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

Return flights

09 Jan - 19 Jan	easyJet
16 Jan - 19 Jan	easyJet
12 Jan - 21 Jan	easyJet
09 Jan - 14 Jan	easyJet
12 Jan - 24 Jan	easyJet
18 Jan - 25 Jan	easyJet
16 Jan - 21 Jan	easyJet
12 Jan - 16 Jan	easyJet
26 Jan - 29 Jan	easyJet
18 Jan - 24 Jan	easyJet
26 Jan - 01 Feb	easyJet
25 Jan - 01 Feb	easyJet
31 Jan - 04 Feb	easyJet
27 Jan - 03 Feb	Vueling Airlines
27 Jan - 05 Feb	Vueling Airlines
29 Jan - 01 Feb	easyJet
31 Jan - 06 Feb	Vueling Airlines
27 Jan - 02 Feb	Vueling Airlines
29 Jan - 01 Feb	Fly Play	direct
25 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 123€

Return flights