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

Return flights

28 Aug - 01 Sep	Air Europa
31 Aug - 02 Sep	Vueling Airlines
28 Aug - 02 Sep	Air Europa
29 Aug - 02 Sep	Eurowings
25 Aug - 26 Aug	Air Europa
29 Aug - 01 Sep	Aer Lingus
27 Aug - 29 Aug	Air Europa
30 Aug - 01 Sep	Aer Lingus
30 Aug - 02 Sep	Aer Lingus
31 Aug - 16 Sep	Vueling Airlines
27 Aug - 31 Aug	Air Europa
28 Aug - 31 Aug	Air Europa
31 Aug - 03 Sep	Vueling Airlines
27 Aug - 30 Aug	Air Europa
28 Aug - 30 Aug	Air Europa
30 Aug - 07 Sep	Aer Lingus
07 Aug - 11 Aug	Air France
07 Aug - 10 Aug	Air France
26 Aug - 29 Aug	Air Europa
07 Aug - 09 Aug	Air France

Also check the deals for one-way flights from Bilbao to Duesseldorf 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 Bilbao to Duesseldorf in August from $168

Return flights