Are there nonstop flights from Porto Alegre (POA) to London (STN)?

No. The fastest connection is via Lisbon, about 13h 16m of total flying time.

What is the fastest connection from Porto Alegre (POA) to London (STN)?

via Lisbon ≈ 13h 16m (estimated flying time, excluding layovers).

Porto Alegre-Salgado Filho International Airport (POA) to London Stansted Airport (STN)・10,389 km

No nonstop flights. The fastest connection is via Lisbon (LIS), about 13h 16m of flying time (layover not included).

None.

1 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.