SEA to CAN, Seattle–Tacoma International Airport to Guangzhou Baiyun International Airport Cheap Flights

Based on HopeGoo data, Hainan Airlines offers one-way fares as low as US$367 on Cheapest nonstop routes (e.g. SEA to CAN on Thu, Mar 12), while Hainan Airlines offers Cheapest nonstop round-trips from US$645 departing on Thu, Mar 26 and returning on Thu, Apr 2.

At the moment, several airlines serve connecting flights from Seattle to Guangzhou, including: EVA Air Selected airlines are based on historical data collected from flight bookings made by users on HopeGoo within the last 90 days.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Seattle to Guangzhou is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Seattle to Guangzhou, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Mar 12, with one-way flights priced at just US$367. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hainan Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Guangzhou travel is around January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Seattle to Guangzhou is November, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Seattle to Guangzhou on February 26, 2026 with Hainan Airlines, with prices starting at US$368.

You can land at any one of the following hubs in Guangzhou, with Seattle–Tacoma International Airport to Guangzhou Baiyun International Airport (SEA-CAN) is by far the most common option on this route: Guangzhou Baiyun International Airport (CAN).

The time difference between Guangzhou and Seattle is 16h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.