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

Return flights

11 Dec - 15 Dec	Ryanair
11 Dec - 22 Dec	Ryanair
14 Dec - 21 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
10 Dec - 22 Dec	Wizz Air
12 Dec - 22 Dec	Wizz Air
01 Dec - 10 Dec	Wizz Air
29 Dec - 04 Jan	Wizz Air
25 Dec - 13 Jan	Wizz Air Malta
22 Dec - 04 Jan	Ryanair
20 Dec - 30 Dec	Ryanair
22 Dec - 31 Dec	Ryanair
24 Dec - 02 Jan	Ryanair
20 Dec - 02 Jan	Ryanair
17 Dec - 04 Jan	Wizz Air
20 Dec - 04 Jan	Ryanair
20 Dec - 03 Jan	Ryanair
19 Dec - 04 Jan	Wizz Air
10 Dec - 15 Dec	Lufthansa

Also check the deals for one-way flights from Sandefjord to Sofia 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 Sofia

Cheap car rent in Sofia

Cheapest return flights from Sandefjord to Sofia in December from $118

Return flights