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 a month 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 $102.) This price is valid on flights departing on September 19 from Seattle, WA, (SEA) with arrival in Honolulu, HI, (HNL) and return on September 26. This sale includes routes from Chicago, IL, (ORD); Denver, CO, (DEN); San Francisco, CA, (SFO); and more. Book this travel deal by June 30 for travel through October 15.

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