Cheapest return LCY–KGS flights, May

AirHint found the following cheapest return flights from London (LCY) to Kos (KGS) in May 2026 (see full year).

Return flights

30 May - 07 Jun SWISS
29 May - 07 Jun SWISS
31 May - 07 Jun Lufthansa
27 May - 01 Jun SWISS
30 May - 01 Jun SWISS
30 May - 05 Jun SWISS
29 May - 05 Jun SWISS
31 May - 04 Jun KLM
26 May - 02 Jun British Airways
28 May - 04 Jun SWISS
24 May - 31 May Lufthansa
22 May - 27 May KLM
21 May - 26 May KLM
24 May - 29 May KLM
25 May - 31 May KLM
24 May - 28 May KLM
26 May - 28 May KLM
23 May - 26 May SWISS
25 May - 30 May KLM
25 May - 27 May British Airways

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

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