Cheapest one-way flights from London to Seoul in April from $362

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

One-Way flights

05 Apr China Eastern
23 Apr Air China
14 Apr Air China
06 Apr Hainan Airlines
12 Apr Air China
26 Apr Air China
22 Apr Air China
18 Apr Air China
25 Apr Air China
13 Apr Air China

Also check the deals for return 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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