Cheapest one-way flights from London to Seoul in April from $468

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

One-Way flights

07 Apr China Southern
20 Apr China Southern
10 Apr China Southern
12 Apr China Southern
14 Apr China Southern
15 Apr China Southern
21 Apr China Southern
16 Apr Air China
27 Apr Lufthansa
11 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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