I am having the exact same problem so I dont want to add a new thread (If that is ok).
my page is here:
http://spicewoodvineyards.com/event/7th-annual-chili-cook-off/
If you scroll to the bottom and order tickets, it takes you to a blank screen cart page and has been working no problems until recently. All other woocommerce cart products work with no issues. Another interesting bit is that while troubleshooting, I found that if something else is already in your cart, it works, but if your cart is empty, the user goes to a blank white page.
Woocommerce and Events/tickets are all up to date. I have disabled all non essential plugins, even testing with essential plugins disabled. tickets add to cart does same thing regardless.