| Cheap Flights: Austin to/from Honolulu, Hawaii $222 r/t [January-May.2021] â Southwest Southwest has round-trip flights from Austin (AUS) to Honolulu (HNL) for $222 with a connection. $111 each-way. Flights from January to May 2021. Origin/Destination reversible. Mostly weekday departures. A negative COVID PCR test result is required for entry. Carry on bag is allowed for free and Southwest doesnât charge a change-fee. Weâre seeing connection times of about 1-to-2 hours. Want a notification sent straight to your phone when any new deals are found? Join our Telegram channel and never miss another deal. We send our Patreon supporters a daily recap of all fares in Austin that are near or below their 9-month moving averages. There were 173 fares in the latest report. If youâre interested in our analytical data, consider supporting our work on Patreon. Click for more details and booking links Cheap Flights: Austin to/from Honolulu, Hawaii $222 r/t [January-May.2021] â Southwest . | 