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

Return flights

07 Oct - 15 Oct	Wizz Air Malta
07 Oct - 17 Oct	Wizz Air Malta
11 Oct - 17 Oct	Wizz Air Malta
14 Oct - 24 Oct	Wizz Air Malta
01 Oct - 15 Oct	Ryanair
14 Oct - 22 Oct	Ryanair
02 Oct - 08 Oct	Ryanair
07 Oct - 15 Oct	Austrian Airlines	direct
07 Oct - 11 Oct	Ryanair
12 Oct - 17 Oct	Ryanair
31 Oct - 06 Nov	Ryanair
31 Oct - 07 Nov	Ryanair
28 Oct - 03 Nov	Ryanair
25 Oct - 01 Nov	Austrian Airlines
27 Oct - 02 Nov	Ryanair
23 Oct - 01 Nov	Eurowings
24 Oct - 01 Nov	Ethiopian Airlines

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 211€

Return flights