Low prices
Fly to Bilbao from Portugal during August 2025 for as little as €144.99*.
From just €144.99*
Book your flight from Portugal to Bilbao in August 2025 here. Select your desired date in August 2025 and view all the airports in Portugal you can fly to Bilbao from on that day.
The best price for flying from Portugal to Bilbao (BIO) in August 2025 is just €144.99*.