Cheapest one-way flights from London to Seoul in December from $408

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

One-Way flights

31 Dec Air China
01 Dec Air China
07 Dec British Airways
09 Dec British Airways
11 Dec British Airways
29 Dec British Airways
10 Dec British Airways
28 Dec British Airways
12 Dec British Airways
27 Dec British Airways

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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