http://www.techradar.com/news/iphone-8-plus-deals-price-in-usa

There's going to be an iPhone 8 Plus and it's going to be expensive, but maybe no more expensive than last year's Plus-sized iPhone it turns out.

That's because we expect the iPhone 8 Plus to be Apple's next iterative update to the phablet-sized smartphone, leaving the iPhone X to the redesign.