Cheap China Southern Airlines flights Seattle (SEA) to Harbin (HRB)

You can discover affordable return China Southern Airlines flights from SEA to HRB by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains 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.

Search for China Southern Airlines flights from SEA to HRB about one month before you want to go. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or ticket type, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking 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 browse the earliest departures from SEA to HRB. Setting 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.

Taking off from SEA to HRB with China Southern Airlines means enjoying a host of benefits, including top-tier customer service and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the China Southern Sky Pearl Club points you can earn with China Southern Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.