Cheapest return flights from Keflavik to Barcelona in October from $189

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

Return flights

06 Oct - 13 Oct Jet2
09 Oct - 19 Oct Wizz Air Malta
08 Oct - 19 Oct Jet2
08 Oct - 12 Oct Jet2
11 Oct - 14 Oct Wizz Air
06 Oct - 17 Oct Jet2
03 Oct - 06 Oct Fly Play direct
11 Oct - 22 Oct Wizz Air
04 Oct - 17 Oct Wizz Air
09 Oct - 20 Oct Wizz Air Malta

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

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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