Kos to Athens

1 ways to travelfastest 1h 00mfly from €40
Photo: Rafael Hoyos Weht / Unsplash

When is it cheapest to fly?

Sep: from €57 — show this month's calendar €57 SepOct: from €40 — show this month's calendar €40 OctNov: from €57 — show this month's calendar €57 NovJan: from €60 — show this month's calendar €60 Jan

How the cheapest fare moved

Sep 1: €43 €43 Aug 25 Sep 1 low €40 · high €69

Departure-day prices · December 2028 Kos → Athens

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Return-day prices · December 2028 Athens → Kos

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Best time to visit Athens — climate

Jan: ~15°C daytime, 5 rainy days 15° JanFeb: ~12°C daytime, 9 rainy days 12° FebMar: ~18°C daytime, 4 rainy days 18° MarApr: ~19°C daytime, 13 rainy days 19° AprMay: ~26°C daytime, 7 rainy days 26° MayJun: ~33°C daytime, 1 rainy days 33° JunJul: ~36°C daytime, 1 rainy days 36° JulAug: ~33°C daytime, 1 rainy days 33° AugSep: ~29°C daytime, 2 rainy days 29° SepOct: ~22°C daytime, 6 rainy days 22° OctNov: ~20°C daytime, 12 rainy days 20° NovDec: ~16°C daytime, 6 rainy days 16° Dec

Best value: Oct — fares from €40 and ~22°C daytime.

Flights from Kos to Athens start around €40 (direct flights available). Range seen recently: €40–50, based on 6 fares found by travellers.

Fly (from €40)
1h 00mduration
€40–50recent fares
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Cheapest cached fares Kos → Athens; direct flights available (e.g. GQ). · Based on 6 fares found by travellers in the last 48h

Cheapest round trips to Athens

Fares found by travellers in the last 48 hours — refreshed daily.

Oct 12 – Oct 15 Aegean Airlines · Direct · 1h 10m €94 Book
Sep 30 – Oct 4 Aegean Airlines · Direct · 1h 10m €102 Book
Sep 25 – Sep 25 Aegean Airlines · Direct · 1h 10m €129 Book
Sep 3 – Sep 3 Sky Express Greece · 1 stop · 1h 25m €205 Book
Sep 2 – Sep 2 Sky Express Greece · Direct · 1h 00m €308 Book
Sep 1 – Sep 1 Austrian Airlines · 1 stop · 4h 40m €422 Book

Weather in Athens

Tue ☀️ 35° 23° 💧0%
Wed ☀️ 36° 25° 💧0%
Thu ☁️ 35° 25° 💧3%
Fri 🌤️ 32° 24° 💧0%
Sat 🌤️ 32° 22° 💧0%
Sun ☀️ 36° 20° 💧0%
Mon ☀️ 33° 23° 💧0%

Where to stay in Athens

3★+ hotels from €169/night (31 hotels sampled, ~3 weeks out).

Palmyra Beach Hotel hotel · Athens
from €169/night★ 4
See availability
The Stanley hotel · Athens
from €232/night★ 4
See availability
President Hotel Athens hotel · Athens
from €232/night★ 4
See availability

Good to know

CurrencyEuro (€)
Power plugsType C/F
BorderSchengen — no passport control from Schengen countries
Time differenceSame time zone
Time in the air1h 00m

Things to do in Athens

Top-rated tours and tickets from €80 — book ahead for the popular ones.

from €108
The Greek Food Experience (Max 8 persons)★ 5.0 (200)
from €110
Athens Greek Cooking Class Pita Gyros from Scratch with a Local★ 5.0 (200)
from €189
Athens Old City Private Photoshoot Tour/ 3hours★ 5.0 (84)
from €80
Anavyssos Athens Riviera: Beginners' Guided Try Scuba Diving★ 5.0 (73)
from €1999
Private Luxury Cruise in Athens★ 5.0 (72)
from €206
Private Flavors of Athens Food Tour★ 5.0 (71)

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About Athens

Athens (Greek: Αθήνα, Athína) is the capital city of Greece with a metropolitan population of 3.6 million inhabitants (2025) based on ELSTAT Census but with undocumented population it reaches 5.2 million. It was a major cultural, political and religious centre of Classical Greece, a place that deeply influenced the course of Western civilization.

Read the full Athens guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

eSIM for AthensData from the moment you land — no roaming bills. Rent a car in AthensCompare local and international rental desks. Airport transferFixed-price pickup waiting at arrivals. Travel insuranceMedical + luggage cover from a few €/day.

Popular from Kos

Cheapest destinations travellers searched recently — refreshed daily.

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Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-09-01. Some links earn Stayonomy a commission at no cost to you.