have a nice flight
A pleasant valediction to someone who is about to travel somewhere by airplane. Have a nice flight! Please text and let me know that you arrived in Miami safely.
Have a nice flight.
Please enjoy your flight. (Said when wishing someone well on an airplane trip. Often said by airline personnel to their passengers.) Clerk: Here's your ticket, sir. Have a nice flight. Fred: Thanks. As Mary boarded the plane, the flight attendant said, "Have a nice flight."