Cheap flights from Kos to Athens
from 66 US$
From 136 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 66 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Kos to Athens, a about 306 km route (around 0h 53m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Aegean Airlines, Cyprus Airways, Olympic Air operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Kos to Athens?
It's usually 2026-09, from 66 USD. Use the price calendar to compare other dates.
How long is the flight from Kos to Athens?
A nonstop flight takes about 0h 53m and covers around 306 km. Connecting itineraries take longer.
Are there direct flights from Kos to Athens?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Kos to Athens?
Aegean Airlines, Cyprus Airways, Olympic Air operate this route, among others. Compare them all in the results.
When should I book Kos–Athens flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Kos → Athens · Live fares from 100+ sites — free, with no hidden fees.