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

Return flights

12 Jan - 19 Jan	easyJet
14 Jan - 19 Jan	easyJet
17 Jan - 24 Jan	easyJet
10 Jan - 17 Jan	Vueling Airlines
13 Jan - 16 Jan	Vueling Airlines
11 Jan - 18 Jan	easyJet
18 Jan - 25 Jan	Vueling Airlines
22 Jan - 29 Jan	Vueling Airlines
11 Jan - 18 Jan	Fly Play	direct
22 Jan - 25 Jan	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 135€

Return flights