30 October 1977– 170 passengers paid between $2222 for economy, and $3333 for first-class on Pan Am Flight 50, operated by Clipper New Horizons.
While in flight they were treated to a Gucci fashion show, musicians, and a hairdresser. They flew over the North and South poles on a flight that lasted 54 hours 7 minutes and 12 seconds round trip from San Francisco with stops in London, Cape Town, and Aukland. 
See a great old video here: https://youtu.be/Icu_44iVDA8