Cheapest one-way flights from Seoul to London in December from 142€

AirHint found the following cheapest one-way flights from Seoul (GMP) to London (LHR) in December 2025 (see full year).

One-Way flights

11 Dec China Eastern
13 Dec China Eastern
17 Dec China Eastern
16 Dec China Eastern
18 Dec China Eastern
10 Dec Air China
23 Dec Jeju Air
22 Dec Eastar Jet
21 Dec Eastar Jet
20 Dec Eastar Jet

Also check the deals for return flights from Seoul to London in December.

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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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