Cheapest return flights from Seoul to London in May from $584

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

Return flights

19 May - 26 May Air China
20 May - 25 May Air China
15 May - 21 May Air China
18 May - 26 May Air China
25 May - 28 May Air China
27 May - 30 May Air China
14 May - 21 May Air China
13 May - 18 May Air China
11 May - 16 May Air China
20 May - 26 May Air China
11 May - 02 Jun Air China
21 May - 04 Jun Air China
27 May - 02 Jun Air China
27 May - 03 Jun Air China
22 May - 02 Jun Air China
22 May - 06 Jun Air China
19 May - 02 Jun Air China
15 May - 08 Jun Air China
15 May - 09 Jun Air China
14 May - 08 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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