Cheapest return flights from London to Seoul in May from $617

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

Return flights

19 May - 02 Jun Lufthansa
11 May - 19 May Lufthansa
12 May - 19 May Lufthansa
06 May - 19 May Lufthansa
11 May - 22 May Scandinavian Airlines
29 May - 12 Jun Scandinavian Airlines
26 May - 02 Jun Scandinavian Airlines
22 May - 27 May Scandinavian Airlines
15 May - 29 May Scandinavian Airlines
15 May - 23 May Scandinavian Airlines
06 May - 13 May Lufthansa
01 May - 01 Jun Air China
18 May - 24 May Air China
02 May - 09 May Air China
23 May - 06 Jun Air China
30 May - 06 Jun Air China
25 May - 04 Jun Air China
21 May - 11 Jun LOT
26 May - 02 Jun Korean Air direct
25 May - 04 Jun Korean Air direct

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

Skyscanner

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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