Cheapest one-way flights from Seoul to London in December from $294

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

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

One-Way flights

02 Dec Royal Brunei
07 Dec Vietnam Airlines
13 Dec Vietnam Airlines
14 Dec Vietnam Airlines
12 Dec Vietnam Airlines
15 Dec Vietnam Airlines
10 Dec Vietnam Airlines
17 Dec Lufthansa
04 Dec Lufthansa
03 Dec Lufthansa

Also check the deals for return flights from Seoul to London 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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