Are there nonstop flights from Rio de Janeiro (SDU) to Teresina (THE)?

No. The fastest connection is via Belo Horizonte, about 3h 21m of total flying time.

What is the fastest connection from Rio de Janeiro (SDU) to Teresina (THE)?

via Belo Horizonte ≈ 3h 21m, via Salvador ≈ 3h 37m, via Brasília ≈ 3h 39m (estimated flying time, excluding layovers).

Santos Dumont Airport (SDU) to Senador Petrônio Portela Airport (THE)・1,985 km

No nonstop flights. The fastest connection is via Belo Horizonte (CNF), about 3h 21m of flying time (layover not included).

None.

6 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.