Are there nonstop flights from Singapore (SIN) to Buenos Aires (EZE)?

No. The fastest connection is via Addis Ababa, about 22h 46m of total flying time.

What is the fastest connection from Singapore (SIN) to Buenos Aires (EZE)?

via Addis Ababa ≈ 22h 46m, via Dubai ≈ 23h 58m, via Istanbul ≈ 25h 39m (estimated flying time, excluding layovers).

from 55,000 JAL miles, from 67,500 ANA miles (economy, one way, based on the published award charts).

Singapore Changi Airport (SIN) to Ezeiza International Airport - Ministro Pistarini (EZE)・15,876 km

No nonstop flights. The fastest connection is via Addis Ababa (ADD), about 22h 46m of flying time (layover not included).

With milesJAL 55,000 miles+ (via DXB)ANA 67,500 miles+ (via ADD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.