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

Return flights

02 Dec - 06 Dec	Ryanair
01 Dec - 14 Dec	Wizz Air UK
10 Dec - 18 Dec	Wizz Air UK
01 Dec - 19 Dec	Wizz Air UK
01 Dec - 10 Dec	Wizz Air UK
01 Dec - 07 Dec	Wizz Air UK
11 Dec - 18 Dec	Ryanair
05 Dec - 07 Dec	Wizz Air UK
05 Dec - 19 Dec	Ryanair
04 Dec - 20 Dec	Wizz Air UK
12 Dec - 02 Jan	Ryanair
11 Dec - 03 Jan	Ryanair
26 Dec - 02 Jan	Wizz Air
16 Dec - 02 Jan	Ryanair
22 Dec - 05 Jan	Wizz Air UK
30 Dec - 04 Jan	Ryanair
24 Dec - 05 Jan	easyJet
21 Dec - 02 Jan	easyJet
21 Dec - 04 Jan	easyJet
20 Dec - 02 Jan	easyJet

Also check the deals for one-way flights from London to Seoul in December.

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 December from 602€

Return flights