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

Return flights

23 Oct - 28 Oct	Wizz Air Malta
23 Oct - 01 Nov	Wizz Air Malta
23 Oct - 30 Oct	Wizz Air Malta
22 Oct - 26 Oct	Wizz Air Malta
31 Oct - 02 Nov	Ryanair
01 Oct - 08 Oct	Ryanair
12 Oct - 18 Oct	Wizz Air Malta
23 Oct - 31 Oct	Wizz Air Malta
24 Oct - 26 Oct	Vueling Airlines
01 Oct - 09 Oct	Ryanair
14 Oct - 18 Oct	Ryanair
24 Oct - 27 Oct	Vueling Airlines
27 Oct - 03 Nov	Air Europa
26 Oct - 02 Nov	Ryanair

Also check the deals for one-way flights from Valencia 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 Valencia to Keflavik in October from $194

Return flights