Are there nonstop flights from Ghaziabad (HDO) to Adampur (AIP)?

Yes. Star Air (India) fly this route. Flight time is about 54m.

Ghaziabad → Adampur

Hindon Airport / Hindon Air Force Station (HDO) to Adampur Airport (AIP)・340 km

Nonstop flights available (1 airline). Flight time about 54m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.