Cheapest return VIE–KEF flights, September

AirHint found the following cheapest return flights from Vienna (VIE) to Keflavik (KEF) in September 2026 (see full year).

Return flights

02 Sep - 13 Sep Ryanair
05 Sep - 11 Sep easyJet Europe
05 Sep - 14 Sep easyJet Europe
02 Sep - 15 Sep Ryanair
02 Sep - 08 Sep easyJet Europe
02 Sep - 12 Sep Ryanair
05 Sep - 15 Sep easyJet Europe
08 Sep - 12 Sep Scandinavian Airlines
06 Sep - 16 Sep Ryanair
02 Sep - 23 Sep Ryanair
25 Sep - 05 Oct LOT
23 Sep - 03 Oct Ryanair
05 Sep - 24 Oct Austrian Airlines direct
25 Sep - 05 Oct Austrian Airlines direct

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

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