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

Return flights

31 Dec - 08 Jan	Ryanair
30 Dec - 10 Jan	Austrian Airlines
31 Dec - 11 Jan	Ryanair
24 Dec - 30 Dec	Austrian Airlines
21 Dec - 28 Dec	Ryanair
22 Dec - 27 Dec	Ryanair
23 Dec - 30 Dec	Ryanair
26 Dec - 10 Jan	Ryanair
31 Dec - 03 Jan	Ryanair
19 Dec - 23 Dec	Ryanair
21 Dec - 24 Dec	Ryanair
28 Dec - 30 Dec	Ryanair
22 Dec - 31 Dec	Wizz Air Malta
23 Dec - 25 Dec	Ryanair
22 Dec - 26 Dec	Austrian Airlines
25 Dec - 07 Jan	Lufthansa
29 Dec - 06 Jan	Ryanair
24 Dec - 04 Jan	SWISS
29 Dec - 01 Jan	LOT
29 Dec - 05 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 259€

Return flights