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

Return flights

15 Apr - 26 Apr	Wizz Air	direct
05 Apr - 19 Apr	Wizz Air	direct
05 Apr - 12 Apr	Wizz Air	direct
09 Apr - 19 Apr	KLM
09 Apr - 17 Apr	KLM
09 Apr - 12 Apr	KLM
15 Apr - 27 Apr	KLM
14 Apr - 21 Apr	Ryanair
21 Apr - 26 Apr	Norwegian
08 Apr - 19 Apr	Wizz Air	direct
30 Apr - 09 May	Scandinavian Airlines
30 Apr - 05 May	Lufthansa
29 Apr - 03 May	Scandinavian Airlines
28 Apr - 05 May	Ryanair
15 Apr - 03 May	Wizz Air	direct
15 Apr - 05 May	Wizz Air	direct
21 Apr - 10 May	Wizz Air	direct
21 Apr - 06 May	Wizz Air	direct
14 Apr - 03 May	Wizz Air	direct
21 Apr - 09 May	Wizz Air	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 $233

Return flights