Can I leave my contract penalty free? If you're mid-contract, you won't be able to leave Sky penalty free as Sky says its terms and conditions allow it to raise prices once within a 12 month minimum contract term up to a maximum of 10%.he provider last upped prices in September 2014 and customers in their minimum term can only be hit with hikes once a year (see the Sky TV customers face 30/year price rise MSE news story). See MoneySavingExpert.com's Digital TV Deals guide for the best offers.