Cheapest return WMI–KEF flights, May

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

Return flights

20 May - 27 May Wizz Air
20 May - 24 May Wizz Air
13 May - 17 May Wizz Air
27 May - 31 May Ryanair
29 May - 31 May Ryanair
12 May - 19 May Ryanair
12 May - 24 May Ryanair
12 May - 17 May Ryanair
21 May - 24 May Ryanair
14 May - 17 May Wizz Air
29 May - 02 Jun Ryanair
27 May - 02 Jun Ryanair
26 May - 02 Jun Ryanair
26 May - 01 Jun Ryanair
26 May - 03 Jun Ryanair
29 May - 03 Jun Ryanair
31 May - 09 Jun Ryanair
28 May - 04 Jun Ryanair
28 May - 02 Jun Ryanair
30 May - 02 Jun Ryanair

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

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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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