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

Return flights

25 Jan - 30 Jan	easyJet
26 Jan - 30 Jan	easyJet
24 Jan - 30 Jan	easyJet
25 Jan - 28 Jan	easyJet
26 Jan - 28 Jan	easyJet
24 Jan - 28 Jan	easyJet
16 Jan - 19 Jan	Vueling Airlines
15 Jan - 30 Jan	Vueling Airlines
25 Jan - 29 Jan	easyJet
18 Jan - 28 Jan	easyJet
26 Jan - 04 Feb	easyJet
26 Jan - 07 Feb	easyJet
23 Jan - 05 Feb	easyJet
28 Jan - 04 Feb	easyJet
28 Jan - 05 Feb	Vueling Airlines
31 Jan - 04 Feb	easyJet
26 Jan - 02 Feb	Vueling Airlines
26 Jan - 03 Feb	Vueling Airlines
31 Jan - 05 Feb	easyJet
26 Jan - 01 Feb	easyJet

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