Cheapest return flights from Duesseldorf to Sofia in September from $135

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

Return flights

15 Sep - 27 Oct Eurowings
17 Sep - 23 Sep easyJet
15 Sep - 22 Sep Eurowings
14 Sep - 17 Sep easyJet
16 Sep - 20 Sep Ryanair
13 Sep - 16 Sep Air Serbia
20 Sep - 23 Sep Air Serbia
21 Sep - 29 Sep Ryanair
06 Sep - 09 Sep easyJet
21 Sep - 22 Sep SKY express

Also check the deals for one-way flights from Duesseldorf to Sofia in September.

Skyscanner

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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