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

Return flights

10 Jan - 05 Feb	Ryanair
26 Jan - 03 Feb	Ryanair
10 Jan - 25 Jan	Ryanair
10 Jan - 20 Jan	Ryanair
19 Jan - 27 Jan	Ryanair
08 Jan - 22 Jan	Wizz Air UK
16 Jan - 23 Jan	Wizz Air UK
19 Jan - 24 Jan	Wizz Air UK
09 Jan - 18 Jan	Ryanair
06 Jan - 21 Jan	Wizz Air UK
26 Jan - 09 Feb	Ryanair
12 Jan - 17 Jan	Ryanair
05 Jan - 21 Jan	Ryanair
31 Jan - 14 Feb	Ryanair

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 598€

Return flights