Cheapest return flights from Barcelona to Keflavik in December from 159€

Best time to book flights for Barcelona (BCN) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Barcelona (BCN) to Keflavik (KEF) in December 2025 (see full year).

Return flights

08 Dec - 13 Dec easyJet
06 Dec - 10 Dec easyJet
07 Dec - 13 Dec easyJet
09 Dec - 14 Dec easyJet
07 Dec - 14 Dec easyJet
03 Dec - 10 Dec easyJet
06 Dec - 09 Dec easyJet
06 Dec - 11 Dec easyJet
03 Dec - 08 Dec easyJet
05 Dec - 11 Dec Ryanair
28 Dec - 04 Jan Ryanair
28 Dec - 05 Jan Ryanair
25 Dec - 09 Jan Wizz Air
28 Dec - 04 Jan Fly Play direct
30 Dec - 04 Jan Ryanair
28 Dec - 05 Jan Icelandair direct

Also check the deals for one-way flights from Barcelona to Keflavik in December.

Skyscanner

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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