Are there nonstop flights from Guayaquil (GYE) to Buenos Aires (EZE)?

Yes. Avianca Costa Rica, Avianca Ecuador, LATAM Airlines Ecuador fly this route. Flight time is about 5h 30m.

What is the fastest connection from Guayaquil (GYE) to Buenos Aires (EZE)?

via Lima ≈ 6h 3m, via Quito ≈ 6h 29m, via Santiago ≈ 6h 34m (estimated flying time, excluding layovers).

from 17,500 ANA miles (economy, one way, based on the published award charts).

José Joaquín de Olmedo International Airport (GYE) to Ezeiza International Airport - Ministro Pistarini (EZE)・4,251 km

Nonstop flights available (3 airlines). Flight time about 5h 30m. Nonstop return flights also operate.

With milesANA 17,500 miles+ (via BOG)Economy, one way, estimate. Tap a connection for miles by cabin.

8 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.