Are there nonstop flights from Luton (LTN) to Porto Alegre (POA)?

No. The fastest connection is via Lisbon, about 13h 14m of total flying time.

What is the fastest connection from Luton (LTN) to Porto Alegre (POA)?

via Lisbon ≈ 13h 14m (estimated flying time, excluding layovers).

London Luton Airport (LTN) to Porto Alegre-Salgado Filho International Airport (POA)・10,360 km

No nonstop flights. The fastest connection is via Lisbon (LIS), about 13h 14m 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.