Cheapest return flights from Seoul to London in May from $890

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

Return flights

11 May - 22 May Air China
20 May - 01 Jun Air China
25 May - 01 Jun Air China
24 May - 08 Jun Air China
20 May - 02 Jun Air China
29 May - 05 Jun Air China
26 May - 29 May Air China
10 May - 17 May Air China
08 May - 18 May ANA
28 May - 04 Jun ANA
13 May - 16 May ANA
11 May - 21 May ANA
25 May - 30 May ANA
02 May - 16 May ANA
09 May - 23 May ANA
01 May - 05 May 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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