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

Return flights

09 Dec - 16 Dec	British Airways
13 Dec - 04 Jan	easyJet
14 Dec - 04 Jan	easyJet
14 Dec - 05 Jan	easyJet
07 Dec - 20 Dec	KLM
23 Dec - 04 Jan	easyJet
20 Dec - 03 Jan	Ryanair
28 Dec - 03 Jan	Jet2
22 Dec - 05 Jan	Lufthansa
13 Dec - 06 Jan	KLM
12 Dec - 19 Dec	Emirates
13 Dec - 07 Jan	Emirates

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 546€

Return flights