Cheapest return flights from Warsaw to Keflavik in May from $350

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

Return flights

05 May - 10 May Ryanair
02 May - 10 May Ryanair
02 May - 01 Jun Ryanair
02 May - 11 May Ryanair
12 May - 17 May Ryanair
29 May - 07 Jun Ryanair
11 May - 17 May Ryanair
08 May - 11 May Wizz Air
01 May - 09 May Wizz Air
01 May - 31 May Wizz Air

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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