United Airlines via ShermansTravel offers United Airlines Roundtrip Flights to Hawaii from select cities in the U.S. for as low as $361.60. (On the Shermans Travel landing page, click on "United.com" in the main paragraph to see this sale.) That's tied with our mention from three weeks ago as the lowest we've seen for roundtrip flights to Hawaii since last July. (It's the best deal for select routes today by at least $97.) This price is valid on flights departing on August 30 from Seattle, WA, (SEA) with arrival in Honolulu, HI, (HNL) and return on September 6. This sale includes routes from Chicago, IL, (ORD); Los Angeles, CA, (LAX); Boston, MA, (BOS); and more. Book this travel deal by May 31 for travel through September 30.

All prices, dates, and booking details were valid at the time of publication.

Update: Flights now start from $365.70.