Cheapest return flights from Seoul to London in May from 409€

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

Return flights

13 May - 25 May China Southern
11 May - 18 May China Southern
16 May - 26 May China Southern
14 May - 19 May China Southern
07 May - 27 May China Southern
16 May - 29 May China Southern
19 May - 11 Jun China Southern
17 May - 26 May China Southern
22 May - 24 May China Southern
11 May - 28 May China Southern
15 May - 28 May Shenzhen Airlines
23 May - 04 Jun China Southern
06 May - 07 Jun China Southern
15 May - 02 Jun Air China
30 May - 20 Jun Finnair
27 May - 04 Jun China Southern
25 May - 01 Jun China Southern
22 May - 02 Jun China Southern
22 May - 03 Jun China Southern
27 May - 03 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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