AirHint found the following cheapest return flights from London (LON) to Seoul (ICN) in January 2026 (see full year).

Return flights

25 Jan - 31 Jan	Air China
11 Jan - 19 Jan	Wizz Air Malta
17 Jan - 28 Jan	LOT
19 Jan - 28 Jan	LOT
13 Jan - 27 Jan	Wizz Air Malta
08 Jan - 21 Jan	Lufthansa
07 Jan - 21 Jan	Lufthansa
14 Jan - 28 Jan	Lufthansa
14 Jan - 11 Feb	Lufthansa
16 Jan - 01 Feb	Lufthansa
15 Jan - 22 Jan	Wizz Air
13 Jan - 18 Jan	Wizz Air
20 Jan - 10 Feb	Lufthansa
07 Jan - 07 Feb	Lufthansa
23 Jan - 08 Feb	Lufthansa
22 Jan - 02 Feb	Lufthansa
27 Jan - 04 Feb	Lufthansa
22 Jan - 01 Feb	Lufthansa
23 Jan - 07 Feb	Lufthansa
18 Jan - 26 Feb	Lufthansa

Also check the deals for one-way flights from London to Seoul in January.

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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Cheapest return flights from London to Seoul in January from 433€

Return flights