Cheapest return flights from London to Seoul in April from $899

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

Return flights

21 Apr - 20 May SWISS
14 Apr - 06 May SWISS
21 Apr - 06 May SWISS
28 Apr - 06 May SWISS
28 Apr - 11 May SWISS
27 Apr - 12 May KLM
21 Apr - 28 Apr KLM
13 Apr - 22 Apr KLM
21 Apr - 04 May SWISS
15 Apr - 28 Apr KLM
13 Apr - 27 Apr KLM
13 Apr - 23 Apr KLM
20 Apr - 27 Apr Lufthansa
28 Apr - 04 May SWISS
13 Apr - 24 Apr KLM
13 Apr - 20 Apr KLM
27 Apr - 13 May KLM
22 Apr - 28 Apr KLM
13 Apr - 19 Apr KLM
27 Apr - 07 May KLM

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

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