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

Return flights

22 Oct - 26 Oct	Jet2	direct
19 Oct - 22 Oct	Jet2	direct
08 Oct - 22 Oct	Jet2	direct
08 Oct - 12 Oct	Jet2	direct
29 Oct - 04 Nov	easyJet
08 Oct - 15 Oct	Jet2
22 Oct - 22 Oct	Jet2
08 Oct - 15 Oct	Jet2	direct
31 Oct - 04 Nov	Ryanair
12 Oct - 15 Oct	Jet2
12 Oct - 15 Oct	Jet2	direct
23 Oct - 26 Oct	easyJet
25 Oct - 13 Nov	Wizz Air
31 Oct - 02 Nov	Ryanair
25 Oct - 01 Nov	Wizz Air
31 Oct - 04 Nov	Icelandair	direct
29 Oct - 04 Nov	Icelandair	direct
30 Oct - 02 Nov	Icelandair	direct
31 Oct - 02 Nov	Icelandair	direct
28 Oct - 04 Nov	Lufthansa

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 141€

Return flights