Are there nonstop flights from Tenerife (TFS) to Stuttgart (STR)?

Yes. Eurowings, Condor Flugdienst, TUI fly Deutschland fly this route. Flight time is about 4h 15m.

What is the fastest connection from Tenerife (TFS) to Stuttgart (STR)?

via Bilbao ≈ 4h 46m, via Zurich ≈ 4h 46m, via Lisbon ≈ 4h 46m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Tenerife Sur Airport (TFS) to Stuttgart Airport (STR)・3,184 km

Nonstop flights available (3 airlines). Flight time about 4h 15m. Nonstop return flights also operate.

With milesANA 15,000 miles+ (via VIE)Economy, one way, estimate. Tap a connection for miles by cabin.

38 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.