That's because for most fliers, business or first class is often prohibitively expensive and a rarity saved for special occasions or occasional upgrades. However, Scott's Cheap Flights ...

Alvin Man/Getty Even the cheapest first class flights will ... it can all get pretty confusing. (Read here for a deep dive on the difference between business and first class.) ...

Even the cheapest first class ... premium cabins on domestic flights each have their own take on the “first class” experience, whether they call it first, business, or something in between.