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

Return flights

31 Dec - 10 Jan	Wizz Air
31 Dec - 08 Jan	Wizz Air
31 Dec - 09 Jan	Wizz Air
09 Dec - 13 Dec	Ryanair
31 Dec - 07 Jan	Wizz Air
10 Dec - 17 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
24 Dec - 26 Dec	Wizz Air
15 Dec - 05 Jan	Ryanair
11 Dec - 18 Dec	Ryanair
26 Dec - 24 Jan	Wizz Air
19 Dec - 26 Dec	Wizz Air
26 Dec - 28 Dec	Wizz Air
20 Dec - 27 Dec	Ryanair
07 Dec - 10 Dec	Wizz Air
15 Dec - 19 Dec	Ryanair
29 Dec - 02 Jan	Wizz Air
30 Dec - 03 Jan	Ryanair
27 Dec - 02 Jan	Ryanair
25 Dec - 08 Jan	KLM

Also check the deals for one-way flights from Sandefjord 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 Sandefjord to Keflavik in December from 200€

Return flights