jet set

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An international social set made up of wealthy people who travel from one fashionable place to another.

from the GNU version of the Collaborative International Dictionary of English.

• noun an international group of wealthy individuals who travel frequently to international resorts. -- the group is not organized, but membership is defined solely by frequent travel for pleasure.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun idiomatic A set of wealthy people who travel for pleasure
• adjective Relating to the life style of the jet set.
• verb To follow the life style of the jet set.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a set of rich and fashionable people who travel widely for pleasure