Cheapest return flights from Warsaw to Keflavik in September from $187

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

25 Sep - 02 Oct Scandinavian Airlines
30 Sep - 07 Oct Scandinavian Airlines
26 Sep - 29 Sep Fly Play direct
08 Sep - 18 Sep Scandinavian Airlines
09 Sep - 16 Sep Scandinavian Airlines
30 Sep - 09 Oct Wizz Air direct
04 Sep - 08 Sep Scandinavian Airlines
11 Sep - 15 Sep Scandinavian Airlines
04 Sep - 09 Sep Scandinavian Airlines
18 Sep - 22 Sep Scandinavian Airlines
18 Sep - 23 Sep Scandinavian Airlines
09 Sep - 13 Sep Scandinavian Airlines
12 Sep - 20 Sep Scandinavian Airlines
28 Sep - 14 Oct Wizz Air direct
25 Sep - 14 Oct Wizz Air direct
27 Sep - 14 Oct Wizz Air direct
28 Sep - 15 Oct Wizz Air direct
25 Sep - 15 Oct Wizz Air direct
27 Sep - 15 Oct Wizz Air direct
27 Sep - 04 Oct Scandinavian Airlines

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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