Nairobi (NBO) to Johannesburg (JNB): 1,810 miles (2,912 km) great-circle, about 4h 05m nonstop by our estimate. Cheapest fare observed: $521 round-trip on Air Tanzania, with 1 stop, departing May 30, 2026.
$521 round-trip, Air Tanzania TC203, departing 2026-05-30 at 23:40, returning 2026-06-01. The recorded itinerary left on a Saturday, returning on a Monday 2 nights later; the fare was observed 35 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $521, it ranked 10th of the 30 round-trip fares we recorded from NBO (median $615). That is 28.8 cents per great-circle mile (round-trip price over one-way distance), close to the NBO median of 26.4 cents across 30 round-trip routes.
Routes from NBO of similar length: Cairo (2,202 mi) at $561 and Dubai (2,212 mi) at $585.
NBO to JNB is the only one of 30 NBO routes where Air Tanzania priced cheapest. It is the 21st longest of the 30 routes we track from NBO.
Of 5 departure airports with a fare to Johannesburg, Nairobi (NBO) ranked 2nd at $521. Lowest: $284 from Cape Town (CPT); highest: $1745 from Cancun (CUN); 1 nonstop. Cheapest-fare airlines (routes): TAAG Angola Airlines (2), Air Tanzania (1), airline E9 (1) and airline GE (1).
The reverse, Johannesburg (JNB) to Nairobi (NBO), was $547 round-trip on RwandAir, 1 stop, departing April 29, 2026. Johannesburg to Nairobi flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Africa/Nairobi, Africa/Johannesburg; flight time is our estimate.