Cheapest return flights from Glasgow to Keflavik in December from $249

Best time to book flights for Glasgow (GLA) to Keflavik (KEF) flights at AirHint

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

Return flights

27 Dec - 01 Jan Icelandair direct
26 Dec - 02 Jan Icelandair direct
28 Dec - 01 Jan Icelandair direct
18 Dec - 21 Dec Ryanair
22 Dec - 27 Dec Icelandair direct
20 Dec - 27 Dec Ryanair
21 Dec - 28 Dec Icelandair direct
28 Dec - 31 Dec Ryanair
27 Dec - 31 Dec Ryanair
26 Dec - 29 Dec Ryanair
27 Dec - 29 Dec Ryanair
28 Dec - 29 Dec Ryanair
28 Dec - 30 Dec Ryanair
27 Dec - 02 Jan Ryanair

Also check the deals for one-way flights from Glasgow to Keflavik in December.

Skyscanner

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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