$419 Cheap Air China flights San Francisco (SFO) to Changsha (CSX)

You can discover affordable return Air China flights from $769 from SFO to CSX by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $419 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.

Landing the best Air China deals from SFO to CSX is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before you want to travel.*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 "Early Morning" and "Morning" to browse the earliest flights from SFO to CSX. Heading 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.

Fly from SFO to CSX with Air China and you can look forward to a host of benefits including top-tier customer service. When you book through Expedia as a PhoenixMiles 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.