Cheapest return flights from London to Seoul in May from $694

Best time to book flights for London (LON) to Seoul (ICN) flights at AirHint

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

Return flights

17 May - 31 May Air China
24 May - 07 Jun Air China
17 May - 07 Jun Air China
09 May - 24 May Air China
11 May - 24 May Air China
09 May - 16 May Air China
12 May - 20 May Air China
05 May - 19 May Air China
05 May - 30 May Air China
05 May - 26 May Air China
05 May - 27 May Air China
24 May - 31 May Air China
24 May - 06 Jun Air China
26 May - 09 Jun Air China
23 May - 06 Jun Air China
31 May - 11 Jun Air China
04 May - 09 Jun Air China
01 May - 09 Jun Air China
28 May - 07 Jun Air China
17 May - 08 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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