Cheapest return flights from Warsaw to Keflavik in September from $183

Best time to book flights for Warsaw (WAW) to Keflavik (KEF) flights at AirHint

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

Return flights

26 Sep - 06 Oct Fly Play direct
24 Sep - 02 Oct Scandinavian Airlines
26 Sep - 29 Sep Fly Play direct
24 Sep - 30 Sep Scandinavian Airlines
18 Sep - 25 Sep Scandinavian Airlines
15 Sep - 30 Sep Scandinavian Airlines
11 Sep - 18 Sep Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
17 Sep - 25 Sep Scandinavian Airlines
10 Sep - 18 Sep Scandinavian Airlines
08 Sep - 22 Sep Scandinavian Airlines
01 Sep - 08 Sep Scandinavian Airlines
28 Sep - 16 Oct Wizz Air direct
28 Sep - 14 Oct Wizz Air direct
25 Sep - 14 Oct Wizz Air direct
27 Sep - 16 Oct Wizz Air direct
27 Sep - 06 Oct Wizz Air UK
27 Sep - 14 Oct Wizz Air direct
28 Sep - 15 Oct Wizz Air direct
24 Sep - 14 Oct Wizz Air 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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