AirHint found the following cheapest return flights from Edinburgh (EDI) to Seoul (ICN) in December 2025 (see full year).

Return flights

08 Dec - 22 Dec	Turkish Airlines
05 Dec - 14 Dec	Lufthansa
22 Dec - 15 Jan	Hainan Airlines
31 Dec - 13 Jan	KLM
11 Dec - 01 Jan	Lufthansa
11 Dec - 04 Jan	easyJet
15 Dec - 17 Jan	KLM
11 Dec - 06 Jan	Finnair
11 Dec - 07 Jan	Finnair
08 Dec - 08 Jan	KLM
15 Dec - 16 Jan	KLM
12 Dec - 09 Jan	Air France
23 Dec - 30 Dec	Air France

Also check the deals for one-way flights from Edinburgh 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 Edinburgh to Seoul in December from $863

Return flights