Let's break down the parts that affect the price
Cabinets
Hardware
Shutter finish
Counter-top, Civil, Plumbing, Electrical, Etc.,
Ways to save Money on Modular Kitchens
Choose affordable wood
Avoid more colours
Consider laminates
Say no to pull outs
Customize less
Opt more doors and less drawers
Soft close drawers will cost more
Open shelfing will cut cost