Cheapest one-way flights from Seoul to London in April from $433

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

One-Way flights

15 Apr Air China
26 Apr Air China
09 Apr Air China
03 Apr Air China
27 Apr Air China
04 Apr Air China
19 Apr Air China
22 Apr Air China
17 Apr Air China
16 Apr Air China

Also check the deals for return flights from Seoul to London 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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