Cheapest return flights from Prague to Keflavik in September from $253

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

Return flights

23 Sep - 30 Sep Ryanair
07 Sep - 15 Sep SWISS
04 Sep - 14 Sep Scandinavian Airlines
07 Sep - 16 Sep SWISS
05 Sep - 15 Sep Wizz Air UK
08 Sep - 15 Sep Ryanair
02 Sep - 11 Sep SWISS
02 Sep - 09 Sep SWISS
21 Sep - 30 Sep Ryanair
02 Sep - 05 Sep SWISS
28 Sep - 06 Oct Finnair
23 Sep - 07 Oct Vueling Airlines

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

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