1
general::
Phrase(s): Have a good trip. [and] Have a nice trip.
Have a pleasant journey. (Compare this with Have a safe trip. This phrase avoids references to safety.) • As Sue stepped onto the plane, someone in a uniform said, "Have a nice trip." • "Have a good trip," said Bill, waving his good-byes.
McGrawhill's American Idioms And Phrasal Verbs