| Nonstop Flights: Austin to/from Honolulu $428 r/t [April-May] â Hawaiian Hawaiian has round-trip flights from Austin (AUS) to Honolulu (HNL) for $428, NONSTOP. Flights April to May. Departures on Tuesday, Thursday, and Sunday. Extended weekends available. Origin/Destination reversible. Previous deals were cheaper, but had connections. Carry-on bag is allowed for free. No advance seat selection. You can avoid paying for seat selection by accepting a random assigned seat at the gate. Click for more details and booking links Nonstop Flights: Austin to/from Honolulu $428 r/t [April-May] â Hawaiian . | 