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

Return flights

16 Oct - 24 Oct	Wizz Air Malta
23 Oct - 31 Oct	Ryanair
11 Oct - 22 Oct	Wizz Air Malta
23 Oct - 27 Oct	Ryanair
18 Oct - 22 Oct	Ryanair
07 Oct - 12 Oct	Wizz Air Malta
19 Oct - 22 Oct	Ryanair
12 Oct - 22 Oct	Ryanair
12 Oct - 18 Oct	Ryanair
07 Oct - 13 Oct	Wizz Air Malta
25 Oct - 01 Nov	Ryanair
30 Oct - 02 Nov	Wizz Air Malta
25 Oct - 02 Nov	LOT
24 Oct - 02 Nov	LOT

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 $225

Return flights