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

Return flights

28 Jan - 05 Feb	Wizz Air Malta
21 Jan - 24 Jan	Wizz Air
23 Jan - 01 Feb	Wizz Air Malta
28 Jan - 03 Feb	Wizz Air
27 Jan - 02 Feb	Wizz Air Malta
26 Jan - 10 Feb	Wizz Air
26 Jan - 05 Feb	easyJet
19 Jan - 03 Feb	Wizz Air
28 Jan - 04 Feb	Wizz Air
22 Jan - 24 Jan	Ryanair
19 Jan - 24 Jan	easyJet
26 Jan - 09 Feb	Wizz Air Malta
25 Jan - 01 Feb	Wizz Air
22 Jan - 25 Jan	Wizz Air Malta
19 Jan - 27 Jan	easyJet
22 Jan - 28 Jan	Wizz Air Malta
26 Jan - 28 Jan	Wizz Air Malta
18 Jan - 20 Jan	Ryanair
28 Jan - 31 Jan	Wizz Air
18 Jan - 24 Jan	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 448€

Return flights