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

Return flights

29 Dec - 30 Dec	Wizz Air
18 Dec - 23 Dec	easyJet
19 Dec - 30 Dec	Wizz Air Malta
27 Dec - 04 Jan	Wizz Air
27 Dec - 03 Jan	Wizz Air
24 Dec - 04 Jan	TUI
23 Dec - 04 Jan	Scandinavian Airlines
26 Dec - 03 Jan	Wizz Air
18 Dec - 20 Dec	Wizz Air
22 Dec - 30 Dec	Wizz Air
20 Dec - 25 Dec	Scandinavian Airlines
20 Dec - 03 Jan	Wizz Air
28 Dec - 29 Dec	easyJet
18 Dec - 19 Dec	easyJet
23 Dec - 29 Dec	Wizz Air
20 Dec - 27 Dec	Wizz Air
27 Dec - 04 Jan	Icelandair	direct

Also check the deals for one-way flights from Reykjavik to Barcelona 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 Reykjavik to Barcelona in December from 356€

Return flights