Below is the list of ways to pay for a vpn service;
(1) Card Payment - You can subscribe to a vpn service with your credit or Debit card.
(2) Paypal - paypal payment is accepted by most tier one vpn service
(3) Bitcoin - Note that bitcoin is accepted for 6 and 12 months subscription
(4) Webmoney - some accept web-money
(5) perfect-money - this means of payment is also widely accepted

You can compare different payment methods of the vpn services listed here www.downloadvpn.org

Thanks for sharing

You are welcome

Greatzeus:
Thanks for sharing