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

Return flights

28 Apr - 05 May	Wizz Air
14 Apr - 21 Apr	Ryanair
14 Apr - 20 Apr	Ryanair
20 Apr - 26 Apr	Ryanair
21 Apr - 28 Apr	Ryanair
25 Apr - 29 Apr	Ryanair
21 Apr - 26 Apr	Ryanair
16 Apr - 20 Apr	Ryanair
14 Apr - 22 Apr	Ryanair
21 Apr - 24 Apr	Ryanair
20 Apr - 25 Apr	Ryanair
29 Apr - 03 May	Ryanair
28 Apr - 06 May	Ryanair
25 Apr - 03 May	Ryanair
28 Apr - 04 May	Ryanair
29 Apr - 04 May	Ryanair
21 Apr - 01 May	Ryanair
25 Apr - 02 May	Ryanair
24 Apr - 02 May	Ryanair
30 Apr - 05 May	Ryanair

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 158€

Return flights