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

Return flights

01 Dec - 04 Dec	Wizz Air Malta
11 Dec - 15 Dec	Ryanair
08 Dec - 12 Dec	KLM
19 Dec - 03 Jan	Ryanair
01 Dec - 05 Dec	Wizz Air Malta
31 Dec - 03 Jan	Ryanair
05 Dec - 08 Dec	Ryanair
31 Dec - 05 Jan	Ryanair
12 Dec - 15 Dec	Ryanair
24 Dec - 28 Dec	Austrian Airlines
12 Dec - 16 Dec	Ryanair
31 Dec - 04 Jan	Ryanair
21 Dec - 24 Dec	Ryanair
03 Dec - 11 Dec	Transavia France
30 Dec - 03 Jan	Ryanair
31 Dec - 07 Jan	LOT
23 Dec - 06 Jan	Scandinavian Airlines
20 Dec - 05 Jan	Ryanair
29 Dec - 14 Jan	Ryanair
20 Dec - 01 Jan	Ryanair

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 202€

Return flights