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

Return flights

30 Oct - 06 Nov	Vueling Airlines
08 Oct - 15 Oct	easyJet
29 Oct - 04 Nov	easyJet
02 Oct - 06 Oct	easyJet
09 Oct - 11 Oct	easyJet
23 Oct - 26 Oct	easyJet
31 Oct - 04 Nov	easyJet
10 Oct - 14 Oct	easyJet
08 Oct - 10 Oct	easyJet
09 Oct - 13 Oct	easyJet
23 Oct - 28 Oct	easyJet
02 Oct - 13 Oct	easyJet
10 Oct - 11 Oct	easyJet
30 Oct - 02 Nov	Vueling Airlines
29 Oct - 03 Nov	Air Serbia
29 Oct - 02 Nov	Air Serbia
31 Oct - 03 Nov	Air Serbia
30 Oct - 03 Nov	Vueling Airlines
30 Oct - 01 Nov	Vueling Airlines
31 Oct - 01 Nov	Air Serbia

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 119€

Return flights