AirHint found the following cheapest return flights from Barcelona (BCN) to Keflavik (KEF) in October 2026 (see full year).

Return flights

14 Oct - 20 Oct	easyJet
17 Oct - 20 Oct	easyJet
14 Oct - 21 Oct	easyJet
12 Oct - 20 Oct	Vueling Airlines
13 Oct - 16 Oct	Vueling Airlines
07 Oct - 20 Oct	easyJet
13 Oct - 22 Oct	Vueling Airlines
06 Oct - 15 Oct	easyJet
12 Oct - 15 Oct	Vueling Airlines
24 Oct - 31 Oct	Vueling Airlines
27 Oct - 02 Nov	easyJet
30 Oct - 06 Nov	Wizz Air Malta
30 Oct - 05 Nov	Wizz Air Malta
30 Oct - 16 Nov	Wizz Air Malta
30 Oct - 02 Nov	Wizz Air Malta
30 Oct - 07 Nov	easyJet
27 Oct - 02 Nov	Icelandair	direct
30 Oct - 05 Nov	Icelandair	direct
30 Oct - 16 Nov	Icelandair	direct
30 Oct - 02 Nov	Icelandair	direct

Also check the deals for one-way flights from Barcelona 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 Barcelona to Keflavik in October from 164€

Return flights