AirHint found the following cheapest return flights from Duesseldorf (DUS) to Lisbon (LIS) in August 2025 (see full year).

Return flights

27 Aug - 16 Sep	Vueling Airlines
20 Aug - 01 Sep	Eurowings
27 Aug - 02 Sep	Ryanair
27 Aug - 08 Sep	Vueling Airlines
27 Aug - 09 Sep	Vueling Airlines
26 Aug - 10 Sep	Vueling Airlines
27 Aug - 10 Sep	Vueling Airlines
26 Aug - 08 Sep	Vueling Airlines
29 Aug - 02 Sep	Ryanair
19 Aug - 08 Sep	Vueling Airlines
19 Aug - 28 Aug	Eurowings
19 Aug - 25 Aug	Eurowings
19 Aug - 27 Aug	Eurowings
20 Aug - 26 Aug	Eurowings
20 Aug - 27 Aug	Eurowings
19 Aug - 26 Aug	Eurowings
29 Aug - 31 Aug	Ryanair
20 Aug - 28 Aug	Eurowings
20 Aug - 25 Aug	Eurowings
19 Aug - 22 Aug	Eurowings

Also check the deals for one-way flights from Duesseldorf to Lisbon 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 Lisbon in August from $149

Return flights