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

Return flights

31 Jan - 06 Feb	easyJet
26 Jan - 28 Jan	easyJet
24 Jan - 28 Jan	Wizz Air
20 Jan - 28 Jan	Vueling Airlines
26 Jan - 30 Jan	easyJet
26 Jan - 04 Feb	easyJet
14 Jan - 23 Jan	Wizz Air
29 Jan - 07 Feb	easyJet
13 Jan - 16 Jan	Vueling Airlines
30 Jan - 05 Feb	Ryanair
24 Jan - 02 Feb	Wizz Air
11 Jan - 14 Jan	easyJet
14 Jan - 21 Jan	easyJet
31 Jan - 07 Feb	Wizz Air
18 Jan - 23 Jan	easyJet
24 Jan - 27 Jan	Wizz Air
29 Jan - 04 Feb	easyJet
27 Jan - 05 Feb	Vueling Airlines
30 Jan - 02 Feb	Ryanair
29 Jan - 01 Feb	Wizz Air

Also check the deals for one-way flights from Barcelona 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 Barcelona to Keflavik in January from 124€

Return flights