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

Return flights

07 Dec - 12 Dec	Eurowings	direct
02 Dec - 06 Dec	easyJet
07 Dec - 25 Dec	Vueling Airlines
01 Dec - 06 Dec	easyJet
15 Dec - 18 Dec	easyJet
03 Dec - 06 Dec	easyJet
14 Dec - 25 Dec	Vueling Airlines
06 Dec - 13 Dec	easyJet
07 Dec - 19 Dec	Vueling Airlines
07 Dec - 16 Dec	Vueling Airlines
31 Dec - 07 Jan	Eurowings	direct
22 Dec - 11 Jan	Vueling Airlines
22 Dec - 10 Jan	Vueling Airlines
30 Dec - 19 Jan	Vueling Airlines
31 Dec - 02 Jan	easyJet
14 Dec - 02 Jan	Vueling Airlines
22 Dec - 07 Jan	Vueling Airlines
23 Dec - 11 Jan	Vueling Airlines
30 Dec - 14 Jan	Vueling Airlines
30 Dec - 01 Jan	easyJet

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

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 December from $148

Return flights