Cheapest one-way flights from London to Seoul in December from $449

Best time to book flights for London (LHR) to Seoul (GMP) flights at AirHint

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

One-Way flights

01 Dec Air China
30 Dec China Southern
09 Dec Air China
27 Dec Austrian Airlines
23 Dec Finnair
13 Dec SWISS
22 Dec British Airways
24 Dec Air China
20 Dec Air China
14 Dec China Southern

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

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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