Cheapest return flights from Barcelona to Keflavik in December from $215

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

04 Dec - 07 Dec Fly Play direct
02 Dec - 07 Dec easyJet
15 Dec - 21 Dec easyJet
15 Dec - 22 Dec easyJet
05 Dec - 09 Dec Ryanair
30 Dec - 08 Jan British Airways
21 Dec - 28 Dec Fly Play direct
28 Dec - 01 Jan Fly Play direct
23 Dec - 30 Dec British Airways
23 Dec - 01 Jan easyJet
28 Dec - 04 Jan Fly Play direct
21 Dec - 29 Dec British Airways
23 Dec - 29 Dec easyJet
24 Dec - 30 Dec easyJet
28 Dec - 05 Jan Ryanair
27 Dec - 04 Jan Vueling Airlines
30 Dec - 04 Jan British Airways
28 Dec - 03 Jan British Airways
24 Dec - 01 Jan SWISS
30 Dec - 08 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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