Cheapest return flights from Seoul to London in May from $567

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

Return flights

25 May - 28 May Air China
13 May - 20 May Air China
11 May - 17 May Air China
11 May - 18 May Air China
13 May - 16 May Air China
16 May - 23 May Air China
12 May - 19 May Air China
15 May - 27 May Air China
14 May - 08 Jun Air China
27 May - 02 Jun Air China
15 May - 18 May Air China
12 May - 18 May Air China
22 May - 06 Jun Air China
27 May - 04 Jun Air China
29 May - 06 Jun China Southern
23 May - 02 Jun China Southern
23 May - 03 Jun China Southern
23 May - 06 Jun China Southern
29 May - 04 Jun China Southern
27 May - 10 Jun China Southern

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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