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

Return flights

25 Oct - 01 Nov	Icelandair	direct
13 Oct - 17 Oct	easyJet
31 Oct - 03 Nov	Icelandair	direct
01 Oct - 06 Oct	easyJet
22 Oct - 25 Oct	Icelandair	direct
09 Oct - 13 Oct	easyJet
08 Oct - 11 Oct	easyJet
08 Oct - 11 Oct	Icelandair	direct
09 Oct - 13 Oct	Icelandair	direct
18 Oct - 20 Oct	Icelandair	direct
13 Oct - 16 Oct	easyJet
17 Oct - 19 Oct	Icelandair

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

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 October from 186€

Return flights