How much does it cost to upgrade to first class on Delta Air Lines?

The cost of upgrading varies massively, but it helps to be an elite member and book a lower class fare and wait for an ...
Yahoo

I paid $500 to fly first class with Delta for the first time. It was great, but not worth the upgrade for a 3-hour trip.

Add Yahoo as a preferred source to see more of our stories on Google. Business Insider's reporter spent three hours in Delta's first class cabin while flying from NYC to West Palm Beach, Florida.Joey ...