Cheapest return flights from Keflavik to Barcelona in December from $188

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

Return flights

04 Dec - 12 Dec easyJet
04 Dec - 11 Dec easyJet
04 Dec - 11 Dec Fly Play direct
22 Dec - 02 Jan easyJet
26 Dec - 01 Jan easyJet
18 Dec - 25 Dec easyJet
21 Dec - 28 Dec Fly Play direct
04 Dec - 12 Dec Icelandair direct
22 Dec - 02 Jan Icelandair direct

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