Cheapest return flights from Brussels to Keflavik in September from 202€

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

14 Sep - 23 Sep Scandinavian Airlines
02 Sep - 06 Sep Ryanair
02 Sep - 08 Sep British Airways
15 Sep - 24 Sep Wideroe
13 Sep - 18 Sep Ryanair
09 Sep - 18 Sep Norwegian
02 Sep - 11 Sep Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
03 Sep - 11 Sep Scandinavian Airlines
07 Sep - 14 Sep Scandinavian Airlines
24 Sep - 03 Oct Icelandair direct

Also check the deals for one-way flights from Brussels to Keflavik in September.

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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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