Cheapest return flights from Seoul to London in April from $667

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

Return flights

25 Apr - 30 Apr Malaysia Airlines
26 Apr - 02 May Malaysia Airlines
25 Apr - 02 May Malaysia Airlines
26 Apr - 11 May Malaysia Airlines
25 Apr - 11 May Malaysia Airlines
22 Apr - 28 Apr Scandinavian Airlines
20 Apr - 30 Apr Scandinavian Airlines
20 Apr - 28 Apr Scandinavian Airlines
17 Apr - 24 Apr Scandinavian Airlines
15 Apr - 23 Apr Scandinavian Airlines
27 Apr - 05 May Scandinavian Airlines
24 Apr - 05 May Scandinavian Airlines
20 Apr - 24 Apr Scandinavian Airlines
24 Apr - 03 May Scandinavian Airlines
25 Apr - 05 May Scandinavian Airlines
25 Apr - 03 May Scandinavian Airlines
27 Apr - 08 May Scandinavian Airlines
08 Apr - 17 Apr SWISS
13 Apr - 21 Apr Finnair
09 Apr - 12 Apr Finnair

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

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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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