The cheapest times to fly from SEA to PEK are

  • February 5th to April 29th
  • August 27th to December 9th (except the week of September 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to PEK is late October to early November. Prices can be as high as $1195 for Saturday flights during mid December, or as low as $350 for Monday flights around late October to early November.


When to Fly to Beijing

Flying from Seattle, WA (SEA) to Beijing (PEK) will usually cost between $437 to $952 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $443. Due to high demand the most expensive time to fly is mid December, with an average price of $1002. Planning your trip to low-cost times can easily save you $559 on economy flights and even more on first-class flights. Generally, any price below $574 can be considered a good price for a round-trip SEA to PEK flight.

See below for a graph of average weekly prices for the SEA to PEK route. All prices are for round-trip tickets in USD.

SEA to PEK Flight Prices

Compared to other flights, the SEA to PEK flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.07, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to PEK, and Tuesday the cheapest day to fly back into SEA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $97 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $582. Return trip prices are from the PEK to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to PEK can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 10 hour 41 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from SEA to PEK? We’ve got answers.

Which airlines fly this route?

You can find 27 major airlines flying this route most often: Air Canada, Air China, Air France, Alaska, American, ANA, Asiana, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Condor, Delta, Etihad, EVA Air, Finnair, Hainan, JAL, KLM, Korean Air, Lufthansa, Shanghai Airlines, Shenzhen, SWISS, United, Xiamen, and potentially more during busy seasons.

How far away is it from Capital International Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 5392 miles or 8678 kilometers.

How long does it take to fly from SEA to PEK?

The real-world flight time for a nonstop SEA to PEK flight is about 10 hour 41 minutes.

How many flights go between Seattle, WA and Beijing?

It depends on the day of the week and the date, but a typical day might have around 87 available flights from SEA to PEK.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code PEK
Destination airport name Capital International Airport
City Beijing
Country China
Latitude 40.1
Longitude 116.6


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.