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

Return flights

15 Jan - 18 Jan	Icelandair	direct
25 Jan - 29 Jan	Icelandair	direct
26 Jan - 30 Jan	Icelandair	direct
16 Jan - 18 Jan	Icelandair	direct
25 Jan - 28 Jan	Icelandair	direct
19 Jan - 23 Jan	Icelandair	direct
28 Jan - 01 Feb	Icelandair	direct
24 Jan - 28 Jan	Icelandair	direct
08 Jan - 11 Jan	Icelandair	direct
10 Jan - 14 Jan	Icelandair	direct
17 Jan - 21 Jan	Icelandair	direct

Also check the deals for one-way flights from Glasgow to Keflavik 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 Keflavik in January from $154

Return flights