Cheapest return flights from Keflavik to Barcelona in January from $162

AirHint found the following cheapest return flights from Keflavik (KEF) to Barcelona (BCN) in January 2026 (see full year).

Return flights

22 Jan - 25 Jan Lufthansa
23 Jan - 26 Jan easyJet
08 Jan - 14 Jan Wizz Air
17 Jan - 24 Jan Wizz Air
15 Jan - 19 Jan easyJet
16 Jan - 20 Jan easyJet
23 Jan - 27 Jan easyJet
22 Jan - 26 Jan easyJet
26 Jan - 30 Jan Wizz Air Malta
10 Jan - 16 Jan Wizz Air
24 Jan - 01 Feb Wizz Air
24 Jan - 01 Feb Icelandair direct

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

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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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