Cheapest one-way flights from London to Seoul in April from $356

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

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

One-Way flights

23 Apr China Southern
26 Apr China Southern
25 Apr China Southern
28 Apr China Southern
18 Apr China Southern
30 Apr Vueling Airlines
16 Apr China Eastern
29 Apr British Airways
15 Apr China Eastern
13 Apr Tianjin Airlines

Also check the deals for return flights from London to Seoul in April.

Skyscanner

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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