Are there nonstop flights from Buenos Aires (AEP) to Salta (SLA)?

Yes. Aerolíneas Argentinas, JetSmart Argentina fly this route. Flight time is about 2h.

What is the fastest connection from Buenos Aires (AEP) to Salta (SLA)?

via Rosario ≈ 2h 31m, via San Miguel de Tucumán ≈ 2h 32m, via Cordoba ≈ 2h 37m (estimated flying time, excluding layovers).

Aeroparque Jorge Newbery (AEP) to Martín Miguel de Güemes International Airport (SLA)・1,276 km

Nonstop flights available (2 airlines). Flight time about 2h. Nonstop return flights also operate.

8 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.