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

Return flights

26 Jan - 02 Feb	Vueling Airlines
24 Jan - 28 Jan	easyJet
19 Jan - 28 Jan	Ryanair
19 Jan - 24 Jan	Ryanair
19 Jan - 23 Jan	Ryanair
20 Jan - 22 Jan	Vueling Airlines
19 Jan - 30 Jan	Ryanair
20 Jan - 29 Jan	easyJet
30 Jan - 02 Feb	Ryanair
30 Jan - 06 Feb	Vueling Airlines
30 Jan - 05 Feb	Vueling Airlines
19 Jan - 29 Jan	Ryanair
20 Jan - 24 Jan	Vueling Airlines
30 Jan - 07 Feb	Wizz Air Malta
30 Jan - 14 Feb	Vueling Airlines
27 Jan - 29 Jan	Vueling Airlines
27 Jan - 05 Feb	Vueling Airlines
28 Jan - 01 Feb	Vueling Airlines
30 Jan - 01 Feb	Vueling Airlines
29 Jan - 06 Feb	Ryanair

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 171€

Return flights