Cheapest return flights from Keflavik to Barcelona in December from 216€

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

Return flights

07 Dec - 09 Dec easyJet
18 Dec - 21 Dec easyJet
19 Dec - 04 Jan easyJet
20 Dec - 31 Dec SWISS
21 Dec - 06 Jan easyJet
21 Dec - 24 Dec easyJet
18 Dec - 28 Dec easyJet
22 Dec - 28 Dec easyJet
18 Dec - 21 Dec Fly Play direct
18 Dec - 28 Dec Fly Play direct
22 Dec - 28 Dec 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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