Hawaiian Airlines via DealBase offers round-trip flights to Hawaii, with prices starting from $398. That's the lowest price we could find for select routes by $40. Book this travel deal by June 6. Buy Now Tips On the DealBase landing page, click on "Hawaiian Airlines" in the top line to see this sale; we found lower fares within. We found this price on flights departing on August 19 from Oakland, CA (OAK) to Honolulu, HI (HNL), with return on August 29. All prices, dates, and booking details were valid at the time of publication.