Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belgium to Madurai as you normally would.
Located just 9.6 km from the city centre, Madurai (IXM) is the airport most travelers will use when flying to Madurai from Belgium.
This is defined as Brussels Bruxelles-National Airport (BRU) and Madurai Airport (IXM). Codes like Madurai Airport are often used to just call airports uniquely. Charleroi Brussels Airport (CRL), Antwerp Deurne Airport (ANR), Ostende-Bruges Airport (OST), Liège Bierset Airport (LGG) are other airports near this flight route and their unique identifiers/IATA codes.