Cheapest return flights from Seoul to London in May from 638€

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

Return flights

11 May - 25 May Air Busan
24 May - 10 Jun Jeju Air
06 May - 19 May Jeju Air
15 May - 20 May Air China
07 May - 21 May Air China
06 May - 20 May Air China
06 May - 14 May Air China
07 May - 13 May Air China
16 May - 21 May Air China
10 May - 14 May Air China
06 May - 13 May Air China
24 May - 08 Jun Air China
23 May - 03 Jun Air China
26 May - 20 Jun China Southern
25 May - 20 Jun Air China
26 May - 10 Jun Korean Air
23 May - 04 Jun Air China
23 May - 07 Jun Air China
23 May - 06 Jun Air China
30 May - 01 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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