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

Return flights

31 Oct - 04 Nov	Ryanair
07 Oct - 08 Oct	Ryanair
07 Oct - 14 Oct	Ryanair
08 Oct - 14 Oct	Wizz Air Malta
17 Oct - 19 Oct	Wizz Air Malta
30 Oct - 03 Nov	Ryanair
09 Oct - 18 Oct	Wizz Air Malta
17 Oct - 22 Oct	Wizz Air Malta
12 Oct - 18 Oct	Wizz Air Malta
17 Oct - 25 Oct	Wizz Air Malta
09 Oct - 19 Oct	Wizz Air Malta
02 Oct - 08 Oct	Wizz Air Malta
26 Oct - 04 Nov	Ryanair
25 Oct - 02 Nov	Ryanair
30 Oct - 09 Nov	Wizz Air Malta
29 Oct - 02 Nov	Ryanair
25 Oct - 04 Nov	Ryanair

Also check the deals for one-way flights from Vienna 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 Vienna to Keflavik in October from $198

Return flights