Cheapest one-way flights from Barcelona to Keflavik in September 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 September 2025 (see full year).

One-Way flights

24 Sep easyJet
13 Sep easyJet
02 Sep easyJet
17 Sep easyJet
11 Sep Wizz Air
24 Sep Fly Play direct
01 Sep Fly Play direct
09 Sep Vueling Airlines direct
12 Sep Vueling Airlines
12 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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