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

Return flights

01 Dec - 10 Dec	Wizz Air Malta
03 Dec - 18 Dec	Wizz Air UK
14 Dec - 04 Jan	Ryanair
14 Dec - 18 Jan	Ryanair
12 Dec - 28 Dec	Ryanair
04 Dec - 11 Dec	Wizz Air
13 Dec - 18 Dec	Wizz Air
14 Dec - 05 Jan	Ryanair
10 Dec - 12 Jan	Wizz Air Malta
01 Dec - 18 Dec	Wizz Air
11 Dec - 11 Jan	Ryanair
11 Dec - 19 Dec	Ryanair
04 Dec - 04 Jan	Ryanair
13 Dec - 05 Jan	Ryanair
08 Dec - 15 Dec	Wizz Air UK
15 Dec - 14 Jan	Wizz Air Malta
17 Dec - 04 Jan	easyJet
16 Dec - 05 Jan	Wizz Air Malta
15 Dec - 22 Dec	Wizz Air Malta
10 Dec - 24 Dec	Wizz Air UK

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 621€

Return flights