Cheap flights from Kos Island
We are watching 27 routes out of Kos Island. The cheapest fare we can vouch for today is €37, and for each one we say whether today is a good moment or you should wait.
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Where to fly from Kos Island
Flights from Kos Island: quick answers
What is the cheapest flight from Kos Island right now?
Athens at €37 one-way, the lowest fare today across the 27 routes we track from Kos Island. Next: Rome €109, Milan €110, Samos Island €123.
What is the cheapest month to fly from Kos Island?
September. On the 9 routes from Kos Island where we measured it, September fares were typically 5% below the route's median month.
How far in advance should I book flights from Kos Island?
0–13 days before departure: that has been the cheapest booking window on 11 of the 22 routes from Kos Island where we measured it.
Which airlines have the cheapest flights from Kos Island?
Aegean has the lowest fare on 11 of the 27 routes we track from Kos Island, then Sky Express Greece (10), Olympic Air (5), Marabu (1).
How many routes from Kos Island does Piratefly track?
27 routes, with 1,965 fares we have recorded over time.
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.
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