Cheapest return flights from Barcelona to Keflavik in December from $178

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 - 14 Dec Fly Play direct
08 Dec - 12 Dec easyJet
10 Dec - 16 Dec easyJet
04 Dec - 07 Dec Fly Play direct
07 Dec - 14 Dec Fly Play direct
11 Dec - 15 Dec easyJet
14 Dec - 21 Dec Fly Play direct
15 Dec - 21 Dec easyJet
05 Dec - 09 Dec Ryanair
05 Dec - 08 Dec Ryanair
30 Dec - 11 Jan British Airways
28 Dec - 07 Jan British Airways
28 Dec - 04 Jan Fly Play direct
28 Dec - 10 Jan Ryanair
27 Dec - 01 Jan Vueling Airlines
26 Dec - 06 Jan Vueling Airlines
28 Dec - 05 Jan Ryanair
30 Dec - 05 Jan Vueling Airlines
23 Dec - 01 Jan Ryanair
26 Dec - 02 Jan Vueling Airlines

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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