[7] Foreseeing the Kumbh 2019, the airport was upgraded with the addition of a new civil terminal extension in 2018, which was constructed in a record 11 months by Tata Projects.

[citation needed] On 18 February 1911, domestic commercial aviation began in India when Henri Piquet flew a Humber biplane carrying mail from a polo field at Allahabad (now Prayagraj) to Naini, approximately six miles away.

In the early months of 2003, Air Sahara became the first carrier to re-introduce services at the airport with connectivity to cities like Delhi and Kolkata.

In 2013, SpiceJet introduced its operation in the Delhi-Allahabad sector, along with Alliance Air commencing its Allahabad-Mumbai flight, both of which were closed down due to non-availability of ILS and night landing facilities at the airport after running for a few months.

[15][16] Seeking limited operational and structural facilities, construction of a new civilian terminal and installation of an ILS system on the existing runway began in January 2018.

[18] The terminal is 6700 square meters, and has a peak per hour capacity of 300 passengers and four aircraft parking bays for Airbus A320 and Boeing 737.

There has been use of fly ash bricks; double insulated door and the building is equipped with water harvesting and has a sewage treatment plant of its own.

[24] In February 2021, it was reported that there were plans for a complete makeover of the civil enclave of Prayagraj in Bamrauli in terms of size and facilities.

A newly constructed taxiway will further streamline ground operations, and night landing facilities will ensure round-the-clock functionality.