Cheapest return flights from London to Seoul in April from $589

Best time to book flights for London (LHR) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Seoul (ICN) in April 2025 (see full year).

Return flights

21 Apr - 16 May China Southern
23 Apr - 11 May China Southern
15 Apr - 13 May China Southern
23 Apr - 14 May China Southern
22 Apr - 11 May China Southern
21 Apr - 30 May China Southern
21 Apr - 21 May China Southern
23 Apr - 08 May China Southern
23 Apr - 06 May China Southern
22 Apr - 21 May China Southern
14 Apr - 28 Apr Air China
20 Apr - 28 Apr Air China
18 Apr - 28 Apr Air China
21 Apr - 28 Apr Air China
19 Apr - 28 Apr Air China
17 Apr - 28 Apr Air China
09 Apr - 15 Apr China Southern
09 Apr - 12 Apr China Southern
14 Apr - 30 Apr China Southern
23 Apr - 30 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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