Are there nonstop flights from Los Angeles (LAX) to Buenos Aires (AEP)?

No. The fastest connection is via Lima, about 12h 36m of total flying time.

What is the fastest connection from Los Angeles (LAX) to Buenos Aires (AEP)?

via Lima ≈ 12h 36m, via Santiago ≈ 12h 55m, via São Paulo ≈ 14h 40m (estimated flying time, excluding layovers).

Los Angeles International Airport (LAX) to Aeroparque Jorge Newbery (AEP)・9,849 km

No nonstop flights. The fastest connection is via Lima (LIM), about 12h 36m of flying time (layover not included).

None.

3 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.