$144 Cheap United flights San José (SJO) to San Jose (SJC)

Landing cheap one-way United Airlines flights from SJO to SJC from $144 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $230 for your next exciting getaway.**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 grab affordable flights from SJO to SJC with United Airlines, start searching 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 helpful tip? Booking on Sunday offers 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.

Sort your results by "Morning" and "Early Morning" to see the earliest flights from SJO to SJC. Setting off early means you're 20% less likely to experience cancellations.**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.

Offering a rewarding loyalty program, United Airlines is a top pick for many travelers heading from SJO to SJC. 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.