Are there nonstop flights from Siliguri (IXB) to Guwahati (GAU)?

Yes. Akasa Air fly this route. Flight time is about 53m.

What is the fastest connection from Siliguri (IXB) to Guwahati (GAU)?

via Paro ≈ 1h 28m, via Agartala ≈ 1h 48m, via Imphal ≈ 2h 1m (estimated flying time, excluding layovers).

Bagdogra Airport (IXB) to Lokpriya Gopinath Bordoloi International Airport (GAU)・331 km

Nonstop flights available (1 airline). Flight time about 53m. Nonstop return flights also operate.

5 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.