Cheapest return flights from London to Seoul in May from $523

Best time to book flights for London (LHR) to Seoul (GMP) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Seoul (GMP) in May 2025 (see full year).

Return flights

05 May - 26 May China Southern
05 May - 19 May China Southern
27 May - 03 Jun China Southern
14 May - 20 May China Southern
08 May - 19 May China Southern
19 May - 25 May China Southern
08 May - 15 May China Southern
14 May - 25 May China Southern
14 May - 26 May China Southern
05 May - 18 May China Southern
06 May - 18 May China Southern
26 May - 03 Jun China Southern
20 May - 02 Jun China Southern
19 May - 09 Jun Air China
29 May - 05 Jun Air China
29 May - 16 Jun Air China
29 May - 18 Jun Air China
28 May - 11 Jun Air China
28 May - 16 Jun Air China
14 May - 05 Jun Air China

Also check the deals for one-way flights from London to Seoul 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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