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

Return flights

03 Dec - 10 Dec	easyJet
01 Dec - 08 Dec	easyJet
02 Dec - 08 Dec	easyJet
01 Dec - 15 Dec	easyJet
02 Dec - 12 Dec	easyJet
01 Dec - 14 Dec	easyJet
06 Dec - 13 Dec	easyJet
04 Dec - 21 Dec	easyJet
08 Dec - 22 Dec	British Airways
01 Dec - 12 Dec	British Airways
24 Dec - 12 Jan	Ryanair
28 Dec - 07 Jan	Ryanair
13 Dec - 08 Jan	easyJet
13 Dec - 11 Jan	easyJet
14 Dec - 05 Jan	Ryanair
05 Dec - 12 Jan	Air France
05 Dec - 13 Jan	Air France
05 Dec - 11 Jan	Air France
05 Dec - 10 Jan	Air France
13 Dec - 10 Jan	easyJet

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 429€

Return flights