Cheapest return LCY–ICN flights, April

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

Return flights

25 Apr - 11 May KLM
27 Apr - 10 May KLM
20 Apr - 10 May KLM
23 Apr - 30 Apr KLM
24 Apr - 11 May KLM
21 Apr - 14 May KLM
21 Apr - 28 Apr KLM
29 Apr - 20 May Lufthansa
29 Apr - 06 May Lufthansa
27 Apr - 13 May Lufthansa
27 Apr - 06 May Lufthansa
29 Apr - 13 May Lufthansa
27 Apr - 29 Apr Lufthansa
24 Apr - 29 Apr SWISS
25 Apr - 30 Apr KLM
22 Apr - 26 Apr KLM
25 Apr - 29 Apr SWISS
23 Apr - 26 Apr KLM
21 Apr - 29 Apr SWISS
22 Apr - 29 Apr Lufthansa

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

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