AirHint found the following cheapest return flights from Warsaw (WMI) to Keflavik (KEF) in October 2025 (see full year).

Return flights

20 Oct - 27 Oct	Ryanair
27 Oct - 31 Oct	Ryanair
09 Oct - 12 Oct	Ryanair
28 Oct - 03 Nov	Ryanair
19 Oct - 28 Oct	Ryanair
16 Oct - 19 Oct	Ryanair
22 Oct - 27 Oct	Ryanair
24 Oct - 27 Oct	Ryanair
25 Oct - 28 Oct	Ryanair
16 Oct - 23 Oct	Ryanair
03 Oct - 10 Oct	Ryanair
31 Oct - 06 Nov	Ryanair
31 Oct - 07 Nov	Ryanair
27 Oct - 05 Nov	Ryanair
25 Oct - 02 Nov	Ryanair
22 Oct - 06 Nov	Ryanair

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

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 October from 245€

Return flights