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

Return flights

14 Jan - 21 Jan	Ryanair
07 Jan - 21 Jan	Ryanair
26 Jan - 08 Feb	Wizz Air UK
26 Jan - 01 Feb	Wizz Air UK
05 Jan - 26 Jan	Ryanair
04 Jan - 07 Feb	Ryanair
12 Jan - 30 Jan	Ryanair
08 Jan - 11 Jan	Ryanair
04 Jan - 11 Jan	Ryanair
10 Jan - 16 Jan	Ryanair
23 Jan - 28 Jan	Ryanair
14 Jan - 25 Jan	Ryanair
05 Jan - 12 Jan	Ryanair
07 Jan - 09 Feb	Ryanair
31 Jan - 07 Feb	Ryanair
28 Jan - 08 Feb	Wizz Air
27 Jan - 04 Feb	Ryanair
31 Jan - 15 Feb	Ryanair
27 Jan - 07 Feb	Ryanair
27 Jan - 08 Feb	easyJet

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 600€

Return flights