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

Return flights

06 Dec - 08 Dec	Wizz Air Malta
04 Dec - 12 Dec	Wizz Air Malta
11 Dec - 14 Dec	Wizz Air Malta
05 Dec - 09 Dec	Ryanair
01 Dec - 05 Dec	KLM
15 Dec - 22 Dec	Wizz Air Malta
08 Dec - 15 Dec	easyJet
15 Dec - 19 Dec	Wizz Air Malta
08 Dec - 13 Dec	easyJet
16 Dec - 20 Dec	Ryanair
24 Dec - 02 Jan	Ryanair
29 Dec - 01 Jan	Wizz Air Malta
21 Dec - 04 Jan	Ryanair
31 Dec - 06 Jan	Transavia France
15 Dec - 07 Jan	Wizz Air Malta
31 Dec - 04 Jan	Transavia France
29 Dec - 05 Jan	Wizz Air Malta
26 Dec - 01 Jan	easyJet
30 Dec - 06 Jan	Ryanair
27 Dec - 06 Jan	LOT

Also check the deals for one-way flights from Vienna to Keflavik in December.

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 December from 159€

Return flights