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

Return flights

04 Dec - 11 Dec	Eurowings
18 Dec - 22 Dec	Ryanair
15 Dec - 19 Dec	Ryanair
16 Dec - 23 Dec	Ryanair
19 Dec - 22 Dec	Ryanair
13 Dec - 17 Dec	Lufthansa
30 Dec - 03 Jan	Ryanair
30 Dec - 02 Jan	Ryanair
30 Dec - 07 Jan	Ryanair
29 Dec - 07 Jan	Ryanair
26 Dec - 03 Jan	Ryanair
20 Dec - 04 Jan	Lufthansa
11 Dec - 14 Dec	Lufthansa

Also check the deals for one-way flights from Cologne to Sandefjord 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 Cologne to Sandefjord in December from 121€

Return flights