Cheapest return flights from London to Seoul in May from 553€

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

Return flights

01 May - 23 May Air China
05 May - 20 May Air China
06 May - 14 May Air China
20 May - 31 May Air China
11 May - 23 May Air China
04 May - 18 May Air China
06 May - 11 May Air China
10 May - 19 May Air China
11 May - 17 May Air China
04 May - 31 May Air China
21 May - 02 Jun Air China
23 May - 05 Jun Air China
19 May - 01 Jun Air China
30 May - 19 Jun Air China
30 May - 06 Jun Air China
23 May - 07 Jun Air China
18 May - 08 Jun Air China
24 May - 07 Jun Air China
25 May - 08 Jun Air China
26 May - 09 Jun Air China

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

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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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