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

Return flights

13 Dec - 16 Dec	easyJet
02 Dec - 03 Dec	easyJet
03 Dec - 07 Dec	easyJet
03 Dec - 04 Dec	easyJet
02 Dec - 06 Dec	easyJet
06 Dec - 10 Dec	Vueling Airlines
02 Dec - 04 Dec	easyJet
03 Dec - 05 Dec	easyJet
02 Dec - 05 Dec	easyJet
03 Dec - 06 Dec	easyJet
22 Dec - 06 Jan	Air Serbia
24 Dec - 06 Jan	Air Serbia
27 Dec - 08 Jan	Air Serbia
30 Dec - 01 Jan	Air Serbia
22 Dec - 01 Jan	Air Serbia
29 Dec - 01 Jan	Air Serbia
26 Dec - 07 Jan	Air Serbia
24 Dec - 07 Jan	Air Serbia
31 Dec - 07 Jan	Air Serbia
25 Dec - 01 Jan	Air Serbia

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.

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Cheapest return flights from Paris to Sofia in December from 106€

Return flights