How much will humm cost me? Manager - Customer Support January 21, 2020 22:10 Updated Follow Not much! Check out table of fees and charges on the Humm website. Related articles I want to cancel my contract What is a humm Payment Plan? What can I purchase on 10 Travlr using Humm? How do I buy ‘Big Things’? How can I purchase activities on Humm? Comments 0 comments Please sign in to leave a comment.