Are there nonstop flights from New York (LGA) to Cape Town (CPT)?

No. The fastest connection is via Washington, about 16h 27m of total flying time.

What is the fastest connection from New York (LGA) to Cape Town (CPT)?

via Washington ≈ 16h 27m, via Atlanta ≈ 17h 50m (estimated flying time, excluding layovers).

LaGuardia Airport (LGA) to Cape Town International Airport (CPT)・12,575 km

No nonstop flights. The fastest connection is via Washington (IAD), about 16h 27m of flying time (layover not included).

None.

2 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.