Cheapest return flights from Warsaw to Keflavik in September from 294€

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

Return flights

26 Sep - 04 Oct Ryanair
12 Sep - 22 Sep Ryanair
08 Sep - 15 Sep Ryanair
19 Sep - 27 Sep Ryanair
09 Sep - 13 Sep Ryanair
23 Sep - 27 Sep Ryanair
22 Sep - 28 Sep Ryanair
10 Sep - 17 Sep Ryanair
24 Sep - 30 Sep Ryanair
01 Sep - 08 Sep Ryanair
06 Sep - 11 Sep Ryanair
27 Sep - 02 Oct Ryanair

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

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