Sunday's closing ceremony was attended by Moon, the North Korean delegation, and U.S. President Donald Trump's daughter, Ivanka Trump, among other dignitaries.
Here are some of the best moments from the event:
The Olympics have given a boost to engagement between the two Koreas after more than a year of sharply rising tension over the North's missile tests and its sixth and largest nuclear test in defiance of U.N. sanctions.
But the closing days of the Games were overshadowed by the U.S. announcement that it was imposing its largest package of sanctions aimed at getting North Korea to give up its nuclear and missile programmes.
"Thanks to our supreme leadership's noble love for the nation and strong determination for peace, long-awaited inter-Korean dialogue and cooperation have been realized and the Olympics took place successfully by the inter-Korean collaboration," the North's KCNA state news agency said, citing North Korea's ministry of foreign affairs.
"On the eve of closing of the Olympics, United States is running amok to bring another dark cloud of confrontation and war over the Korean peninsula by announcing enormous sanctions against the DPRK," it said, using the initials of the North's official name, the Democratic People's Republic of Korea.
Banner/Thumbnail Credit: REUTERS, Christian Hartmann