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

Return flights

01 Dec - 09 Dec	easyJet
13 Dec - 04 Jan	Ryanair
26 Dec - 16 Jan	easyJet
22 Dec - 06 Jan	Lufthansa
22 Dec - 02 Jan	Lufthansa
20 Dec - 05 Jan	Lufthansa
20 Dec - 02 Jan	Lufthansa
21 Dec - 02 Jan	Ryanair
14 Dec - 05 Jan	KLM
12 Dec - 03 Jan	Air France
14 Dec - 03 Jan	KLM
12 Dec - 19 Dec	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 $607

Return flights