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

Return flights

01 Dec - 05 Dec	KLM
24 Dec - 09 Jan	Ryanair
04 Dec - 12 Dec	KLM
05 Dec - 08 Dec	Ryanair
08 Dec - 12 Dec	KLM
18 Dec - 24 Dec	Ryanair
02 Dec - 08 Dec	Wizz Air Malta
10 Dec - 15 Dec	Transavia France
13 Dec - 14 Dec	Ryanair
06 Dec - 08 Dec	Wizz Air Malta
07 Dec - 13 Dec	Ryanair
01 Dec - 01 Jan	Ryanair
31 Dec - 07 Jan	LOT
29 Dec - 08 Jan	Ryanair
29 Dec - 07 Jan	Ryanair
25 Dec - 01 Jan	Austrian Airlines
25 Dec - 04 Jan	Austrian Airlines
30 Dec - 07 Jan	Ryanair
31 Dec - 02 Jan	Ryanair
29 Dec - 06 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 228€

Return flights