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

Return flights

30 Oct - 03 Nov	easyJet
10 Oct - 13 Oct	easyJet
27 Oct - 31 Oct	easyJet
20 Oct - 21 Oct	easyJet
23 Oct - 27 Oct	LOT
03 Oct - 06 Oct	Air Serbia
23 Oct - 26 Oct	Air Serbia
17 Oct - 19 Oct	Air Serbia
14 Oct - 16 Oct	Air Serbia
25 Oct - 27 Oct	Air Serbia
15 Oct - 20 Oct	Air Serbia
31 Oct - 02 Nov	Air Serbia
30 Oct - 02 Nov	Air Serbia
28 Oct - 01 Nov	LOT
18 Oct - 02 Nov	LOT
22 Oct - 09 Nov	SKY express
21 Oct - 09 Nov	SKY express
29 Oct - 16 Nov	SKY express
15 Oct - 02 Nov	SKY express
14 Oct - 02 Nov	SKY express

Also check the deals for one-way flights from Paris to Sofia in October.

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 October from 141€

Return flights