Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kuala Lumpur to Eswatini as you normally would.
Related info for your journey
Useful info, stats and facts about Kuala Lumpur to Eswatini flights.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Kuala Lumpur Intl Airport to Manzini King Mswati III Intl Airport flight would often be abbreviated as a KUL to SHO flight. Kuala Lumpur Subang Airport (SZB), Malacca Batu Berendum Airport (MKZ) are other airports near this flight route and their unique identifiers/IATA codes.