Are there nonstop flights from San Miguel de Tucumán (TUC) to Porto Alegre (POA)?

No. The fastest connection is via Buenos Aires, about 3h 16m of total flying time.

What is the fastest connection from San Miguel de Tucumán (TUC) to Porto Alegre (POA)?

via Buenos Aires ≈ 3h 16m, via Florianópolis ≈ 3h 22m (estimated flying time, excluding layovers).

Teniente Benjamín Matienzo International Airport (TUC) to Porto Alegre-Salgado Filho International Airport (POA)・1,406 km

No nonstop flights. The fastest connection is via Buenos Aires (AEP), about 3h 16m of flying time (layover not included).

None.

2 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.