Cheapest return LCY–ICN flights, May

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

Return flights

05 May - 16 Jun KLM
28 May - 16 Jun KLM
28 May - 17 Jun Lufthansa
27 May - 15 Jun Lufthansa
27 May - 10 Jun Lufthansa
19 May - 28 May KLM
18 May - 16 Jun KLM
15 May - 25 May KLM
15 May - 17 May KLM
15 May - 26 May KLM
19 May - 22 Jun Lufthansa
15 May - 30 May Lufthansa
20 May - 16 Jun KLM
04 May - 16 Jun KLM
18 May - 15 Jun KLM
16 May - 23 May KLM
19 May - 26 May KLM
18 May - 28 May KLM
20 May - 24 May KLM
06 May - 14 May KLM

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

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