Cheapest one-way flights from Barcelona to Keflavik in September from $65

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

One-Way flights

14 Sep Vueling Airlines direct
04 Sep Wizz Air Malta
13 Sep Vueling Airlines
21 Sep Vueling Airlines
03 Sep Wizz Air Malta
25 Sep Vueling Airlines
24 Sep Vueling Airlines
16 Sep Vueling Airlines
20 Sep Vueling Airlines
17 Sep Wizz Air Malta

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.