$204 Cheap United flights Santiago (STI) to Newark Liberty Intl. Airport (EWR)

Grab affordable round-trip United Airlines flights from $306 from STI to EWR by sorting your results from "Price (lowest to highest)" on Expedia. Or look for deals from $204 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 get cheap flights from STI to EWR with United Airlines, start searching about one month before your planned departure. You can save 17% when you lock in 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.

The first flight from STI to EWR with United Airlines leaves at 6:00AM UTC-4. You'll touch down at 9:05AM UTC-5. The last United Airlines flight of the day leaves at 4:00PM UTC-4 and arrives at 7:05PM UTC-5. With approximately 20% fewer cancellations for morning and mid-morning flights, setting off early is generally the best option.**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.

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