merihas) to Piraeus ferry schedule by season.

Ferryhopper lists Kythnos to Piraeus from January to December, but its frequency range is wide, from 1 to 7 days a week. Its monthly table, based on last year's data, shows Seajets on three to six days a week in the months it ran, Aegean Sea Lines on one to three days a week, and Fast Ferries once or twice a week, with one month showing no data. In the warmer months the three together give you a boat on most days; in winter, expect far fewer. We have no timetable sample for this route, so check the departure times for your date on the booking page.

The Journey

The Kythnos (Merihas) to Piraeus crossing.

Kythnos is a low-key island in the western Cyclades, popular with Greek families who come for its authentic character, its beaches and the thermal springs at Loutra. Most of its visitors arrive and leave by sea, and this crossing is the direct link back to the capital, taking as little as an hour and a half on the fast boat.

You have two ports to choose from on the Attica side. Lavrio, south-east of Athens, is closer to Kythnos and serves Kea and the western islands, while Piraeus, Athens' main port, is the better choice if you are heading into the city centre, since metro Line 1 and the tram both reach the port. Compare the two before you book.

Kythnos to Piraeus is served by three companies with very different boats. Seajets runs high-speed craft in the warmer months that do the trip in about 1 hr 30 min to 1 hr 35 min, from €49.70. Aegean Sea Lines and Fast Ferries run slower conventional ferries that carry cars and take around three hours, with fares from €27 and €31 respectively in Ferryhopper's table.

The one thing to watch is frequency. The route is listed all year, but on some weeks there is only a single sailing, so check which days your boat runs before you fix the end of your stay.

How long the crossing takes

Ferryhopper gives a normal range of 1 hr 30 min to 3 hr 15 min for this crossing, and 1 hr 30 min is the shortest trip it lists from Kythnos. In its monthly table for this direction, based on last year's data, Seajets took 1 hr 30 min to 1 hr 35 min. The conventional ships are roughly twice as slow: Fast Ferries about 2 hr 55 min to 3 hours, and Aegean Sea Lines about 3 hr 10 min. So the choice is simple: an hour and a half on a fast boat, or around three hours on a ship that can take your car.

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04The ports

Where the Kythnos (Merihas) to Piraeus ferry docks.

Departure port

Kythnos

KYT · 37.4167° N 24.4167° E

All ferries leave from Merichas, the harbour village on the west coast of Kythnos that handles both the Piraeus and the Lavrio boats. If you stay in Merichas, you can walk to the quay. From Chora or Dryopida inland, or from Loutra, take a taxi or the local bus, which runs in summer; for an early sailing, arrange your taxi the day before. The village has a sandy beach and basic amenities, so waiting for a late boat is no hardship. Be at the port well before departure, and allow extra time if you are driving on.

Arrival port

Athens (Piraeus)

PIR · 37.9475° N 23.6412° E

Piraeus is Athens' main port and a big one, so allow a little time to get from your ship to the street. For central Athens, metro Line 1 runs from Piraeus station to Monastiraki and Omonia, and the tram also serves the port area. For the airport, the suburban railway runs from Piraeus, taking about an hour. Taxis wait outside the terminals. If you are connecting to another island the same day, check which gate your next ship leaves from, as the gates are spread along the waterfront.

05On Board

On board the Kythnos (Merihas) to Piraeus ferry.

Your experience depends on the boat. The Seajets craft are enclosed, air-conditioned high-speed vessels with assigned seats and a snack bar: comfortable enough for 90 minutes, but with little outdoor space. The conventional ferries of Aegean Sea Lines and Fast Ferries are slower but roomier, with indoor lounges and open decks, which makes the three-hour trip pass easily in good weather. Cabins are not needed on a crossing this short. Luggage policies are relaxed, and around 50 kg per person is a sensible limit. Pets can travel subject to each company's rules; include them when you book.

06Weather and cancellations

Wind, weather and cancellations on the Kythnos (Merihas) to Piraeus route.

This is an open-water crossing, and in July and August the meltemi, the strong north wind of the Aegean summer, can make it rough. That affects the high-speed Seajets boats first; they may run late or be held in port by the port authority. The conventional ships of Aegean Sea Lines and Fast Ferries are more likely to keep sailing. If your boat is cancelled, contact the operator to rebook or claim a refund. Because not every day has a Piraeus sailing, a ferry to Lavrio can be the quicker way off the island.

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07Travel Tips

Kythnos (Merihas) to Piraeus ferry travel tips.

  1. For the lowest fare, look at the conventional ships: Aegean Sea Lines started at €27 in Ferryhopper's table, while Seajets started at €49.70.

  2. Check the sailing days before booking your last night on Kythnos; on some weeks there is only one boat.

  3. If there is no Piraeus boat on your day, check Kythnos to Lavrio, a shorter crossing to the other Attica port.

  4. Driving? Book the Aegean Sea Lines or Fast Ferries sailing: two adults with a car started at €112.

  5. In summer, a sea-view spot on the open deck of a conventional ship is the pleasant way to arrive in Piraeus.

08Alternatives

Other ways between Kythnos (Merihas) and Piraeus.

For the outbound leg, see our Athens (Piraeus) to Kythnos page. The main alternative is Kythnos to Lavrio, a shorter crossing to the port south-east of Athens. Kythnos has no airport, so the ferry is the only way on and off; Athens (ATH) is the airport for onward flights.

The return crossingPiraeus → Kythnos (Merihas)1h 35m · from €49.70
Change boat in Serifos
  1. Leg 1: Kythnos (Merihas) → Serifos40 min · from €45
  2. Leg 2: Serifos → Piraeus
Change boat in Milos (Adamas)
  1. Leg 1: Kythnos (Merihas) → Milos (Adamas)2h 15m · from €57.20
  2. Leg 2: Milos (Adamas) → Piraeus
Change boat in Tinos
  1. Leg 1: Kythnos (Merihas) → Tinos
  2. Leg 2: Tinos → Piraeus

Other ferries to Piraeus

Times and fares on these links come from one-day timetable samples, not live data.

09Island Hopping

Island hopping from Piraeus.

All direct ferry routes

10Route matrix

All ferry routes from Kythnos (Merihas).

Every direct route from Kythnos (Merihas) with a page on Discover Cyclades, with the fastest crossing and lowest fare from its one-day timetable sample. The route you are reading is marked.

Direct ferry routes from Kythnos (Merihas): fastest sampled crossing, lowest sampled adult fare and sailings on the sampled day
RouteFastestLowest fareSailings that dayOperators
Kythnos (Merihas) → Kea (Korissia)Blue Star Ferries, Seajets
Kythnos (Merihas) → LavrioFast Ferries
Kythnos (Merihas) → Milos (Adamas)2h 15m€57.201Seajets
Kythnos (Merihas) → PiraeusYou are hereSeajets, Fast Ferries, Aegean Sea Lines
Kythnos (Merihas) → Serifos40 min€452Magic Sea Ferries, Seajets
Kythnos (Merihas) → TinosGolden Star Ferries

Source: Ferryhopper timetable samples, one sailing day per route · sailing day

Questions

Kythnos (Merihas) to Piraeus ferry: frequently asked questions.

  • Between 1 hr 30 min and 3 hr 15 min. Seajets high-speed boats take about 1 hr 30 min to 1 hr 35 min. The conventional ferries are slower: Fast Ferries about 2 hr 55 min to 3 hours and Aegean Sea Lines about 3 hr 10 min, according to Ferryhopper's table of last year's data.

  • Ferryhopper showed adult fares from €25 when we checked on 24 September 2026, and €54 for two adults. Two adults with a car started at €112 and a family of four with a car at €131.10. In the monthly table, Aegean Sea Lines started at €27, Fast Ferries at €31 and Seajets at €49.70.

  • All year, but on 1 to 7 days a week depending on the season. Last year's data shows Seajets on three to six days a week in the months it ran, Aegean Sea Lines on one to three days and Fast Ferries once or twice a week. In winter, sailings are few, so plan around the days that have a boat.

  • Seajets with high-speed boats, and Aegean Sea Lines and Fast Ferries with conventional ships. Seajets is roughly twice as fast; the conventional ferries are cheaper and carry vehicles.

  • Seajets, with a crossing of about 1 hr 30 min to 1 hr 35 min, from €49.70 in Ferryhopper's table. The high-speed boats run in the warmer months only, on three to six days a week in last year's data, so check your date.

  • Yes, on the conventional ferries of Aegean Sea Lines and Fast Ferries. Two adults with a car started at €112 on Ferryhopper when we checked. We have no confirmed vehicle information for the Seajets boats on this route, so check when booking, and reserve car space early for summer weekends.

  • Piraeus is best for central Athens: metro Line 1 and the tram reach the port. Lavrio, south-east of Athens, is closer to Kythnos, so its crossing is shorter. Neither port has a Kythnos boat every day all year, so it often makes sense to pick whichever has a sailing on your day.

  • From Merichas, the harbour village on the west coast of the island, which handles all Kythnos ferries to Piraeus and Lavrio. You can walk there if you stay in the village; from Chora, Dryopida or Loutra, take a taxi or the summer bus.

  • Metro Line 1 runs from Piraeus to Monastiraki and Omonia in the centre, and the tram also serves the port area. For the airport, the suburban railway from Piraeus takes about an hour. Taxis wait outside the terminals.

  • As soon as you know your dates, mainly to be sure your boat runs that day. In July and August, book further ahead, especially with a car.

  • Strong meltemi winds in July and August can delay or stop the high-speed Seajets boats; the conventional ships usually still sail. You can rebook or ask the operator for a refund. If the next Piraeus boat is days away, a sailing to Lavrio may get you back to Athens sooner.

  • The same companies run the outbound crossing, with the shortest trip listed at 1 hr 35 min and fares from €30.50 on Ferryhopper when we checked. See our Athens (Piraeus) to Kythnos page for details.

Island Guides

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