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

Return flights

21 Apr - 26 Apr	Wizz Air	direct
02 Apr - 05 Apr	Wizz Air
21 Apr - 27 Apr	Wizz Air
05 Apr - 05 Apr	LOT
30 Apr - 08 May	Lufthansa
21 Apr - 10 May	Wizz Air	direct
21 Apr - 27 Apr	LOT	direct
27 Apr - 02 May	Scandinavian Airlines
28 Apr - 03 May	Scandinavian Airlines
26 Apr - 26 Apr	Scandinavian Airlines
30 Apr - 04 May	LOT	direct
30 Apr - 13 May	Wizz Air	direct
30 Apr - 08 May	LOT	direct
28 Apr - 03 May	LOT	direct
30 Apr - 10 May	Wizz Air	direct
21 Apr - 03 May	Wizz Air	direct
02 Apr - 05 Apr	LOT	direct

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

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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Cheapest return flights from Warsaw to Keflavik in April from 226€

Return flights