$259 Cheap United flights San Francisco (SFO) to Liberia (LIR)

You'll find budget-friendly return United Airlines flights from $486 from SFO to LIR by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $259 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 grab cheap flights from SFO to LIR with United Airlines, begin 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 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.

The first flight from SFO to LIR with United Airlines departs at 11:05AM UTC-8. You'll touch down at 7:19PM UTC-6. The final United Airlines flight of the day takes off at 11:05AM UTC-8 and arrives at 7:19PM UTC-6. With approximately 20% fewer cancellations for departures before noon, setting off early is generally the smartest choice.**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 passengers heading from SFO to LIR. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.