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

Return flights

26 Aug - 08 Sep	Eurowings
26 Aug - 15 Sep	Vueling Airlines
26 Aug - 04 Sep	Vueling Airlines
28 Aug - 17 Sep	Vueling Airlines
31 Aug - 30 Sep	easyJet
26 Aug - 11 Sep	Vueling Airlines
20 Aug - 02 Sep	Ryanair
21 Aug - 04 Sep	Eurowings
27 Aug - 06 Sep	Ryanair
21 Aug - 08 Sep	Vueling Airlines
26 Aug - 29 Aug	Vueling Airlines
20 Aug - 29 Aug	Ryanair
11 Aug - 20 Aug	TAP	direct
26 Aug - 29 Aug	TAP	direct
25 Aug - 28 Aug	TAP	direct
19 Aug - 28 Aug	TAP	direct
19 Aug - 29 Aug	TAP	direct
24 Aug - 29 Aug	TAP	direct
22 Aug - 29 Aug	TAP	direct
14 Aug - 28 Aug	TAP	direct

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 $160

Return flights