A look at how expensive Premium Plus can be, and what you can expect from this cabin.

What the major airlines have to offer in premium economy.

Add Yahoo as a preferred source to see more of our stories on Google. Don't get tricked next time you pay for an airline upgrade, because you might not be getting what you expect. Here's what I mean.

The best of the most popular cabin class now.

Don't get tricked next time you pay for an airline upgrade, because you might not be getting what you expect. Here's what I mean. I'm going to show you a few pictures and I want you to pick the one ...