Are there nonstop flights from Tokyo (NRT) to Buenos Aires (EZE)?

No. The fastest connection is via Mexico City, about 22h 56m of total flying time.

What is the fastest connection from Tokyo (NRT) to Buenos Aires (EZE)?

via Mexico City ≈ 22h 56m, via Houston ≈ 23h 10m, via Dallas-Fort Worth ≈ 23h 11m (estimated flying time, excluding layovers).

from 50,000 JAL miles, from 57,500 ANA miles (economy, one way, based on the published award charts).

Narita International Airport (NRT) to Ezeiza International Airport - Ministro Pistarini (EZE)・18,297 km

No nonstop flights. The fastest connection is via Mexico City (MEX), about 22h 56m of flying time (layover not included).

With milesJAL 50,000 miles+ (via DFW)ANA 57,500 miles+ (via IAH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.