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

Return flights

13 Dec - 10 Jan	Ryanair
08 Dec - 11 Dec	Ryanair
11 Dec - 16 Dec	Wizz Air
07 Dec - 14 Dec	Icelandair	direct
10 Dec - 12 Dec	Ryanair
13 Dec - 17 Dec	Ryanair
13 Dec - 16 Dec	Ryanair
10 Dec - 14 Dec	Wizz Air
12 Dec - 16 Dec	Ryanair
25 Dec - 27 Dec	Wizz Air
18 Dec - 21 Dec	Wizz Air
23 Dec - 01 Jan	Finnair
25 Dec - 04 Jan	Wizz Air
29 Dec - 15 Jan	Scandinavian Airlines
29 Dec - 29 Jan	Scandinavian Airlines
28 Dec - 04 Jan	Finnair
30 Dec - 05 Jan	Finnair
30 Dec - 02 Jan	Scandinavian Airlines
26 Dec - 04 Jan	Ryanair
27 Dec - 02 Jan	LOT

Also check the deals for one-way flights from Stockholm 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Stockholm to Keflavik in December from 195€

Return flights