Cheapest return flights from London to Seoul in April from 691€

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

Return flights

27 Apr - 10 May Lufthansa
09 Apr - 28 Apr KLM
14 Apr - 22 Apr SWISS
14 Apr - 19 May SWISS
13 Apr - 22 Apr Lufthansa
07 Apr - 22 Apr SWISS
23 Apr - 10 May Lufthansa
29 Apr - 06 May Lufthansa
29 Apr - 05 May Lufthansa
13 Apr - 21 Apr KLM
07 Apr - 21 Apr KLM
09 Apr - 16 Apr KLM
14 Apr - 07 May SWISS
07 Apr - 15 Apr SWISS
15 Apr - 28 Apr KLM
09 Apr - 22 Apr Lufthansa
27 Apr - 11 May Lufthansa
21 Apr - 06 May SWISS
23 Apr - 19 May Lufthansa
30 Apr - 19 May SWISS

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

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