Kos is the birthplace of Hippocrates and one of the flattest Greek islands, which makes bike rides between its long sandy beaches genuinely easy.
Kos is best known for Hippocrates plane tree, flat cycling routes, Therma hot springs and long sandy beaches. With direct flights from most major European cities, you can leave Friday after work and be back for Monday — no annual leave required.
The catch with Kos — like every sunny destination — is timing: the cheapest flight weekends rarely line up with the sunniest forecasts. That's exactly the intersection SunnyFlight watches for you, every single week.
Locals would tell you to aim for:
Tell us your departure city and budget — we'll email you when a cheap weekend flight to a sunny Kos (or somewhere even better) shows up.
Get free weekly alerts →The sweet spot for Kos is May, June, September, October — warm, sunny weather without peak-season prices. Average temperatures range from 15°C in winter to 31°C in summer.
Flight prices to Kos (KGS) swing heavily week to week. The reliable trick is to monitor weekend fares continuously: SunnyFlight scans prices every week and emails you only when a cheap direct flight coincides with a sunny forecast — free.
Yes — Kos averages around 300 sunny days per year. SunnyFlight additionally checks the actual weekend weather forecast before alerting you, so you never book into a rainy weekend.
Kos is famous for Hippocrates plane tree, flat cycling routes, Therma hot springs, long sandy beaches. Most highlights are easily covered in a two-day weekend trip.