Are there nonstop flights from Subang (SZB) to Guwahati (GAU)?

No. The fastest connection is via Bangkok, about 4h 21m of total flying time.

What is the fastest connection from Subang (SZB) to Guwahati (GAU)?

via Bangkok ≈ 4h 21m, via Singapore ≈ 5h (estimated flying time, excluding layovers).

Sultan Abdul Aziz Shah International Airport (SZB) to Lokpriya Gopinath Bordoloi International Airport (GAU)・2,767 km

No nonstop flights. The fastest connection is via Bangkok (DMK), about 4h 21m of flying time (layover not included).

None.

2 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.