I am looking for no pleat regular fit trousers in linen of color INDIGO or DENIM!
not jeans, regular linen trousers but in indigo!
something like this:
Frankly, the best way to get something so specific is to get them custom made. Luxire might be about to help you out.
You might want to go CMT and buy cloth for yourself: http://merchantandmills.com/products/cloth/cowboy-sheen/
for example, might work for you.