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

Return flights

19 Jan - 25 Jan	Wizz Air UK
17 Jan - 25 Jan	Ryanair
08 Jan - 15 Jan	Ryanair
12 Jan - 25 Jan	Ryanair
12 Jan - 18 Jan	Ryanair
18 Jan - 25 Jan	Wizz Air
07 Jan - 16 Jan	Ryanair
17 Jan - 24 Jan	Ryanair
26 Jan - 05 Feb	Wizz Air UK
13 Jan - 25 Jan	Wizz Air Malta
03 Jan - 09 Jan	Ryanair
19 Jan - 06 Feb	Wizz Air UK
22 Jan - 05 Feb	Ryanair
26 Jan - 02 Feb	Ryanair
28 Jan - 04 Feb	Wizz Air
05 Jan - 10 Feb	Ryanair
30 Jan - 06 Feb	Wizz Air UK
27 Jan - 02 Feb	Wizz Air Malta
27 Jan - 04 Feb	Wizz Air Malta
24 Jan - 13 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 609€

Return flights