Are there nonstop flights from San Diego (SAN) to Buenos Aires (EZE)?

No. The fastest connection is via Panama City, about 12h 49m of total flying time.

What is the fastest connection from San Diego (SAN) to Buenos Aires (EZE)?

via Panama City ≈ 12h 49m, via Houston ≈ 13h 5m, via Dallas-Fort Worth ≈ 13h 15m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 40,000 JAL miles (economy, one way, based on the published award charts).

San Diego International Airport (SAN) to Ezeiza International Airport - Ministro Pistarini (EZE)・9,686 km

No nonstop flights. The fastest connection is via Panama City (PTY), about 12h 49m of flying time (layover not included).

With milesANA 30,000 miles+ (via PTY)JAL 40,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.