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

Return flights

01 Dec - 08 Dec	easyJet
26 Dec - 09 Jan	British Airways
29 Dec - 03 Jan	KLM
29 Dec - 06 Jan	KLM
20 Dec - 07 Jan	easyJet
20 Dec - 06 Jan	easyJet
21 Dec - 05 Jan	Jet2
20 Dec - 04 Jan	easyJet
20 Dec - 05 Jan	easyJet
20 Dec - 03 Jan	easyJet
14 Dec - 05 Jan	Lufthansa

Also check the deals for one-way flights from Glasgow 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 Glasgow to Seoul in December from 421€

Return flights