AirHint found the following cheapest return flights from Sandefjord (TRF) to Keflavik (KEF) in January 2026 (see full year).

Return flights

14 Jan - 21 Jan	Ryanair
24 Jan - 25 Jan	Ryanair
26 Jan - 02 Feb	Wizz Air
24 Jan - 31 Jan	Ryanair
26 Jan - 01 Feb	Wizz Air
25 Jan - 01 Feb	Ryanair
26 Jan - 29 Jan	Scandinavian Airlines
16 Jan - 19 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Sandefjord to Keflavik in January.

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 January from $187

Return flights