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

Return flights

21 Oct - 28 Oct	Ryanair
29 Oct - 04 Nov	Ryanair
31 Oct - 05 Nov	Ryanair
30 Oct - 03 Nov	Ryanair
31 Oct - 08 Nov	Ryanair
25 Oct - 28 Oct	Ryanair
31 Oct - 03 Nov	Ryanair
25 Oct - 29 Oct	Ryanair
29 Oct - 02 Nov	Ryanair
23 Oct - 26 Oct	Ryanair
25 Oct - 01 Nov	Ryanair
22 Oct - 29 Oct	Ryanair
30 Oct - 01 Nov	Ryanair
31 Oct - 07 Nov	Ryanair
30 Oct - 02 Nov	Ryanair
25 Oct - 30 Oct	Ryanair
20 Oct - 27 Oct	Ryanair
18 Oct - 20 Oct	Ryanair
25 Oct - 31 Oct	Ryanair
17 Oct - 21 Oct	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 326€

Return flights