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

Return flights

27 Aug - 27 Sep	Vueling Airlines
30 Aug - 07 Sep	Vueling Airlines
30 Aug - 06 Sep	Vueling Airlines
20 Aug - 27 Aug	Vueling Airlines
11 Aug - 19 Aug	Air Europa
11 Aug - 20 Aug	Air Europa
14 Aug - 19 Aug	Aer Lingus
05 Aug - 16 Aug	Vueling Airlines
05 Aug - 12 Aug	Vueling Airlines
01 Aug - 04 Aug	Vueling Airlines
07 Aug - 11 Aug	Air Europa
18 Aug - 24 Aug	Vueling Airlines
06 Aug - 13 Aug	Air Europa

Also check the deals for one-way flights from Bilbao to Amilcar Cabral 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 Amilcar Cabral in August from $527

Return flights