BIO is Bilbao
An airport in Spain. BIO is its three-letter IATA code, the one on your boarding pass and bag tag.
- IATA code
- BIO
- Airport
- Bilbao
- Country
- Spain
- Region
- Europe
Why is it BIO?
The letters B, I and O all appear, in that order, in “Bilbao”, which makes this one of the easier codes to remember.
Don't mix it up with
These codes look or sound close to BIO.
Other airports in Spain
Quick check
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Common questions
What airport is BIO?
BIO is the IATA code for Bilbao in Spain.
What is the airport code for Bilbao?
The three-letter IATA code for Bilbao is BIO.