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

Return flights

24 Jan - 25 Jan	Air China
07 Jan - 14 Jan	Etihad Airways
31 Jan - 06 Feb	Air China
29 Jan - 01 Feb	Air China
28 Jan - 06 Feb	Asiana Airlines
16 Jan - 20 Jan	Asiana Airlines
20 Jan - 30 Jan	Air China
21 Jan - 27 Jan	Emirates
21 Jan - 29 Jan	Emirates
21 Jan - 28 Jan	Emirates
28 Jan - 05 Feb	Emirates
26 Jan - 04 Feb	Emirates
28 Jan - 09 Feb	Emirates
13 Jan - 09 Feb	Etihad Airways
20 Jan - 27 Jan	Emirates
20 Jan - 29 Jan	Emirates
20 Jan - 03 Feb	Emirates
27 Jan - 03 Feb	Emirates
27 Jan - 10 Feb	Emirates
12 Jan - 27 Jan	Emirates

Also check the deals for one-way flights from Seoul to London 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 Seoul to London in January from 599€

Return flights