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

Return flights

09 Dec - 13 Dec	easyJet
11 Dec - 15 Dec	easyJet
06 Dec - 11 Dec	Vueling Airlines
11 Dec - 14 Dec	easyJet
12 Dec - 15 Dec	easyJet
13 Dec - 23 Dec	easyJet
04 Dec - 11 Dec	Vueling Airlines
17 Dec - 21 Dec	Vueling Airlines
01 Dec - 05 Dec	Vueling Airlines
23 Dec - 27 Dec	easyJet
29 Dec - 01 Jan	Air Serbia
12 Dec - 11 Jan	Air Serbia
28 Dec - 03 Jan	Air Serbia
26 Dec - 03 Jan	Air Serbia
29 Dec - 02 Jan	Air Serbia
29 Dec - 03 Jan	Air Serbia
27 Dec - 01 Jan	Air Serbia
31 Dec - 03 Jan	Air Serbia
27 Dec - 02 Jan	Air Serbia
26 Dec - 02 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 113€

Return flights