Cheapest return flights from Seoul to London in May from 618€

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

Return flights

12 May - 26 May Finnair
04 May - 21 May Finnair
23 May - 31 May Vietnam Airlines
06 May - 14 May Finnair
11 May - 18 May Finnair
12 May - 19 May Finnair
21 May - 01 Jun Finnair
12 May - 20 May Finnair
12 May - 31 May Finnair
27 May - 03 Jun Finnair
11 May - 15 May Vietnam Airlines
05 May - 24 May Finnair
10 May - 01 Jun Finnair
29 May - 03 Jun Air China
27 May - 03 Jun Korean Air direct
21 May - 01 Jun Korean Air direct
10 May - 01 Jun Asiana Airlines direct
31 May - 07 Jun Asiana Airlines direct

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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