Cheapest€19.59
- Blue Star BS446618:3510h 2m04:37KOSATHENS (ALL PORTS)
Door to door 11h 32mCO2 38.8 kgChanges 0Changeable for a fee
Kos to Athens ferry
Ferries from Kos to Athens start at €25.09 and take 11h 25m at their fastest.
Check dates and fares
Fares and seats move by the day. Price Kos to Athens on the date you actually want, rather than on the date this page was built.
The Ferries from Kos to Athens starts at €25.09 and takes 11h 25m door to door, run by 1 operator over 337 km, with around 8 departures a day. Fares bottom out about 30 days before departure.
- 11h 25mDoor to door
- 9h 55mMoving
- €25.09 to €55.89From
- 20:30 to 20:30First and last departure
- 1Per day
- 38.8 kgCO2
First and last are the departures the operators themselves filed for September 17, 2026, across 1 services on the day.
€25.09 to €55.89 for one passenger across the 14 departure dates priced here. The low end is one day, not every day. Worked out from this corridor rather than held for anybody. The operator sets the price on the day.
Sailings on September 17, 2026
Real sailings, with the fares the operator is charging. Check the season before you count on one.
20:3008:2511h 55m
BLUE STAR FERRIESVessel BLUE STAR 1Direct
KOS → PIRAEUS
from €79.00deckseat €84.00 €133.00
Fares by date
What the operator is charging, by departure date.
September 17, 2026
€79.00
BLUE STAR FERRIES
This crossing was checked for one date, and that is the only date we hold a fare for. The operator sells the rest of the season.
The cheapest and the fastest on October 5, 2026
Ferry operators
| Operator | From | Fastest | Typical speed | Flexibility | On board |
|---|---|---|---|---|---|
 Blue Star | €19.59 | 11h 18m | 33 km/h | Changeable | Bar, , Cabins, Cafe, Restaurant, Restrooms |
The ferry gets you into Athens. It does not get you a bed, and neither do we.
A room in Athens for the night the ferry gets in
Sort by distance from Athina Larissa and you can see which places are ten minutes on foot and which are not.
Search Athens on Booking.comOr compare on Expedia
Partner links. We do not sell accommodation. We earn a commission when a booking completes, and it never changes what you pay.
When to book Kos to Athens
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €24.5490 days
- €20.1460 days
- €26.1945 days
- €17.9430 days
- €19.5921 days
- €25.0914 days
- €33.897 days
- €55.893 days
- €42.141 days
- Cheapest lead time
- Fares bottom out around 30 days ahead, at €17.94.
- How much it moves
- The gap between the cheapest and most expensive lead time is 212 percent. The most expensive point is €55.89, 3 days out.
- What that means
- Today sits inside the cheap window, which closes about 30 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €30.04Sun
- €25.09Mon
- €27.84Tue
- €26.19Wed
- €32.79Thu
- €32.24Fri
- €31.69Sat
Where you leave from and where you arrive
Kos
Ferry
- KOS
- KOS (ALL PORTS)
- KOS (KEFALOS)
- Kos
Athens
Ferry
- ATHENS (ALL PORTS)
What the journey actually looks like
- How far it really runs
- The route covers 337 km against 337 km in a straight line, a detour of 2 percent. Track and road geometry account for the difference.
- First and last departure
- The first service of the day leaves Kos at 06:09 and the last at 20:22, across 8 departures The return direction keeps its own timetable, so the times back are not these times reversed.
Ferries against the other ways to make this journey
| Mode | Door to door | Moving | At the ends | From | CO2 | Per day |
|---|---|---|---|---|---|---|
| Flight | 4h 1m | 51m | 3h 10m | €42.62 | 85.4 kg | 18 |
| Ferry | 11h 25m | 9h 55m | 1h 30m | €25.09 | 38.8 kg | 8 |
Questions about Kos to Athens
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Ferry from Kos to Athens take?
The Ferry from Kos to Athens takes 11h 25m door to door, of which 9h 55m is spent moving. The route runs 337 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Ferry from Kos to Athens cost?
The Ferry from Kos to Athens starts at €25.09 for one passenger, as of September 14, 2026. A typical fare is €25.09. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Ferry from Kos to Athens?
1 operators run the Ferry from Kos to Athens: Blue Star. Between them they file around 8 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Ferry from Kos to Athens use?
The Ferry from Kos to Athens leaves from KOS and arrives at ATHENS (ALL PORTS). Allow about 1h 30m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
Is the Ferry the best way from Kos to Athens?
Traveling from Kos to Athens by Flight costs €42.62 and takes 4h 1m door to door, against 11h 25m by Ferry. Which is better depends on whether the money or the hours matter more on this trip. The comparison table on this page shows every mode side by side.
When should I book the Ferry from Kos to Athens?
Fares for the Ferry from Kos to Athens bottom out around 30 days ahead, at €17.94. The gap between the cheapest and most expensive lead time across the window is 212 percent, measured on September 14, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Ferry from Kos to Athens produce?
The Ferry from Kos to Athens produces about 38.8 kg of CO2 per passenger over 337 km, which works out at roughly 115 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.
What is provided on board the Ferry from Kos to Athens?
Operators on the Ferry from Kos to Athens publish Bar, , Cabins, Cafe, Restaurant, Restrooms. That is what 1 carriers on this corridor state about their own fleets, across a journey of 11h 25m door to door. Where a carrier publishes nothing, this page lists nothing for it.
Where these numbers come from
Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Where no operator publishes a fare for a corridor, the price here is our own estimate, worked out from the real distance and the real operator through a fare curve that follows lead time, day of the week and season. It tells you roughly what the journey costs. It is not a seat anyone has agreed to sell, and the payment step will not take it.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Kos to Athens on September 14, 2026: 337 km of route against 337 km in a straight line, 8 services a day, 1 operator a cheapest fare of €25.09, and 11h 25m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
Related journeys
Athens to Kos ferryCompare every mode from Kos to AthensKos to Athens flightKavala to Athens ferryKavala to Athens ferryChania to Athens ferryChania to Athens ferryMytilene to Athens ferryMytilene to Athens ferryRhodes to Athens ferryRhodes to Athens ferryThessaloniki to Athens ferryThessaloniki to Athens ferryChios to Athens ferryChios to Athens ferry
Being on the water gives Athens a set of days out that do not start at a station. We do not sell those either.
Day trips out of Athens and across Greece
Day trips that leave Athens in the morning and cover a good part of Greece by evening.
See Athens on GetYourGuideOr browse Viator
Partner links. We do not sell tours or tickets. We earn a commission on a booking, and it never changes the price.