AirHint found the following cheapest return flights from Duesseldorf (DUS) to Porto (OPO) in December 2025 (see full year).

Return flights

31 Dec - 18 Jan	Ryanair	direct
31 Dec - 14 Jan	Ryanair	direct
31 Dec - 16 Jan	Ryanair
30 Dec - 18 Jan	Ryanair	direct
30 Dec - 14 Jan	Ryanair	direct
28 Dec - 18 Jan	Ryanair	direct
31 Dec - 10 Jan	Ryanair
30 Dec - 16 Jan	Ryanair
28 Dec - 31 Dec	Ryanair
30 Dec - 31 Dec	Ryanair
28 Dec - 16 Jan	Ryanair
30 Dec - 15 Jan	Ryanair
30 Dec - 31 Dec	Ryanair	direct
31 Dec - 31 Dec	Ryanair
28 Dec - 30 Dec	Ryanair	direct
27 Dec - 29 Dec	Ryanair
26 Dec - 28 Dec	KLM
23 Dec - 31 Dec	Eurowings
26 Dec - 31 Dec	KLM
25 Dec - 29 Dec	KLM

Also check the deals for one-way flights from Duesseldorf to Porto in December.

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 Porto in December from $165

Return flights