$154 Cheap United flights Portland (PDX) to Honolulu (HNL)

Landing cheap one-way United Airlines flights from PDX to HNL from $154 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $307 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

November is one of the least expensive months to fly to Honolulu with United Airlines. You could also find fantastic deals on one-way and round-trip fares in October.

Begin your search one to three months ahead of your departure date to find cheaper fares on United Airlines flights from Portland Intl. Airport (PDX) to Daniel K. Inouye Intl. Airport (HNL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct trip from PDX to HNL with United Airlines or another airline, select the “Nonstop” filter when searching for tickets.

Sort your results by “Morning” and “Early Morning” to see the earliest departures from PDX to HNL. Jetting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Daniel K. Inouye Intl. Airport (HNL) is the main Honolulu gateway for United Airlines flights from Portland Intl. Airport (PDX).

With a rewarding loyalty program, United Airlines is a top pick for many travelers flying from PDX to HNL. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually modify or cancel your flight, although there may be additional fees if you made your booking more than 24 hours ago. Need flexible options? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you need to revise your plans. To modify your booking, go to “Trips,” select your flight and click on “Manage Booking” for more details.