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

Return flights

20 Aug - 24 Aug	TUI	direct
20 Aug - 27 Aug	TUI	direct
20 Aug - 21 Aug	TUI	direct
26 Aug - 02 Sep	easyJet
20 Aug - 22 Aug	TUI
19 Aug - 26 Aug	easyJet
23 Aug - 26 Aug	easyJet
21 Aug - 24 Aug	Condor
18 Aug - 04 Sep	Condor
22 Aug - 27 Aug	Jet2
22 Aug - 25 Aug	Jet2
18 Aug - 04 Sep	British Airways	direct
22 Aug - 25 Aug	British Airways	direct
26 Aug - 02 Sep	easyJet	direct
27 Aug - 16 Sep	SKY express
27 Aug - 09 Sep	SKY express
27 Aug - 02 Sep	SKY express
27 Aug - 07 Sep	SKY express
27 Aug - 04 Sep	SKY express
27 Aug - 14 Sep	SKY express

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

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 August from 144€

Return flights