The union said research shows higher taxes have the least effect on lower socioeconomic groups - meaning poor families go without, to maintain smoking habits.
"At the same time that the Government is saying that they want people to reduce smoking, they're not allowing, for example, the sale of E-Cigarettes which in Briton are the most popular tool for people to quit smoking."
End Smoking NZ is also calling on the Government to ease restrictions around e-cigarettes.
Quitline is hoping many will contact the 24 hour service for support.
Team manger Willie Unuka said people who use the service are five times more likely to quit for good.
With the latest price hike, the expensive habit will jump to more than $7,000 a year if you buy a pack a day.
Quitline services are urging people to contact them if they choose to give up, making the process more bearable with support and advice 24 hours a day.