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

Return flights

12 Jan - 17 Jan	Vueling Airlines
15 Jan - 19 Jan	Vueling Airlines
25 Jan - 28 Jan	Vueling Airlines
13 Jan - 17 Jan	Vueling Airlines
08 Jan - 19 Jan	Vueling Airlines
18 Jan - 24 Jan	easyJet
25 Jan - 31 Jan	Vueling Airlines
26 Jan - 31 Jan	Vueling Airlines
09 Jan - 11 Jan	Vueling Airlines
14 Jan - 18 Jan	easyJet
27 Jan - 01 Feb	Vueling Airlines
29 Jan - 01 Feb	Vueling Airlines
29 Jan - 01 Feb	Fly Play	direct

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 148€

Return flights