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

Return flights

12 Jan - 23 Jan	easyJet
19 Jan - 24 Jan	easyJet
12 Jan - 17 Jan	Vueling Airlines
16 Jan - 24 Jan	easyJet
15 Jan - 23 Jan	easyJet
12 Jan - 22 Jan	easyJet
16 Jan - 23 Jan	easyJet
26 Jan - 02 Feb	Vueling Airlines
13 Jan - 24 Jan	Vueling Airlines
12 Jan - 21 Jan	easyJet
11 Jan - 17 Jan	Vueling Airlines
22 Jan - 01 Feb	easyJet
28 Jan - 03 Feb	Vueling Airlines
31 Jan - 08 Feb	Vueling Airlines
31 Jan - 09 Feb	Vueling Airlines
20 Jan - 01 Feb	Vueling Airlines
30 Jan - 01 Feb	easyJet
27 Jan - 02 Feb	Vueling Airlines
30 Jan - 08 Feb	easyJet
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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Barcelona to Keflavik in January from $168

Return flights