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

Return flights

12 Dec - 14 Dec	Ryanair	direct
12 Dec - 17 Dec	Ryanair	direct
07 Dec - 12 Dec	Ryanair	direct
12 Dec - 21 Dec	Ryanair	direct
10 Dec - 12 Dec	Ryanair	direct
07 Dec - 19 Dec	Ryanair	direct
12 Dec - 20 Dec	Ryanair
13 Dec - 19 Dec	Ryanair	direct
07 Dec - 14 Dec	Ryanair	direct
07 Dec - 17 Dec	Ryanair	direct
14 Dec - 03 Jan	Ryanair
14 Dec - 03 Jan	Ryanair	direct
27 Dec - 04 Jan	Ryanair
26 Dec - 04 Jan	Ryanair
28 Dec - 04 Jan	Ryanair
27 Dec - 03 Jan	Ryanair
26 Dec - 03 Jan	Ryanair
28 Dec - 03 Jan	Ryanair
26 Dec - 03 Jan	Ryanair	direct
28 Dec - 03 Jan	Ryanair	direct

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 $96

Return flights