Cheapest return flights from Warsaw to Keflavik in September from $247

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

Return flights

22 Sep - 01 Oct Scandinavian Airlines
23 Sep - 30 Sep Wizz Air
22 Sep - 28 Sep Scandinavian Airlines
19 Sep - 24 Sep Scandinavian Airlines
26 Sep - 04 Oct Wizz Air
05 Sep - 13 Sep Ryanair
10 Sep - 15 Sep Wizz Air direct
25 Sep - 03 Oct Scandinavian Airlines
26 Sep - 04 Oct LOT direct
22 Sep - 28 Sep LOT direct

Also check the deals for one-way flights from Warsaw 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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