There is NO other way to get a US bank account, other than to go there in person.
If the price of a return ticket is to expensive, then in reality you do not NEED a US account. (if you live in Europe, wowair.com has ultra cheap tickets, and overall the combined ticket/hotel price will be less than an introducer will charge︀ you for an (temp) offshore account) Invest in the ticket and get yourself the a︁ account at the premium offshore location of 2017+: the USA.
If the price of a return ticket is to expensive, then in reality you do not NEED a US account. (if you live in Europe, wowair.com has ultra cheap tickets, and overall the combined ticket/hotel price will be less than an introducer will charge︀ you for an (temp) offshore account) Invest in the ticket and get yourself the a︁ account at the premium offshore location of 2017+: the USA.