Cheap flights from Seattle to Shanghai from $450
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Shanghai departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Shanghai
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Shanghai?
The cheapest month to fly to Shanghai from Seattle is in March. Flight prices, which tend to average around $998, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Shanghai, with average flight prices from Seattle averaging around $1,030.
What is the cheapest day to depart on your flight to Shanghai?
The cheapest day to depart on your flight to Shanghai is on a Sunday when prices can be found for as low as $1,191. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Shanghai for around $1,391.
What is the cheapest time of day to depart on your flight to Shanghai?
Our data shows that the cheapest Seattle to Shanghai flights are usually those with departure times in the afternoon. Our users have found flights to Shanghai in the afternoon for as low as $1,220. Flights at noon are often more expensive with an average ticket price of $1,490.
What is the cheapest Seattle/Tacoma Intl to Shanghai flight route?
Fly from Seattle/Tacoma Intl to Shanghai Pu Dong for the best Seattle/Tacoma Intl - Shanghai flight prices
How far in advance should I book a flight to Shanghai?
You are more likely to see cheaper flights to Shanghai from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Shanghai for around $1,210 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shanghai from Seattle for as low as $861 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Shanghai flights?
There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Shanghai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Shanghai?
Philippine Airlines, Korean Air, and Asiana Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Shanghai
What airlines fly to Shanghai?
Delta, Korean Air and Asiana Airlines are the top three most popular airlines that fly to Shanghai from Seattle according to our data. Delta is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Shanghai. Keep in mind that there are 9 different airlines that fly to Shanghai on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Shanghai on average per week?
As of July 2025, 6 flights take off from Seattle and land in Shanghai each week. The most common flight departure day for this route is Tue, with 17% of weekly flights taking off on this day.
Cheap Seattle to Shanghai flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Shanghai
How far is Seattle/Tacoma Intl to Shanghai by plane?
There are 5704.2 mi between Seattle/Tacoma Intl and Shanghai. Typically, this will take 15h 25m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Shanghai?
Prices for flights from Seattle/Tacoma Intl Airport to Shanghai refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Shanghai?
There are 9 operators available for flights from Seattle/Tacoma Intl Airport to Shanghai as of July 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Shanghai?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Shanghai.
What documentation or ID do you need to fly to Shanghai?
The necessary travel and health documents for your Shanghai trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Seattle to Shanghai
Compare and see reviews for airlines that fly from Seattle to Shanghai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $537 | Free Cancellation | Rating 8.2 41 reviews | |||
| PriceFrom $584 | Free Cancellation | Rating 8.0 7,974 reviews | |||
| PriceFrom $712 | Free Cancellation | Rating 7.4 8,858 reviews | |||
| PriceFrom $719 | Free Cancellation | Rating 7.1 9,660 reviews | |||
| PriceFrom $732 | Free Cancellation | Rating 8.2 450 reviews | |||
| PriceFrom $825 | Free Cancellation | Rating 8.3 745 reviews | |||
| PriceFrom $907 | Free Cancellation | Rating 8.4 1,101 reviews | |||
| PriceFrom $949 | Free Cancellation | Rating 8.4 892 reviews | |||
| PriceFrom $1,038 | Free Cancellation | Rating 8.4 1,212 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Shanghai?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Shanghai. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to Shanghai with flexible booking policies on momondo?
momondo does allow users to show only those flights to Shanghai from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to Shanghai?
momondo helps you find the best flight between Seattle and Shanghai by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Shanghai right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Shanghai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.