How much does it cost to attend LA Tomatina festival?

This will entirely depend on certain factors. The place where you are from can have a huge effect on the amount that you will spend. If you are from Spain, it will be cheaper. There are some tour agencies that will allow you to join the event for a discounted price.

They will also be in charge of your transportation, and so much more. If you live outside Spain and far from Europe, you are already going to spend money on airfare alone. You also have to pay for the entry to the festival and the after-party. This explains why some people feel that it is not worth it because they have spent so much on it that they have expected it to become greater than what it actually is.