AirHint found the following cheapest return flights from Duesseldorf (DUS) to Sofia (SOF) in January 2026 (see full year).

Return flights

28 Jan - 08 Feb	Ryanair
21 Jan - 28 Jan	Ryanair
25 Jan - 01 Feb	Ryanair
26 Jan - 29 Jan	Ryanair
19 Jan - 26 Jan	Ryanair
28 Jan - 04 Feb	easyJet
29 Jan - 24 Feb	Ryanair
19 Jan - 22 Jan	Ryanair
29 Jan - 03 Feb	Pegasus Airlines
27 Jan - 29 Jan	easyJet
26 Jan - 28 Jan	Ryanair
25 Jan - 26 Jan	Eurowings
25 Jan - 29 Jan	Eurowings
24 Jan - 26 Jan	Pegasus Airlines
31 Jan - 02 Feb	Pegasus Airlines
25 Jan - 28 Jan	Pegasus Airlines
30 Jan - 02 Feb	easyJet
23 Jan - 09 Feb	SKY express

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

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 January from $99

Return flights