AirHint found the following cheapest return flights from Glasgow (GLA) to Kos (KGS) in January 2026 (see full year).

Return flights

23 Jan - 29 Jan	Wizz Air Malta
23 Jan - 30 Jan	Wizz Air Malta
23 Jan - 31 Jan	Wizz Air Malta
22 Jan - 29 Jan	Aer Lingus
24 Jan - 31 Jan	Ryanair
22 Jan - 28 Jan	Ryanair
20 Jan - 27 Jan	Ryanair
21 Jan - 28 Jan	Ryanair
21 Jan - 27 Jan	Ryanair

Also check the deals for one-way flights from Glasgow to Kos in January.

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 Kos in January from 201€

Return flights