Are there nonstop flights from Athens (ATH) to Johannesburg (JNB)?

No. The fastest connection is via Cairo, about 9h 40m of total flying time.

What is the fastest connection from Athens (ATH) to Johannesburg (JNB)?

via Cairo ≈ 9h 40m, via Addis Ababa ≈ 9h 57m, via Istanbul ≈ 10h 28m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Athens Eleftherios Venizelos International Airport (ATH) to O.R. Tambo International Airport (JNB)・7,139 km

No nonstop flights. The fastest connection is via Cairo (CAI), about 9h 40m of flying time (layover not included).

With milesANA 30,000 miles+ (via CAI)JAL 37,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.