Cheapest return flights from London to Seoul in April from $508

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

Return flights

22 Apr - 13 May Air China
23 Apr - 08 May China Southern
20 Apr - 11 May China Southern
09 Apr - 08 May China Southern
20 Apr - 25 May China Southern
23 Apr - 07 May China Southern
13 Apr - 21 Apr China Southern
17 Apr - 06 May Air China
07 Apr - 11 May Air China
21 Apr - 29 Apr China Eastern
19 Apr - 27 Apr Air China
25 Apr - 03 May China Eastern
27 Apr - 05 May China Eastern
07 Apr - 15 Apr Air China
10 Apr - 21 Apr Air China
07 Apr - 21 Apr Air China
23 Apr - 26 Apr China Southern
20 Apr - 26 Apr China Southern
23 Apr - 29 Apr China Southern
20 Apr - 27 Apr China Southern

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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