Cheapest one-way flights from London to Seoul in December from $447

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

29 Dec Air China
31 Dec Air China
30 Dec China Southern
12 Dec British Airways
10 Dec Air China
18 Dec British Airways
08 Dec Emirates
13 Dec China Southern
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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