Cheapest one-way flights from Seoul to London in April from 529€

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

One-Way flights

30 Apr Korean Air
21 Apr Asiana Airlines
29 Apr Air China
28 Apr Jeju Air
18 Apr Air Busan
24 Apr Air Busan
16 Apr Air Busan
15 Apr Jeju Air
26 Apr Eastar Jet
19 Apr Air Busan

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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