Here’s what to know about each premium cabin typeand how to book them.

The distinctions between business and first-class services, however, arent exactly black and white.

You often see domestic first class offered as the forward cabin, yet there are no lie-flat seats.

First Class on Airplane

Luxury airplane seat with a meal.Credit:imaginima/Getty Images

Alternatively, on many international carriers, you see business class featuring lie-flat seats with perks like lounge access.

She also notes that dining in business class is a step above what youll find in economy.

Youll also receive complimentary alcoholic beverages and better food options.

Business Class on Boeing 787-10 Airplane

Business Class on Boeing 787-10 Airplane.Bloomberg/Getty Images

And when youve boarded?

Heres what to know about upgrades.

That said, Nastro warns this long-term strategy has become more of a losing battle than a winning one.

Business Class on Airplane

A business class airplane seat.NurPhoto/Getty Images

Another way you might score a free upgrade is by accepting a voluntary bump on an oversold flight.

I often recommend that my clients monitor the airline app for available upgrades leading up to their departure.