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

Return flights

01 Oct - 08 Oct	easyJet
01 Oct - 06 Oct	easyJet
01 Oct - 05 Oct	easyJet
31 Oct - 03 Nov	easyJet
06 Oct - 09 Oct	easyJet
30 Oct - 03 Nov	easyJet
12 Oct - 22 Oct	easyJet
21 Oct - 26 Oct	easyJet
12 Oct - 22 Oct	Jet2	direct
13 Oct - 17 Oct	easyJet
15 Oct - 19 Oct	KLM
09 Oct - 12 Oct	easyJet
31 Oct - 03 Nov	Icelandair	direct
29 Oct - 01 Nov	Icelandair	direct
30 Oct - 02 Nov	easyJet
30 Oct - 02 Nov	Icelandair	direct
23 Oct - 02 Nov	Icelandair	direct
25 Oct - 01 Nov	easyJet

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 $206

Return flights