United Airlines via ShermansTravel offers United Airlines Roundtrip Flights to Hawaii from select cities in the U.S. for as low as $357.10. (On the Shermans Travel landing page, click on "United.com" in the main paragraph to see this sale; we found this price on September 25 with return on September 29.) That's $5 under our mention from last week and the lowest price we could find for select routes today by at least $5, although most carriers charge $413 or more. Book this travel deal by August 31.
All prices, dates, and booking details were valid at the time of publication.