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

Return flights

31 Aug - 11 Sep	Eurowings	direct
28 Aug - 11 Sep	Eurowings	direct
30 Aug - 11 Sep	Eurowings	direct
29 Aug - 11 Sep	Eurowings	direct
12 Aug - 14 Aug	Eurowings	direct
11 Aug - 13 Aug	Iberia
24 Aug - 30 Aug	TAP
02 Aug - 13 Aug	Eurowings	direct
06 Aug - 13 Aug	Eurowings	direct
27 Aug - 30 Aug	TAP
11 Aug - 13 Aug	Eurowings	direct
12 Aug - 21 Aug	Eurowings	direct
15 Aug - 22 Aug	TAP
01 Aug - 22 Aug	TAP

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

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 August from 142€

Return flights