I think people are missing what is a valid point. Travel zone or not, if you choose to buy the Seagulls Travel at £135 for 23 games, you don't expect it to then cost you an extra £11 for 19 games the following season. It is a significant increase in the price for no change to the actual service. It's a fair complaint.
Bus fares have just gone up in Brighton. Not related but as someone has already said without knowing the reasoning behind seagulls travel increasing the price we don't have the full facts