The two locations are Bang Len and Nakhon Chai Si districts in the province, both located near a motorway linking Bangyai to Kanchanaburi and take about an-hour drive form Bangkok.
The new airport will occupy 3,500 rai. It will have three passenger terminals, and a carpark for 5,200 vehicles
Thaworn said the project might come under the Public-Private Partnership (PPP) scheme, adding that the department was expected to wrap up an investment study early next year before submitting a proposal to the Cabinet.
If the project is approved by all related parties, construction can begin in 2023 for commencement of operations in 2026.