Are there nonstop flights from Istanbul (IST) to Trondheim (TRD)?

No. The fastest connection is via Gdańsk, about 4h 13m of total flying time.

What is the fastest connection from Istanbul (IST) to Trondheim (TRD)?

via Gdańsk ≈ 4h 13m, via Stockholm ≈ 4h 14m, via Kraków ≈ 4h 16m (estimated flying time, excluding layovers).

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

İstanbul Airport (IST) to Trondheim Airport, Værnes (TRD)・2,725 km

No nonstop flights. The fastest connection is via Gdańsk (GDN), about 4h 13m of flying time (layover not included).

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

None.

13 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.