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

Return flights

08 Dec - 17 Dec	easyJet
06 Dec - 15 Dec	Wizz Air Malta
14 Dec - 18 Dec	Wizz Air Malta
14 Dec - 19 Dec	easyJet
05 Dec - 09 Dec	Wizz Air
06 Dec - 10 Dec	Wizz Air Malta
15 Dec - 19 Dec	easyJet
04 Dec - 09 Dec	Wizz Air
05 Dec - 08 Dec	Wizz Air
17 Dec - 22 Dec	easyJet
22 Dec - 01 Jan	Wizz Air Malta
29 Dec - 04 Jan	Wizz Air
29 Dec - 02 Jan	Wizz Air
27 Dec - 01 Jan	KLM
27 Dec - 02 Jan	Wizz Air
27 Dec - 02 Jan	Icelandair	direct
27 Dec - 03 Jan	transavia
27 Dec - 01 Jan	Icelandair	direct
29 Dec - 02 Jan	Icelandair	direct
29 Dec - 04 Jan	Icelandair	direct

Also check the deals for one-way flights from Barcelona to Keflavik in December.

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Barcelona to Keflavik in December from 152€

Return flights