AirHint found the following cheapest return flights from Kos (KGS) to London (LGW) in October 2025 (see full year).

Return flights

21 Oct - 28 Oct	Ryanair
09 Oct - 12 Oct	Ryanair
23 Oct - 26 Oct	Ryanair
16 Oct - 19 Oct	Ryanair
24 Oct - 28 Oct	Ryanair
16 Oct - 18 Oct	Ryanair
01 Oct - 02 Oct	TUI
09 Oct - 12 Oct	easyJet	direct
20 Oct - 27 Oct	Aegean Airlines
17 Oct - 20 Oct	SKY express

Also check the deals for one-way flights from Kos to London in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Kos to London in October from $160

Return flights