$316 Cheap United flights San José (SJO) to Honolulu (HNL)

You can find cheap return United Airlines flights from $581 from SJO to HNL by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $316 for a one-way journey.**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.

To discover cheap flights from SJO to HNL with United Airlines, start your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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.

Filter your results by "Morning" and "Early Morning" to find the earliest flights from SJO to HNL. Taking 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.

Depart from SJO to HNL with United Airlines and look forward to a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.