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

Return flights

23 Jan - 31 Jan	Ryanair
26 Jan - 06 Feb	Ryanair
13 Jan - 21 Jan	Ryanair
23 Jan - 06 Feb	Ryanair
12 Jan - 21 Jan	Ryanair
26 Jan - 31 Jan	Ryanair
09 Jan - 16 Jan	Ryanair
29 Jan - 05 Feb	Ryanair
26 Jan - 08 Feb	Ryanair
20 Jan - 01 Feb	Ryanair
17 Jan - 28 Jan	Ryanair
15 Jan - 18 Jan	Ryanair
15 Jan - 22 Jan	Ryanair
20 Jan - 26 Jan	Ryanair
19 Jan - 25 Jan	Ryanair
21 Jan - 01 Feb	Ryanair
30 Jan - 06 Feb	Ryanair
26 Jan - 05 Feb	Ryanair
31 Jan - 08 Feb	Ryanair
28 Jan - 05 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from London to Seoul in January from 428€

Return flights