Ending today, Hawaiian Airlines via DealBase offers Roundtrip Flights to Hawaii from select cities, starting at $347.20. (On the DealBase landing page, click "Hawaiian Airlines" in the top line to see this sale.) This price is based on flights from Portland, OR (PDX), with arrival in Honolulu, HI, (HNL) departing on April 9 with return on April 16. That's the lowest price we could find for select routes by at least $17. Book this travel deal today for travel from April 1 through May 22. All prices, dates, and booking details were valid at the time of publication.