Are there nonstop flights from London (STN) to São Luís (SLZ)?

No. The fastest connection is via Lisbon, about 9h 47m of total flying time.

What is the fastest connection from London (STN) to São Luís (SLZ)?

via Lisbon ≈ 9h 47m (estimated flying time, excluding layovers).

London Stansted Airport (STN) to Marechal Cunha Machado International Airport (SLZ)・7,354 km

No nonstop flights. The fastest connection is via Lisbon (LIS), about 9h 47m 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.