Cheapest return flights from London to Seoul in April from 371€

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

Return flights

20 Apr - 13 May China Eastern
28 Apr - 06 May China Eastern
14 Apr - 17 May China Eastern
16 Apr - 17 May China Eastern
21 Apr - 10 May China Eastern
23 Apr - 12 May China Eastern
16 Apr - 21 May China Eastern
15 Apr - 10 May China Eastern
13 Apr - 08 May China Eastern
22 Apr - 10 May China Eastern
22 Apr - 29 Apr Ryanair
15 Apr - 24 Apr Ryanair
22 Apr - 30 Apr Ryanair
14 Apr - 28 Apr China Eastern
20 Apr - 30 Apr China Eastern
22 Apr - 27 Apr Wizz Air
15 Apr - 28 Apr Ryanair
26 Apr - 30 Apr Ryanair
13 Apr - 24 Apr China Eastern
10 Apr - 21 Apr Ryanair

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

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