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

Return flights

16 Dec - 18 Dec	easyJet
13 Dec - 16 Dec	easyJet
03 Dec - 09 Dec	easyJet
04 Dec - 08 Dec	easyJet
11 Dec - 16 Dec	Vueling Airlines
11 Dec - 13 Dec	Vueling Airlines
03 Dec - 05 Dec	easyJet
03 Dec - 08 Dec	easyJet
02 Dec - 04 Dec	easyJet
10 Dec - 13 Dec	easyJet
17 Dec - 01 Jan	Air Serbia
30 Dec - 01 Jan	Air Serbia
26 Dec - 01 Jan	Air Serbia
28 Dec - 01 Jan	Air Serbia
29 Dec - 01 Jan	Air Serbia
18 Dec - 28 Jan	Lufthansa
17 Dec - 06 Jan	Air Serbia
27 Dec - 12 Jan	Air Serbia
28 Dec - 06 Jan	Air Serbia
27 Dec - 01 Jan	Lufthansa

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 $129

Return flights