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

Return flights

01 Oct - 08 Oct	easyJet
06 Oct - 11 Oct	easyJet
10 Oct - 13 Oct	easyJet
09 Oct - 14 Oct	easyJet
16 Oct - 20 Oct	easyJet
15 Oct - 19 Oct	easyJet
03 Oct - 06 Oct	easyJet
04 Oct - 08 Oct	Aer Lingus
12 Oct - 15 Oct	Aer Lingus
06 Oct - 13 Oct	easyJet
31 Oct - 03 Nov	Air Serbia
22 Oct - 02 Nov	LOT
30 Oct - 02 Nov	LOT
31 Oct - 02 Nov	LOT
26 Oct - 02 Nov	LOT
25 Oct - 01 Nov	Lufthansa
18 Oct - 01 Nov	LOT
26 Oct - 01 Nov	LOT
21 Oct - 07 Nov	SKY express
21 Oct - 09 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 $149

Return flights