AirHint found the following cheapest return flights from Barcelona (BCN) to Keflavik (KEF) in December 2025 (see full year).

Return flights

09 Dec - 11 Dec	easyJet
08 Dec - 09 Dec	easyJet
09 Dec - 16 Dec	easyJet
08 Dec - 11 Dec	easyJet
03 Dec - 06 Dec	easyJet
08 Dec - 10 Dec	Ryanair
07 Dec - 11 Dec	Ryanair
03 Dec - 09 Dec	easyJet
09 Dec - 13 Dec	Wizz Air
09 Dec - 12 Dec	Wizz Air
18 Dec - 08 Jan	easyJet
29 Dec - 08 Jan	Wizz Air Malta
16 Dec - 01 Jan	Wizz Air Malta
31 Dec - 06 Jan	Ryanair
22 Dec - 06 Jan	Ryanair
30 Dec - 06 Jan	Ryanair
26 Dec - 04 Jan	Wizz Air Malta
30 Dec - 04 Jan	Ryanair
27 Dec - 04 Jan	Ryanair
19 Dec - 03 Jan	Wizz Air

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.

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Cheapest return flights from Barcelona to Keflavik in December from 169€

Return flights