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

Return flights

22 Oct - 27 Oct	Ryanair
08 Oct - 14 Oct	Ryanair
31 Oct - 07 Nov	Eurowings
31 Oct - 02 Nov	Eurowings
06 Oct - 15 Oct	Ryanair
09 Oct - 16 Oct	Ryanair
27 Oct - 04 Nov	Ryanair
15 Oct - 17 Oct	Ryanair
02 Oct - 19 Nov	Ryanair
25 Oct - 26 Oct	Ryanair
09 Oct - 12 Oct	Eurowings
08 Oct - 11 Oct	Eurowings
06 Oct - 09 Oct	Ryanair
15 Oct - 19 Oct	Ryanair
27 Oct - 02 Nov	Air Serbia
18 Oct - 01 Nov	Ryanair
26 Oct - 10 Nov	SKY express

Also check the deals for one-way flights from Duesseldorf 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 Duesseldorf to Sofia in October from 123€

Return flights