Cheapest return flights from Cagliari to Keflavik in September from 236€

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

Return flights

25 Sep - 30 Sep easyJet
18 Sep - 21 Sep Ryanair
11 Sep - 16 Sep Ryanair
08 Sep - 13 Sep Vueling Airlines
02 Sep - 07 Sep Ryanair
11 Sep - 15 Sep Ryanair
02 Sep - 08 Sep Ryanair
08 Sep - 14 Sep Vueling Airlines
04 Sep - 07 Sep Ryanair
04 Sep - 10 Sep Ryanair

Also check the deals for one-way flights from Cagliari 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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