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

Return flights

09 Jan - 23 Jan	Ryanair	direct
16 Jan - 23 Jan	Ryanair	direct
16 Jan - 31 Jan	Ryanair	direct
17 Jan - 23 Jan	Ryanair	direct
17 Jan - 31 Jan	Ryanair	direct
11 Jan - 23 Jan	Ryanair	direct
11 Jan - 31 Jan	Ryanair	direct
11 Jan - 14 Jan	Ryanair	direct
09 Jan - 19 Jan	Ryanair
09 Jan - 20 Jan	Ryanair

Also check the deals for one-way flights from Duesseldorf to Porto 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 Porto in January from 86€

Return flights