Cheapest return flights from Seoul to London in May from 655€

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

Return flights

06 May - 11 May Finnair
19 May - 30 May Air France
12 May - 20 May Finnair
12 May - 19 May Finnair
14 May - 27 May Finnair
16 May - 29 May Finnair
23 May - 30 May Air France
01 May - 31 May Finnair
01 May - 07 May Finnair
04 May - 15 May Finnair
28 May - 06 Jun Finnair
27 May - 10 Jun Finnair
29 May - 08 Jun Air China
30 May - 06 Jun Finnair
27 May - 07 Jun Air China
25 May - 06 Jun Air China
25 May - 05 Jun Air China
29 May - 07 Jun Finnair
31 May - 14 Jun Finnair
15 May - 15 Jun Air China

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