$299 Cheap United flights Boston (BOS) to Honolulu (HNL)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap United Airlines return flights from $597 from BOS to HNL. Affordable one-way fares from $299 are also on offer.**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 cheapest months to fly to Honolulu with United Airlines. You could also find great prices on one-way and round-trip tickets in October.

Search for cheap United Airlines flights from Logan Intl. Airport (BOS) to Daniel K. Inouye Intl. Airport (HNL) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 journey from BOS to HNL with United Airlines or another airline, check the “Nonstop” filter when looking for tickets.

To find the earliest departures from BOS to HNL with United Airlines, filter your search by “Morning” and “Early Morning.” Booking an early flight usually means 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 Logan Intl. Airport (BOS).

A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to depart from BOS to HNL with United Airlines. Plus, when you join Expedia’s free One Key™ program, you can earn OneKeyCash™* alongside United Airlines’s loyalty program earnings. It’s yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making your booking, but your airline may add a charge after that. For further details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to update your itinerary without being charged, tick the “Changes included” or “No cancel fee” filter when organizing your next break.