Cheapest return flights from London to Seoul in April from 689€

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

Return flights

28 Apr - 06 May SWISS
21 Apr - 06 May SWISS
27 Apr - 20 May Lufthansa
15 Apr - 29 Apr Lufthansa
13 Apr - 22 Apr Air Dolomiti
14 Apr - 22 Apr SWISS
16 Apr - 23 Apr Lufthansa
20 Apr - 28 Apr Lufthansa
20 Apr - 30 Apr Lufthansa
14 Apr - 23 Apr Lufthansa
20 Apr - 04 May Lufthansa
15 Apr - 22 Apr Lufthansa
15 Apr - 06 May Lufthansa
30 Apr - 07 May Lufthansa
21 Apr - 29 Apr SWISS
28 Apr - 12 May SWISS
24 Apr - 04 May Air Dolomiti
07 Apr - 22 Apr SWISS
26 Apr - 07 May Lufthansa
20 Apr - 03 May Lufthansa

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

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