Cheapest return ICN–LGW flights, May

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

Return flights

21 May - 04 Jun China Eastern
27 May - 04 Jun China Eastern
26 May - 11 Jun China Eastern
14 May - 17 May China Eastern
27 May - 10 Jun China Eastern
14 May - 11 Jun China Eastern
07 May - 12 May China Eastern
14 May - 28 May China Eastern
08 May - 14 May China Eastern
07 May - 14 May China Eastern
19 May - 04 Jun China Eastern
07 May - 20 May China Eastern
08 May - 15 May China Eastern
10 May - 19 May China Eastern
13 May - 27 May China Eastern
21 May - 21 Jun China Eastern
11 May - 17 May China Eastern
28 May - 11 Jun China Eastern
29 May - 12 Jun Air China
21 May - 25 Jun Qatar Airways

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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