Cheapest return flights from Glasgow to Keflavik in December from $178

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

07 Dec - 11 Dec Icelandair direct
08 Dec - 13 Dec easyJet
11 Dec - 14 Dec Icelandair direct
05 Dec - 10 Dec easyJet
04 Dec - 08 Dec Icelandair direct
05 Dec - 10 Dec Icelandair direct
08 Dec - 13 Dec Icelandair direct
12 Dec - 15 Dec Icelandair direct
26 Dec - 28 Dec Icelandair direct
29 Dec - 31 Dec easyJet
27 Dec - 01 Jan easyJet
28 Dec - 01 Jan Icelandair direct
27 Dec - 01 Jan Icelandair direct
29 Dec - 02 Jan easyJet

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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