As provided in the Concession Agreement, the improvement and expansion works of the Airport are divided into two sub-phases (1B and 1C). The construction contract signed on March 1, 2018, refers to the works of the first stage (1B), completed in October 2019. The next stage (1C) is expected to be completed in October 2021.

The first phase of works includes:

- Expansion of the terminal from 64,550 m2 to 84,550 m2. 
- Installation of a new baggage handling and security control system 
- Modernization of restrooms and baby changing facilities - Installation of high-speed free Wi-Fi 
- Improvements in passenger terminal signage 
- Improvements in air conditioning and ventilation systems 
- Improvements in escalators and elevators 
- Expansion of the aircraft boarding and disembarking apron - Improvements in external lighting for highway access, parking lots, and passenger/cargo terminals - Interventions on runways 10/28 and 17/35 - Implementation of six new aircraft boarding bridges

In stage 1C, two additional boarding bridges will be constructed, bringing the total number of boarding bridges at Salvador Bahia Airport to 19.