Cheapest one-way flights from Seoul to London in April from $245

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

One-Way flights

01 Apr Air China
29 Apr Air China
05 Apr Korean Air
12 Apr Korean Air
24 Apr Air China
27 Apr Air China
30 Apr Air China
28 Apr Air China
26 Apr Air China
23 Apr Air China

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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