| Nonstop Flights: Austin to Honolulu $399-$423 r/t [April-May] (Tuesday / Sunday) â Hawaiian Hawaiian has round-trip flights from Austin (AUS) to Honolulu (HNL) for $399-$423, NONSTOP. Flights April to May. Departures on Thursday and Sunday. A negative COVID test result is required for entry. We used Walgreens for their IDNOW RAPID NAAT test and it was free. Youâll also need to register your results with the Hawaii Safe Travelers Program. Click for more details and booking links Nonstop Flights: Austin to Honolulu $399-$423 r/t [April-May] (Tuesday / Sunday) â Hawaiian . | 
