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

Return flights

20 Jan - 01 Feb	Ryanair
12 Jan - 23 Jan	Ryanair
22 Jan - 30 Jan	Ryanair
09 Jan - 23 Jan	Ryanair
16 Jan - 30 Jan	Ryanair
10 Jan - 23 Jan	Ryanair
15 Jan - 23 Jan	Ryanair
10 Jan - 17 Jan	Ryanair
15 Jan - 24 Jan	Ryanair
17 Jan - 23 Jan	Ryanair
11 Jan - 23 Jan	Ryanair
15 Jan - 20 Feb	Ryanair
05 Jan - 20 Feb	Ryanair
25 Jan - 01 Feb	Ryanair
24 Jan - 04 Feb	Ryanair
27 Jan - 01 Feb	Ryanair
26 Jan - 01 Feb	Ryanair
21 Jan - 04 Feb	Ryanair
31 Jan - 22 Feb	Ryanair
19 Jan - 26 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 420€

Return flights