Cheapest one-way flights from Seoul to London in April from 158€

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

One-Way flights

06 Apr China Eastern
01 Apr Air China
02 Apr Air China
04 Apr Air China
14 Apr HK Express
21 Apr HK Express
15 Apr HK Express
28 Apr HK Express
22 Apr HK Express
29 Apr HK Express

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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