King Mswati III Intl is served by 1 airline, flying from/to 2 destinationsLongest flight from King Mswati III Intl is Manzini to 🇿🇦 Johannesburg (JNB), which takes around 8 hours and 5 minutes. On an airline like Airlink. More info on this flight route (SHO-JNB).Shortest flight from King Mswati III Intl is Manzini to 🇿🇦 Johannesburg (JNB), which takes around 8 hours and 5 minutes. On an airline like Airlink. More info on this flight route (SHO-JNB).