Cheapest return flights from London to Seoul in April from 350€

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

Return flights

13 Apr - 06 May China Eastern
24 Apr - 11 May China Eastern
24 Apr - 16 May China Eastern
24 Apr - 09 May China Eastern
09 Apr - 09 May China Eastern
21 Apr - 08 May Air China
23 Apr - 15 May Air China
08 Apr - 07 May Air China
12 Apr - 17 May Air China
23 Apr - 11 May Air China
12 Apr - 24 Apr China Eastern
19 Apr - 28 Apr China Eastern
07 Apr - 22 Apr China Eastern
07 Apr - 29 Apr China Eastern
14 Apr - 28 Apr China Eastern
14 Apr - 23 Apr China Eastern
09 Apr - 20 Apr China Eastern
12 Apr - 22 Apr China Eastern
09 Apr - 22 Apr China Eastern
07 Apr - 25 Apr China Eastern

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