Cheap flights from Seattle to China from $348

In general, April is the cheapest month to fly from Seattle to China. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $770. If you aren’t able to travel during the month of April, then book flights to China from Seattle during March instead. Flights to China in March, while not as cheap as those in April, still average around $782.

Our data shows that Tuesday is the least expensive day to fly to China. Tickets to fly out on this day can be as low as $992. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to China on Friday is $1,177.

Our data shows that the cheapest Seattle to China flights are usually those with departure times at noon. Our users have found flights to China at noon for as low as $988. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,141 on average. Flights to China from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Seattle/Tacoma Intl to Beijing Capital for the best Seattle/Tacoma Intl - China flight prices

You are more likely to see cheaper flights to China from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to China for around $1,007 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to China from Seattle for as low as $734 on momondo.

There are 3 cabin classes available to choose from on Seattle to China flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cathay Pacific, Korean Air, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to China

Asiana Airlines, Delta and Cathay Pacific are the top three most popular airlines that fly to China from Seattle according to our data. Asiana Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to China. Keep in mind that there are 9 different airlines that fly to China on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Seattle and China have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, Hainan Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

1 flights are operational daily from Seattle to China as of September 2026. The most popular departure time for this route is 4:00PM, with 77% of flights per day taking off in the afternoon.

As of September 2026, 9 flights take off from Seattle and land in China each week. The most common flight departure day for this route is Tue, with 22% of weekly flights taking off on this day.