Ferry Route
Duration
2h
From
€25
Frequency
5-7 times per week
passengers
From
€50
2 × €25
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0h
Fastest crossing
0x
Daily departures
0+
Ferry operators
The Athens (Piraeus) to Kythnos ferry route is one of the key connections in the Cyclades, with journey times ranging from 2h to 3h30m and prices starting from €25. Ferries operate 5-7 times per week, served by Blue Star Ferries, Aegean Sea Lines. Kythnos is known for its natural hot springs, secluded beaches, and traditional villages.
Whether you prefer the speed of a high-speed catamaran or the relaxed atmosphere of a conventional ferry, this route offers reliable year-round service connecting Piraeus with Kythnos. Book early during peak season (June–September) to secure the best fares and availability.
Ferry Companies
Conventional ferry
From
€25
Duration
2h
Conventional ferry
From
€25
Duration
2h
Schedule
Availability
| Month | Frequency | Duration | From |
|---|---|---|---|
| January | 5 days per week | 3h30m | €25 |
| February | 5 days per week | 3h30m | €25 |
| March | 5 days per week | 3h30m | €25 |
| April | 6 days per week | 2h | €30 |
| May | 6 days per week | 2h | €30 |
| June | 7 days per week | 2h | €33 |
| July | 7 days per week | 2h | €33 |
| August | 7 days per week | 2h | €33 |
| September | 7 days per week | 2h | €33 |
| October | 6 days per week | 2h | €30 |
| November | 5 days per week | 3h30m | €25 |
| December | 5 days per week | 3h30m | €25 |
Pricing
| Passengers | Piraeus → Kythnos | Kythnos → Piraeus |
|---|---|---|
| 1 Adult | €25 | €25 |
| 2 Adults | €50 | €50 |
| 2 Adults + Car | €125 | €125 |
Operators
The Piraeus to Kythnos route is served by Blue Star Ferries, Aegean Sea Lines. Each operator offers a different travel experience — from fast high-speed catamarans to more spacious conventional vessels with full onboard services.
Blue Star Ferries operates conventional ferries with spacious decks, restaurants, and cabin options for a relaxed journey on this route. These vessels can carry vehicles and offer the most onboard space.
Aegean Sea Lines operates conventional ferries with spacious decks, restaurants, and cabin options for a relaxed journey on this route. These vessels can carry vehicles and offer the most onboard space.
| Operator | Ferry Type | Duration | Starting Price | Vehicles |
|---|---|---|---|---|
| Blue Star Ferries | Conventional | 2h - 3h30m | €25 | Yes |
| Aegean Sea Lines | Conventional | 2h - 3h30m | €25 | Yes |
More routes
On Board
Ferries on the Piraeus to Kythnos route offer comfortable travel with a range of onboard amenities. Conventional vessels feature spacious lounges, outdoor sun decks, a cafeteria or snack bar, air-conditioned seating areas, and vehicle garages. Cabin accommodations may be available on longer crossings.
High-speed catamarans provide airline-style seating with panoramic sea views, while conventional ferries offer more space to move around and enjoy the Aegean breeze from open decks. All ferries have clean restrooms and luggage storage areas. During peak season, arrive early to secure your preferred spot.
Travel Tips
Arrive at Piraeus port at least 30 minutes before departure (1 hour if traveling with a vehicle). During July and August, book tickets in advance as popular sailings sell out quickly.
Athens (Piraeus) port is accessible by metro, bus, or taxi from Athens city center. Check your gate number on your ticket before departure — gates can vary between operators.
Upon arrival in Kythnos, local buses and taxis connect the port with the main villages. Pre-booking a transfer is recommended during peak season. Kythnos is known for its natural hot springs, secluded beaches, and traditional villages.
Island Hopping
After arriving in Kythnos, extend your Cycladic adventure with these popular connecting routes:
Combine multiple islands for the ultimate Greek island-hopping experience. Use our booking engine to search connecting sailings and build your itinerary.
Island Guides
Discover the best beaches, hotels, restaurants, and activities on the islands of this route.
💡 Pro tip: Read our Kythnos guide before your trip to discover hidden gems. Don't forget to organize your stay early by checking our curated Hotels in Kythnos and securing your mobility through Kythnos Car Rentals directly at the port or airport fees-free.
Route Map
FAQ
The ferry from Piraeus to Kythnos takes between 2h and 3h30m, depending on the vessel type and weather conditions. High-speed catamarans offer the fastest crossing at around 2h.
Ticket prices for the Piraeus to Kythnos ferry start from €25 for a standard economy seat. Prices vary by season, operator, and seat class. Book early for the best fares, especially during peak summer months.
Ferries on the Piraeus to Kythnos route operate 5-7 times per week during the main season. Service frequency may be reduced during winter months (November–March). The route is served by Blue Star Ferries, Aegean Sea Lines.
Yes, you can take a car on the Piraeus to Kythnos ferry when traveling with conventional ferry operators. Vehicle spaces are limited, so book well in advance — especially during July and August. High-speed catamarans generally do not carry vehicles.
The best time to visit Kythnos is from late May to early October, when the weather is warm and sunny with calm seas. June and September offer the ideal balance of great weather and fewer crowds. July and August are peak season with the most ferry sailings but also the busiest period. Kythnos is known for its natural hot springs, secluded beaches, and traditional villages.
