Are there nonstop flights from Curitiba (CWB) to London (STN)?

No. The fastest connection is via Lisbon, about 12h 39m of total flying time.

What is the fastest connection from Curitiba (CWB) to London (STN)?

via Lisbon ≈ 12h 39m (estimated flying time, excluding layovers).

Curitiba-Afonso Pena International Airport (CWB) to London Stansted Airport (STN)・9,859 km

No nonstop flights. The fastest connection is via Lisbon (LIS), about 12h 39m 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.