Amazon has 2.2lbs GEEETECH PLA 3D Printer Filament 1.75mm (various colors) on sale with prices starting from $15.39 when you apply promotion code 30GTPRIME at checkout. Shipping is free for Prime members.
Available colors:
Black $15.39
White $16.09
Orange $16.09
https://www.amazon.com/gp/mpc/A2L6M8JQHCKPQP