A Guide for Sewing Quality Jeans at Home
 
While there is some variability in the order you can sew jeans together if you sew them together in the wrong order it can make life miserable.  This guide will show you the order that I have found is the easiest.

First let's familiarize ourselves with the different parts you will need to sew together to make your jeans.
Picture

Click on each link for a detailed guide

1.  Construct fly and attached both front pieces together
2.  Sew Front Pockets onto front pieces
3.  Sew the back half together
4.  Merge the front half with the back half
5.  The waistband, belt loops and button hole
6.  Hem the legs
7.  Add rivets