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

Return flights

09 Jan - 31 Jan	Air China
16 Jan - 22 Jan	Air China
04 Jan - 24 Jan	Air China
02 Jan - 22 Jan	Air China
27 Jan - 04 Feb	Wizz Air UK
14 Jan - 28 Jan	Ryanair
07 Jan - 21 Jan	Ryanair
20 Jan - 28 Jan	Wizz Air UK
18 Jan - 25 Jan	Wizz Air UK
01 Jan - 12 Jan	Wizz Air UK
14 Jan - 23 Jan	Ryanair
19 Jan - 07 Feb	Ryanair
19 Jan - 05 Feb	Turkish Airlines
22 Jan - 02 Feb	Turkish Airlines
24 Jan - 07 Feb	Wizz Air UK
12 Jan - 16 Feb	China Eastern
29 Jan - 12 Feb	Turkish Airlines
28 Jan - 08 Feb	Air China
28 Jan - 11 Feb	Turkish Airlines
21 Jan - 11 Feb	Turkish Airlines

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 518€

Return flights