Today only, Virgin Mobile is offering prepaid iPhones at up to 20% off. These are some of the best price we’ve seen and the lowest price from this carrier by as much as $110. You can pick up the 16GB iPhone 5 starting at just $440. The 8GB iPhone 4 is available for $280 and the 16GB 4S is $360 right now as well. This discounted prices will appear once the item is added to your cart.