Cheapest return flights from Seoul to London in May from 629€

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

Return flights

19 May - 27 May Air China
21 May - 28 May Air China
17 May - 25 May Air China
22 May - 25 May Air China
29 May - 13 Jun Air China
22 May - 30 May Air China
28 May - 30 May Air China
01 May - 06 May Air China
25 May - 14 Jun Air China
07 May - 21 May Air China
15 May - 25 May Air China
12 May - 18 May Air China
22 May - 01 Jun Air China
24 May - 01 Jun Air China
31 May - 06 Jun Air China
12 May - 11 Jun Air China
25 May - 01 Jun Air China
23 May - 05 Jun Air China
22 May - 08 Jun Air China
19 May - 03 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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