It looks like you are wishing to purchase a new LG G Flex 2! I have provided a link below that shows all of your available options when purchasing this specific device!
Click this link to Compare LG G Flex 2
Here are the 2 carriers from the search results page that might be beneficial to you.
Remember choosing different ways to pay like through monthly installments, early upgrade or lease will make that expensive upfront cost affordably divided into a 24 month payment period.