Are there nonstop flights from Buenos Aires (EZE) to Mexico City (MEX)?

Yes. Aeroméxico fly this route. Flight time is about 9h 12m.

What is the fastest connection from Buenos Aires (EZE) to Mexico City (MEX)?

via Lima ≈ 9h 43m, via Quito ≈ 9h 50m, via San José ≈ 9h 55m (estimated flying time, excluding layovers).

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

Ezeiza International Airport - Ministro Pistarini (EZE) to Mexico City Benito Juárez International Airport (MEX)・7,397 km

Nonstop flights available (1 airline). Flight time about 9h 12m. Nonstop return flights also operate.

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

18 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.