Cheap flights from Seattle to Beijing from $388

In general, March is the cheapest month to fly from Seattle to Beijing. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $732. If you don’t want to visit Beijing in March, then you should wait until April to fly from Seattle, when ticket prices are also cheap, with an average price of $795.

On average, the least expensive day to fly to Beijing from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $905. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,428. These prices are subject to change though, so be sure to set up a Price Alert for flights to Beijing.

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

You are more likely to see cheaper flights to Beijing from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Beijing for around $1,011 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Beijing from Seattle for as low as $710 on momondo.

There are 2 cabin classes available to choose from on Seattle to Beijing flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of August 2026, prices for Seattle to Beijing flights are approximately 4% cheaper when compared to flights at the same time last year.

Asiana Airlines, Korean Air, and Cathay Pacific are the most popular carriers operating from Seattle/Tacoma Intl to Beijing

Asiana Airlines, Hainan Airlines and Air Canada are the top three most popular airlines that fly to Beijing from Seattle according to our data. Asiana Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Beijing. Keep in mind that there are 4 different airlines that fly to Beijing on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Seattle and Beijing have experienced a delay on any given week. The average delay length over the past 12 months has been 110 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 12% of their flights experiencing any sort of delay.

Incheon (ICN) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via Incheon (ICN) offer the lowest average round-trip price of $631.

Flights connecting via Incheon (ICN) have the shortest average one-way travel time: 17h 35m.

Incheon (ICN) has the shortest average layover time for this route: 2h 43m.