Are there nonstop flights from Barcelona (BCN) to Buenos Aires (EZE)?

Yes. Level fly this route. Flight time is about 12h 50m.

What is the fastest connection from Barcelona (BCN) to Buenos Aires (EZE)?

via São Paulo ≈ 13h 21m, via Madrid ≈ 13h 26m, via Santa Cruz ≈ 14h 20m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Josep Tarradellas Barcelona-El Prat Airport (BCN) to Ezeiza International Airport - Ministro Pistarini (EZE)・10,481 km

Nonstop flights available (1 airline). Flight time about 12h 50m. Nonstop return flights also operate.

With milesANA 35,000 miles+ (via ZRH)JAL 45,000 miles+ (via MAD)Economy, one way, estimate. Tap a connection for miles by cabin.

22 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.