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

Return flights

05 Dec - 08 Dec	Air Serbia
01 Dec - 05 Dec	easyJet
17 Dec - 27 Dec	Air Serbia
09 Dec - 03 Jan	Air Serbia
29 Dec - 02 Jan	Air Serbia
18 Dec - 10 Jan	Lufthansa
27 Dec - 01 Jan	SWISS
30 Dec - 01 Jan	Lufthansa
21 Dec - 22 Dec	Air Serbia
27 Dec - 03 Jan	Air Serbia
27 Dec - 04 Jan	Austrian Airlines
20 Dec - 04 Jan	Air Serbia
09 Dec - 26 Dec	SKY express
09 Dec - 28 Dec	SKY express
17 Dec - 04 Jan	SKY express
16 Dec - 04 Jan	SKY express
17 Dec - 26 Dec	SKY express
17 Dec - 28 Dec	SKY express
16 Dec - 26 Dec	SKY express
16 Dec - 28 Dec	SKY express

Also check the deals for one-way flights from Paris 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 Paris to Sofia in December from 168€

Return flights