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

Return flights

19 Dec - 24 Dec	Wizz Air
15 Dec - 20 Dec	Icelandair	direct
18 Dec - 20 Dec	Icelandair	direct
18 Dec - 22 Dec	Icelandair	direct
18 Dec - 24 Dec	Icelandair	direct
24 Dec - 01 Jan	Icelandair	direct
26 Dec - 02 Jan	Wizz Air
19 Dec - 27 Dec	Wizz Air
22 Dec - 27 Dec	Icelandair	direct
20 Dec - 27 Dec	Icelandair	direct
21 Dec - 31 Dec	Ryanair
27 Dec - 03 Jan	Icelandair	direct
30 Dec - 03 Jan	Wizz Air Malta
26 Dec - 03 Jan	LOT
15 Dec - 15 Dec	Finnair
29 Dec - 03 Jan	Icelandair	direct

Also check the deals for one-way flights from Brussels 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 Brussels to Keflavik in December from $325

Return flights