Cheapest return flights from Brussels to Keflavik in September from 232€

Best time to book flights for Brussels (BRU) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Brussels (BRU) to Keflavik (KEF) in September 2025 (see full year).

Return flights

01 Sep - 14 Sep Scandinavian Airlines
19 Sep - 26 Sep Scandinavian Airlines
26 Sep - 28 Sep Scandinavian Airlines
26 Sep - 28 Sep Icelandair direct
01 Sep - 14 Sep Icelandair direct
19 Sep - 26 Sep Icelandair direct
12 Sep - 27 Sep Icelandair
13 Sep - 21 Sep Icelandair direct

Also check the deals for one-way flights from Brussels 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