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

Return flights

30 Jan - 07 Feb	Wizz Air
25 Jan - 30 Jan	Wizz Air
18 Jan - 23 Jan	Wizz Air
11 Jan - 23 Jan	Wizz Air
19 Jan - 22 Jan	Ryanair
07 Jan - 11 Jan	Ryanair
23 Jan - 28 Jan	Ryanair
05 Jan - 11 Jan	Ryanair
30 Jan - 05 Feb	Wizz Air
08 Jan - 12 Jan	Wizz Air
12 Jan - 27 Jan	Ryanair
06 Jan - 10 Jan	Ryanair
30 Jan - 02 Feb	Wizz Air
31 Jan - 05 Feb	Ryanair
30 Jan - 03 Feb	Wizz Air
30 Jan - 06 Feb	Wizz Air
09 Jan - 01 Feb	Ryanair
31 Jan - 06 Feb	Ryanair
29 Jan - 01 Feb	Ryanair
25 Jan - 05 Feb	Wizz Air

Also check the deals for one-way flights from Brussels to Keflavik in January.

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 January from 138€

Return flights