Cheapest one-way flights from Barcelona to Keflavik in September from 90€

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 September 2025 (see full year).

One-Way flights

16 Sep easyJet
02 Sep Vueling Airlines
17 Sep easyJet
03 Sep Scandinavian Airlines
05 Sep Ryanair
06 Sep easyJet
07 Sep Vueling Airlines
04 Sep Scandinavian Airlines
07 Sep Vueling Airlines direct
03 Sep Fly Play direct

Also check the deals for return flights from Barcelona to Keflavik in September.

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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