The private aviation definition of a roundtrip is different than commercial airlines, but you can find discounts as high as 40%
When buying a jet card we always say it pays to do some homework upfront from a multitude of reasons. Some of it involves kicking the tires of the providers, comparing their standards for sourcing airplanes and flight crew, assessing who they are, how long they’ve been around and so forth. However, in making the best decision it really helps if you can as best possible map out the trips you expect to be taking, and yes, how many people are traveling, but also how long each trip is and if it includes multiple stops, the time between each flight segment.