Cheapest return flights from London to Seoul in May from $532

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

Return flights

18 May - 25 May China Southern
12 May - 25 May China Southern
06 May - 20 May China Southern
11 May - 17 May China Southern
12 May - 18 May China Southern
06 May - 13 May China Southern
11 May - 18 May China Southern
18 May - 11 Jun China Southern
28 May - 11 Jun China Southern
18 May - 15 Jun China Southern
28 May - 12 Jun China Southern
19 May - 08 Jun China Southern
06 May - 11 Jun China Southern
25 May - 08 Jun China Southern
28 May - 08 Jun China Southern
28 May - 18 Jun China Southern
12 May - 19 May China Southern
26 May - 06 Jun China Southern
10 May - 17 May China Southern
18 May - 24 May China Southern

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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