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

Return flights

05 Oct - 12 Oct	Ryanair
26 Oct - 02 Nov	SKY express
17 Oct - 22 Oct	Ryanair
10 Oct - 13 Oct	Aegean Airlines
01 Oct - 03 Oct	easyJet
27 Oct - 03 Nov	Aegean Airlines
05 Oct - 12 Oct	British Airways	direct
01 Oct - 03 Oct	British Airways	direct
11 Oct - 12 Oct	SKY express
10 Oct - 12 Oct	SKY express
26 Oct - 02 Nov	British Airways	direct
11 Oct - 16 Oct	SKY express
12 Oct - 16 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 140€

Return flights