Are there nonstop flights from Jakarta (HLP) to Jember (JBB)?

Yes. FlyJaya fly this route. Flight time is about 1h 25m.

Jakarta → Jember

Halim Perdanakusuma International Airport (HLP) to Notohadinegoro Airport (JBB)・782 km

Nonstop flights available (1 airline). Flight time about 1h 25m. Nonstop return flights also operate.

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