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

Return flights

27 Aug - 03 Sep	Eurowings	direct
12 Aug - 18 Aug	Eurowings	direct
24 Aug - 30 Aug	TAP
13 Aug - 15 Aug	TAP
12 Aug - 21 Aug	TAP
08 Aug - 16 Aug	TAP
13 Aug - 15 Aug	Eurowings	direct
12 Aug - 21 Aug	Eurowings	direct
27 Aug - 01 Sep	Eurowings	direct
08 Aug - 16 Aug	Eurowings	direct
24 Aug - 30 Aug	Eurowings	direct

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 $204

Return flights