Ferries run from Piraeus to Kythnos 7 days a week, all year round. The first ferry of the day departs from Piraeus at 15:00, and the last at 15:00. The fastest ferry can reach Kythnos in just 1h 40min, while on average the journey takes around 1h 50min. One-way tickets start at just €31.00 and can cost up to €49.70. From June to September, there are about 5 weekly crossings; from October to May, this drops to around 1. Book your ferry tickets to Kythnos online with Ferryscanner for the most convenience and best price guarantee.

Ferry companies from Piraeus to Kythnos

Seajets, Aegean Sea Lines companies operate routes from Piraeus to Kythnos. The data below covers the upcoming week, sorted by average ticket price.

Aegean Sea Lines
Aegean Sea Lines
4 weekly
3h 13m
€31.00Find Tickets
Seajets
Seajets
7 weekly
1h 40m
€48.33Find Tickets
Last Update: 13/12/2025

Piraeus to Kythnos ferry schedule

The ferry schedule from Piraeus to Kythnos varies according to the company and season. An overview of key details for planning your trip:

EARLIEST FERRY
15:00
LATEST FERRY
15:00
FASTEST FERRY
1h 40m
DURATION
1h 40m - 3h 10m
FREQUENCY
Weekly
NUMBER OF STOPS
1
PRICE RANGE
€31.00 - €49.70
ROUTE DISTANCE
91.26km - 49.24nm
Aerial view of a large ferry approaching a busy passenger port in a coastal city.

Can I take a ferry from Piraeus to Kythnos?

Yes, ferries run between Piraeus and Kythnos. This route is operated by Seajets, Aegean Sea Lines, and takes around 1h 50min on average. Ferries are available weekly.

Traveler enjoying sunset views from a ferry deck during a sea crossing.

How long is the ferry from Piraeus to Kythnos?

The ferry journey from Piraeus to Kythnos usually takes 1h 50min, with the fastest ferry getting there in just 1h 40min, and the longest ferry in 3h 10min.

Ferry times can vary depending on the ferry company, weather conditions, and whether you opt to take a high-speed service or not.

When you book your ferry with Ferryscanner from Piraeus to Kythnos, our system will automatically recommend the best option for you. We use a smart algorithm that takes the most direct routes, ferry speed, e-ticket availability and the best arrival and departure times into account, to help you find the most convenient option for your journey.

Fastest ferry from Piraeus to Kythnos

The fastest ferry from Piraeus to Kythnos is , operated by Seajets, which takes just 1h 40min.

Can you do a day trip from Piraeus to Kythnos?

No, unfortunately you won’t be able to make a day trip from Piraeus to Kythnos, as the shortest journey time is approximately 1h 40min, and there’s no return ferry on the same day. On this route, we’d recommend you stay overnight to get the most out of your destination. Check out our ferry search and booking system to secure your tickets from Kythnos to Piraeus and start planning your trip!

Are there overnight ferries from Piraeus to Kythnos?

No, unfortunately there are no night ferries from Piraeus to Kythnos. Check out the daytime sailing options to plan your trip with convenience and flexibility.

This summary for the Piraeus to Kythnos route is based on recent data and is updated regularly. However, schedules may vary depending on seasonal changes, ferry companies, and availability. For the most accurate and detailed ferry timetable, including routes, stops, and pricing, check out our ferry search and booking system.

Close to Kythnos, Nearby Destinations Worth Exploring

Explore nearby destinations from Kythnos, all within 100 km or 2 hours. Great for island hopping in Greece.

Kythnos to Serifos
29.16km
(15.74nm)
1h 25m
PRICE
€12.00
Find Tickets
Kythnos to Lavrio
46.7km
(25.2nm)
1h 45m
PRICE
€17.50
Find Tickets
Man sitting on a cliff with a laptop, looking out over the sea near sunset.

Piraeus to Kythnos ferry ticket prices, offers and discounts

Ferry ticket prices from Piraeus to Kythnos typically range from €31.00 to €49.70 for foot passengers and on average €50.34 for vehicles, with additional costs for cabins or premium seating options. Prices vary depending on the type of ticket and ferry company. Book your ticket as early as you can to make sure you get the best price, as fares tend to increase the closer you get to your departure date. Remember to check any specific restrictions ferry operators might have on this route, such as only accepting foot passengers or requiring a vehicle to board.

Ferry Offers

Special offers may be available on the Piraeus to Kythnos route, depending on the time of year and the ferry company. These can include early booking discounts or limited-time promotional deals. To stay updated, follow the Ferryscanner blog, check our social media pages, or subscribe to our newsletter. Any valid offers are applied automatically during booking, so you’ll always get the best price for your trip to Kythnos.

Choose your ferry from Piraeus to Kythnos

Traveler checking directions on a smartphone in front of a large transportation map.

How to get from Piraeus to Kythnos

To reach Kythnos from Piraeus, take a ferry departing from the Piraeus port, conveniently located just 10 kilometers from Athens city center and around 40 kilometers from the airport. Metro Line 1 offers a quick transfer from downtown Athens to the port, while buses and taxis are readily available, providing frequent and efficient service. The ferry ride varies in duration but typically lasts around three hours, making it a comfortable option for island-hopping.

At Piraeus port, ferries to Kythnos usually depart from designated terminals, with signs and displays guiding travelers to the right dock. Be mindful that these details may change, so it’s wise to check ticket information or port displays for the latest updates. Arriving early will allow ample time for boarding and navigating the bustling atmosphere of the port.

Close-up of a traveler sitting on a suitcase next to a parked car, ready to depart.

Traveling from Piraeus to Kythnos as a foot passenger or with a vehicle

Ferries from Piraeus to Kythnos allow foot passengers. Wheelchair accessibility is typically available, but we recommend contacting our support team to make sure and confirm specific services. Please aim to arrive at your boarding gate at least 60 minutes before departure. Our Flexi Cancellation and SMS Notification Packages will cover you in the event of any unforeseen or last minute changes, which you can select during the booking process.

View of multiple cars parked on a ferry deck during a sea crossing.

Are cars allowed on the ferries from Piraeus to Kythnos?

Cars are allowed on certain ferries from Piraeus to Kythnos, and can be booked through Ferryscanner. Ferries and companies that accommodate cars:

  • SPEEDRUNNER JET 2- Seajets

Vehicle transportation prices depend on the type of vehicle, ferry company, and season, with prices starting from €25.00. For unaccompanied vehicles, contact our support team for details.

Motorcycle

Motorcycles are allowed on SPEEDRUNNER JET 2 ferries from Piraeus to Kythnos. Adding a motorcycle to your Ferryscanner booking is simple, and pricing is tailored specifically for two-wheel vehicles.

Bicycle

Bicycles are usually allowed on ferries from Piraeus to Kythnos and are often transported for free. Fees, if applicable, will appear during the booking process. Ferries that allow bicycles on board are SPEEDRUNNER JET 2.

Luggage on board

When traveling from Piraeus to Kythnos, ferry companies typically allow passengers to bring luggage on board without additional charges.

Luggage Allowance: Most ferry companies permit 1 piece of luggage weighing up to 50 kg. When you book with us, your luggage allowance is always clearly stated, so there are no surprises even if policies vary between ferry companies and vessels. Per ferry:

  • : Up to 40kg per passenger.

It’s a good idea to label your luggage clearly, and make sure you place it in the designated storage area indicated to you by the crew on board. Note that if you’re taking oversized or extra luggage with you, your ferry company may charge you an additional fee.

If you have any doubts, we recommend checking the dedicated ferry company page on our website for detailed luggage information. You can also get in touch with our support team for further assistance.

Cabins on board

Unfortunately, there are no cabins available on the ferries from Piraeus to Kythnos. Don’t worry, though, you’ll find plenty of comfortable lounge or airplane-style seating on board for your relaxation and comfort.

Can I bring my pet on board?

Yes, pets are allowed on ferries from Piraeus to Kythnos, but specific policies vary by ferry company. General guidelines:

  • Pets over 10 kg must be kept in the ship’s onboard kennels; pets under 10 kg can stay in their owner’s pet carrier.
  • Service dogs are exempt from kennel requirements.
  • Ensure you have all the necessary documents, tickets, and pet essentials for your trip.
  • Greek operators typically allow pets for free.

If you're unsure about your ferry's policy, we recommend checking the ferry company's page on our website for detailed information. You can also reach out to our support team if you need further assistance.

Crystal-clear waters and a secluded beach with pine trees and rocky coastline under a bright blue sky.

Travel smart from Piraeus to Kythnos • Insider tips for your trip

Make your journey from Piraeus to Kythnos enjoyable with these handy tips for a safe, cozy, and entertaining trip!

Safety: Ferries on this route are well-maintained and follow modern safety protocols, so you can travel confidently.

Parking: There are ample parking options at the Piraeus port. Arrive early to secure your spot and avoid last-minute rushes.

Scenic Views: Grab a seat near the window to take in the stunning landscapes as you approach Kythnos, with its rolling hills and sparkling waters.

Ticket Tips: Book your ferry tickets in advance to get the best deals and avoid any last-minute hassles. Use the Ferryscanner app for convenient bookings and real-time updates.

Onboard Dining: Many ferries offer food and drink options. However, packing snacks and water is a smart idea.

Weather: Bring sunscreen if you're traveling in summer, and consider a light jacket for the ferry ride as indoor spaces can be chilly. Prepare for wind on outdoor decks, especially if you're cruising in spring or fall.

Kythnos awaits with its irresistible charm, including:

Local Products: Don't miss the famous Kythnos cheese and honey!

Cultural Landmarks: Explore the island's rich history at the ancient ruins and charming villages.

Visit our blog for more tips and ideas to make the most of your trip to Kythnos.

View of a busy ferry port with multiple ships docked along the waterfront of a coastal city.

Finding your way to Piraeus ferry port

The Piraeus ferry terminal is located approximately 12 kilometers from Athens city center and about 45 kilometers from Athens International Airport. You can easily reach the port by taking a taxi (around 30 minutes from the city center) or using public transport such as the Metro Line 1, which connects directly to Piraeus. Buses also serve the area, with routes from various parts of Athens.

In Kythnos, the ferry terminal is situated in the main town, Merichas, conveniently near beaches and local amenities, making it accessible for visitors exploring the island.

For the most accurate transport schedules and services, please check with local providers, as they may change frequently. If you find any inconsistencies in the information provided, please let our support team know.

Exploring Kythnos

Kythnos is a beautiful island in Greece that's perfect for a fun adventure! It has amazing beaches like Kolona, where soft sand meets clear blue water. You can splash around or build sandcastles all day long. The island is also famous for its hot springs in Loutra, where you can relax and feel great!

Grab a bite of tasty local food, like traditional Greek dishes and fresh seafood. Don’t miss out on trying ‘souvlaki’ or a yummy ‘moussaka’.

For a fun day, explore the charming villages and see the white houses with colorful doors. Hiking is another great way to discover Kythnos, with trails that offer stunning views of the sea and nature. You might find hidden gems like tiny churches or secret beaches along the way!

Kythnos is awesome for a short vacation, but it is also a great spot to start exploring other nearby islands. Whether you want a quick getaway or plan to hop on a boat to visit more places, Kythnos is definitely a fantastic choice!

For more detailed information about Kythnos, including top attractions, activities, and travel tips, check out our dedicated guide: Ferry to Kythnos.
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Available ferries from Piraeus to Kythnos

See the ferries traveling from Piraeus to Kythnos, along with possible alternatives like helicopters.

Aegean Sea Lines

Seajets

Visualize your trip: Piraeus to Kythnos ferry map