Johannesburg (JNB) to Port Louis (MRU): 1,905 miles (3,066 km) great-circle, about 4h 20m nonstop by our estimate. Cheapest fare observed: $671 round-trip on airline UU, with 1 stop, departing April 30, 2026.
$671 round-trip, airline UU UU344, departing 2026-04-30 at 23:45, returning 2026-05-05. The recorded itinerary left on a Thursday, returning on a Tuesday 5 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $671, it ranked 23rd of the 30 round-trip fares we recorded from JNB (median $564). That is 35.2 cents per great-circle mile (round-trip price over one-way distance), above the JNB median of 23.2 cents across 30 round-trip routes.
Routes from JNB of similar length: Kampala (1,831 mi) at $386 and Nairobi (1,810 mi) at $547.
JNB to MRU is the only one of 30 JNB routes where airline UU priced cheapest. It is the 16th longest of the 30 routes we track from JNB.
Of 5 departure airports with a fare to Port Louis, Johannesburg (JNB) ranked 1st at $671. Lowest: $671 from Johannesburg (JNB); highest: $2339 from Wellington (WLG); 0 nonstop. Cheapest-fare airlines (routes): Air India (1), airline UU (1), Emirates (1), IndiGo (1) and South African Airways (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Africa/Johannesburg, Indian/Mauritius; flight time is our estimate.