$426 Cheap China Southern Airlines flights San Francisco (SFO) to Changsha (CSX)

Finding cheap one-way China Southern Airlines flights from SFO to CSX from $426 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $769 for your next break.**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.

Look for China Southern Airlines flights from SFO to CSX about one month before you want to leave. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**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 find the earliest departures from SFO to CSX. Jetting off early means you're 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.

China Southern Airlines makes flying from SFO to CSX more enjoyable with top-tier customer service and a 4-star airline rating. You also have the chance to earn points with China Southern Sky Pearl Club. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.