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

Return flights

20 Jan - 05 Feb	Wizz Air
19 Jan - 25 Jan	Ryanair
12 Jan - 29 Jan	Ryanair
20 Jan - 30 Jan	Wizz Air
29 Jan - 05 Feb	Wizz Air
21 Jan - 05 Feb	Wizz Air
20 Jan - 06 Feb	Wizz Air
15 Jan - 28 Jan	Ryanair
19 Jan - 26 Jan	Ryanair
07 Jan - 16 Jan	Ryanair
24 Jan - 28 Jan	Ryanair
20 Jan - 25 Jan	Wizz Air
07 Jan - 18 Jan	Ryanair
26 Jan - 08 Feb	Wizz Air UK
12 Jan - 18 Jan	Ryanair
24 Jan - 07 Feb	Ryanair
26 Jan - 05 Feb	easyJet
29 Jan - 04 Feb	Wizz Air
16 Jan - 12 Feb	Ryanair
31 Jan - 14 Feb	Wizz Air

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 585€

Return flights