Cheapest one-way flights from Seoul to London in April from $275

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

One-Way flights

01 Apr China Southern
02 Apr China Southern
17 Apr Air China
05 Apr China Southern
06 Apr China Southern
18 Apr Air China
07 Apr Etihad Airways
08 Apr Air China
09 Apr Etihad Airways
27 Apr Vietnam Airlines

Also check the deals for return flights from Seoul to London 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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