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

Return flights

30 Jul - 03 Aug	TAP	direct
29 Jul - 31 Jul	Eurowings
30 Jul - 04 Aug	TAP	direct
29 Jul - 04 Aug	Eurowings
29 Jul - 03 Aug	TAP	direct
29 Jul - 05 Aug	Eurowings
29 Jul - 02 Aug	Eurowings
29 Jul - 12 Aug	Eurowings
22 Jul - 23 Jul	TAP	direct
23 Jul - 30 Jul	TAP	direct
22 Jul - 30 Jul	TAP	direct
22 Jul - 27 Jul	TAP	direct
23 Jul - 27 Jul	TAP	direct
29 Jul - 04 Aug	TAP	direct
29 Jul - 01 Aug	Eurowings
31 Jul - 03 Aug	TAP	direct
16 Jul - 23 Jul	easyJet
23 Jul - 28 Jul	TAP	direct
29 Jul - 31 Jul	TAP	direct
08 Jul - 20 Jul	easyJet

Also check the deals for one-way flights from Duesseldorf to Lisbon in July.

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 July from $210

Return flights