Cheap flights from Seattle to Beijing from $359

In general, March is the cheapest month to fly from Seattle to Beijing Capital Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $781. If you aren’t able to travel during the month of March, then book flights to Beijing Capital Airport from Seattle during October instead. Flights to Beijing Capital Airport in October, while not as cheap as those in March, still average around $790.

Our data shows that Tuesday is the least expensive day to fly to Beijing Capital Airport. Tickets to fly out on this day can be as low as $905. The most expensive day to fly to Beijing Capital Airport is Wednesday, with ticket prices averaging around $1,428.

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

You are more likely to see cheaper flights to Beijing Capital Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Beijing Capital Airport 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 Capital Airport from Seattle for as low as $710 on momondo.

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

As of July 2026, prices for Seattle to Beijing Capital Airport flights are approximately 35% cheaper when compared to flights at the same time last year.

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

Asiana Airlines, Hainan Airlines and Air Canada are the top three most popular airlines that fly to Beijing Capital Airport 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 Capital Airport. Keep in mind that there are 4 different airlines that fly to Beijing Capital Airport 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: 33% 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.