Cheapest one-way flights from London to Seoul in December from $435

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

One-Way flights

01 Dec China Southern
03 Dec China Southern
04 Dec China Southern
02 Dec China Southern
31 Dec Shenzhen Airlines
29 Dec Shenzhen Airlines
30 Dec Air China
07 Dec Lufthansa
09 Dec Lufthansa
06 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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