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Ferries run from Kos (Main Port) to Piraeus 7 days a week, all year round. The first ferry of the day departs from Kos (Main Port) at 12:05, and the last at 22:35. The fastest ferry can reach Piraeus in just 11h 30min, while on average the journey takes around 12h 27min. One-way tickets start at just €79.00 and can cost up to €84.00. From June to September, there are about 9 weekly crossings; from October to May, this drops to around 1. Book your ferry tickets to Piraeus online with Ferryscanner for the most convenience and best price guarantee.
Indirect ferries from Kos (Main Port) to Piraeus will stop off at other destinations along the way, such as Rhodes (All Ports) - Kos (All Ports) - Kalymnos - Leros (All Ports) - Patmos - Syros - Piraeus.
Ferry companies from Kos (Main Port) to Piraeus
Blue Star Ferries companies operate routes from Kos (Main Port) to Piraeus. The data below covers the upcoming week, sorted by average ticket price.
Kos (Main Port) to Piraeus ferry schedule
The ferry schedule from Kos (Main Port) to Piraeus varies according to the company and season. An overview of key details for planning your trip:

Can I take a ferry from Kos (Main Port) to Piraeus?
Yes, ferries run between Kos (Main Port) and Piraeus. This route is operated by Blue Star Ferries, and takes around 12h 27min on average. Ferries are available weekly.

How long is the ferry from Kos (Main Port) to Piraeus?
The ferry journey from Kos (Main Port) to Piraeus usually takes 12h 27min, with the fastest ferry getting there in just 11h 30min, and the longest ferry in 13h 50min.
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 Kos (Main Port) to Piraeus, 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 Kos (Main Port) to Piraeus
The fastest ferry from Kos (Main Port) to Piraeus is BLUE STAR 2, operated by Blue Star Ferries, which takes just 11h 30min.
Can you do a day trip from Kos (Main Port) to Piraeus?
No, unfortunately you won’t be able to make a day trip from Kos (Main Port) to Piraeus, as the shortest journey time is approximately 11h 30min, 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 Piraeus to Kos (Main Port) and start planning your trip!
Are there overnight ferries from Kos (Main Port) to Piraeus?
Yes, there are night ferries operating on the Kos (Main Port) to Piraeus route. For maximum comfort, our booking and reservation system will give you the option of booking private cabins, shared cabins, or airline-style seating on your voyage.
This summary for the Kos (Main Port) to Piraeus 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 Piraeus, Nearby Destinations Worth Exploring
Explore nearby destinations from Piraeus, all within 100 km or 2 hours. Great for island hopping in Greece.

Kos (Main Port) to Piraeus ferry ticket prices, offers and discounts
Ferry ticket prices from Kos (Main Port) to Piraeus typically range from €79.00 to €84.00 for foot passengers and on average €106.83 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 Kos (Main Port) to Piraeus 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 Piraeus.
Choose your ferry from Kos (Main Port) to Piraeus

How to get from Kos (Main Port) to Piraeus
To get from Kos (Main Port) to Piraeus, the ferry is your best option. Departures are frequent, typically running several times a day, making it convenient for travelers. The main port is a short taxi or bus ride from the city center and is about 30 minutes from the airport, providing easy access for both locals and visitors.
Within the Kos (Main Port), the departure area generally includes a terminal where various ferries embark. Look for signs indicating your ferry’s dock and stay attentive to ticket displays for any changes in schedule or departure information. Arriving early is advisable to ensure a hassle-free boarding process and to secure your spot.

Traveling from Kos (Main Port) to Piraeus as a foot passenger or with a vehicle
Ferries from Kos (Main Port) to Piraeus 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.

Are cars allowed on the ferries from Kos (Main Port) to Piraeus?
Cars are allowed on certain ferries from Kos (Main Port) to Piraeus, and can be booked through Ferryscanner. Ferries and companies that accommodate cars:
- BLUE STAR 1- Blue Star Ferries
- BLUE STAR PATMOS- Blue Star Ferries
- BLUE STAR 2- Blue Star Ferries
Vehicle transportation prices depend on the type of vehicle, ferry company, and season, with prices starting from €42.00. For unaccompanied vehicles, contact our support team for details.
Motorcycle
Motorcycles are allowed on BLUE STAR 1, BLUE STAR PATMOS, BLUE STAR 2 ferries from Kos (Main Port) to Piraeus. 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 Kos (Main Port) to Piraeus and are often transported for free. Fees, if applicable, will appear during the booking process. Ferries that allow bicycles on board are BLUE STAR 1, BLUE STAR PATMOS, BLUE STAR 2.
Luggage on board
When traveling from Kos (Main Port) to Piraeus, 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:
- BLUE STAR 1, BLUE STAR 2, BLUE STAR PATMOS: Up to 50kg 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
Some ferries from Kos (Main Port) to Piraeus will give you the choice to book a cabin if you feel like traveling in greater comfort. Cabins may be private or shared, and sometimes there are pet-friendly options too, so you can enjoy your journey in the company of your pet pals.
Can I book a cabin from Kos (Main Port) to Piraeus?
Yes, there are cabins available on BLUE STAR 1, BLUE STAR 2, BLUE STAR PATMOS, LEFKA ORI, if you want to get some rest and privacy on board. Check whether these are private or shared during the booking process. Availability may be limited, so book early.
Can I bring my pet on board?
Yes, pets are allowed on ferries from Kos (Main Port) to Piraeus, 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.

Travel smart from Kos (Main Port) to Piraeus • Insider tips for your trip
Make your journey from Kos (Main Port) to Piraeus enjoyable with these insider tips for a safe, comfortable, and fun experience!
Safety: Ferries on this route are modern and comply with strict safety standards, ensuring a dependable journey.
Parking: Kos (Main Port) offers secure parking options, making it easy to catch your ferry without worries.
Scenic Views: Don’t forget to enjoy breathtaking views of the Aegean Sea during the trip; the sights are truly unforgettable.
Ticket Tips: Book your tickets early for the best prices and availability, and consider using the Ferryscanner app for real-time updates.
Onboard Dining: Restaurants onboard provide delicious meals, but bringing your snacks and water can be a nice alternative.
Weather Preparedness: If traveling in summer, remember your sunscreen. A light jacket can be handy too, as the ferry may get chilly.
Outdoor Decks: Outdoor decks can be windy, so secure your belongings. Indoors, it can be cooler, so dress in layers for comfort.
Piraeus Highlights:
- Historic Landmarks: Explore the ancient heritage at places like the Archaeological Museum of Piraeus.
- Local Flavors: Don’t miss trying fresh seafood and local delicacies, especially at the vibrant waterfront tavernas.
Visit our blog for more tips and ideas to make the most of your trip to Piraeus.

Finding your way to Kos (Main Port) ferry port
To reach the Kos (Main Port) ferry terminal, head to the waterfront area near the city center, just a short walk from local shops and restaurants. The port is approximately 25 km from Kos Airport, making it accessible via taxi (about 30 minutes), bus (with services running frequently), or rental car.
In Piraeus, the ferry terminal is conveniently located near central Athens and easily accessible via metro (Line 1), bus, or taxi, connecting you to popular districts like Plaka and Monastiraki.
While we aim to offer accurate travel information, schedules and services can change. Please check local resources or notify our support team if you notice any updates or inconsistencies.

Exploring Piraeus
Piraeus is a lively port city in Greece, famous for its busy harbor and beautiful views. One of the coolest places to visit is the ancient Temple of Poseidon, standing tall and proud at Cape Sounion. If you love the beach, you’ll enjoy the sandy shores of Votsalakia and Kaminia, where you can splash in the waves or relax in the sun.
Food lovers will be thrilled to try fresh seafood dishes at local tavernas! Don’t miss out on some delicious Greek salad or moussaka. For a fun adventure, take a stroll along the beautiful marina and watch the boats come in and out. You can also explore the lively markets where you can find unique souvenirs.
Piraeus is not only great for a quick visit, but it’s also the perfect starting point for hopping on a ferry to the lovely islands nearby, like Hydra and Aegina. Whether you’re looking for history, nature, or tasty treats, Piraeus has something special for everyone!
Available ferries from Kos (Main Port) to Piraeus
See the ferries traveling from Kos (Main Port) to Piraeus, along with possible alternatives like helicopters.





