Cheap flights from Shanghai Pu Dong Airport to Seattle from $352

In general, April is the cheapest month to fly from Shanghai Pu Dong Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $818. If you don’t want to visit Seattle in April, then you should wait until March to fly from Shanghai Pu Dong Airport, when ticket prices are also cheap, with an average price of $819.

On average, the least expensive day to fly to Seattle from Shanghai Pu Dong Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $872. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Shanghai Pu Dong Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,088.

Flying to Seattle from Shanghai Pu Dong Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $833 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $1,016. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Shanghai Pu Dong to Seattle/Tacoma Intl for the best Shanghai Pu Dong - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Shanghai Pu Dong Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $986 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Shanghai Pu Dong Airport for as low as $777 on momondo.

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

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

Delta, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Seattle from Shanghai Pu Dong Airport according to our data. Delta is the first choice among our users, with 80% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Historically, on average around 35% of flights between Shanghai and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 293 minutes.

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

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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

Incheon (ICN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via San Francisco (SFO) offer the lowest average round-trip price of $1,073.

Flights connecting via Incheon (ICN) have the shortest average one-way travel time: 14h 35m.

San Francisco (SFO) has the shortest average layover time for this route: 2h 09m.

1 flights are operational daily from Shanghai Pu Dong Airport to Seattle as of March 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

The number of flights available between Shanghai Pu Dong Airport and Seattle is 7 per week as of March 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.