Are there nonstop flights from Amsterdam (AMS) to Buenos Aires (EZE)?

Yes. KLM fly this route. Flight time is about 13h 59m.

What is the fastest connection from Amsterdam (AMS) to Buenos Aires (EZE)?

via São Paulo ≈ 14h 32m, via Paris ≈ 14h 32m, via London ≈ 14h 32m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Amsterdam Airport Schiphol (AMS) to Ezeiza International Airport - Ministro Pistarini (EZE)・11,462 km

Nonstop flights available (1 airline). Flight time about 13h 59m. Nonstop return flights also operate.

With milesANA 35,000 miles+ (via FRA)JAL 45,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

28 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.