Focus Camera offers the Urban Armor Gear Folio Case for iPhone 6 in Black (pictured) for $19.99 with free shipping. That's the lowest total price we could find by $5. It's impact-resistant and features oversized buttons and a screen protector.

Also available is the Urban Armor Gear Composite Case for iPhone 6 in Slate, Rust, or Ice for $19.99 with free shipping. That's the lowest total price we could find by $3. It's also impact-resistant and features oversized buttons and a screen protector.