[2023-05-09 15:17:00] Maui and Kona are still available, but the Honolulu fares are expired or removed.
Delta has round-trip flights from Houston (IAH) to Honolulu, Maui, or Kona, Hawaii (HNL, OGG, KOA) for $378 with a connection. Flights August to October. No Weekends. Departures on Monday, Tuesday, Wednesday, and Thursday. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free on Delta. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Click for more details and booking links Cheap Flights: Houston to/from Honolulu, Maui, or Kona, Hawaii $340-$387 r/t [August-October] – Delta