Cheapest one-way flights from Barcelona to Keflavik in October from $69

Best time to book flights for Barcelona (BCN) to Keflavik (KEF) flights at AirHint

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

One-Way flights

16 Oct Vueling Airlines
14 Oct easyJet
15 Oct Vueling Airlines
01 Oct easyJet
07 Oct Vueling Airlines
04 Oct Vueling Airlines
05 Oct Wizz Air
15 Oct Fly Play direct
01 Oct Fly Play direct
04 Oct Icelandair direct

Also check the deals for return flights from Barcelona to Keflavik 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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