Captain Cheap
Sailboats moored at a scenic pier in Kos, Greece under a bright summer sky.

LHRKGS

Cheap flights from London to Kos

We track fares from London to Kos, Greece every day. Across 63 prices we've logged, the cheapest was €215 return and a typical fare runs around €249. The cheapest month to fly is usually Oct 2026.

Cheapest seen

€215

Typical price

€249

Cheapest month

Oct 2026

Non-stop

With a stop

No live deal on this exact route right now — but the typical fare is around €249. Search your dates below, or browse all deals to Greece.

Cheapest months to fly

The typical cheapest fare by month, from our tracking — a guide only. Check the live price on Aviasales before booking.

MonthTypical fromCheck price
Oct 2026€229Check

Each link opens the live Aviasales search for that month, where you can pick the exact cheapest dates.

Book a flight

Searches Aviasales. We may earn a commission — you pay the same price.

London to Kos: the basics

Route
London (LHR) → Kos (KGS)
Distance
2,712 km
Non-stop
No (with a stop)
Airlines seen
Aegean Airlines, airBaltic, Eurowings, Lufthansa, Swiss, Austrian Airlines

Planning the trip? Greece: what to see and when to go covers where to go and when.

Where these flights connect

There is no non-stop flight from London to Kos. Based on the airlines that fly this route, connections are usually through Athens, Frankfurt, Zurich, Vienna — worth checking when you compare fares.