£449 Cheap Flights from Seattle (SEA) to Shanghai (SHA)

View £449 flight on Sat, 15 Aug 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Hongqiao International Airport (SHA)

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Cheap Flights from Seattle (SEA) to Shanghai (SHA)

Prices were available within the past 7 days and start at £449 for one-way flights and £1,539 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Fri, 17 Jul - Fri, 14 Aug
SEA
Seattle
SHA
Shanghai
£1,539 Return, found 4 days ago
£1,539
Return
found 4 days ago
Select All Nippon Airways flight, departing Fri, 17 Jul from Seattle to Shanghai, returning Fri, 14 Aug, priced at £1,539 found 4 days ago

Alternative airports near Shanghai

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pudong Intl. PVG. Cheapest option available. Average driving time to city centre is 53 minutes. Flights from £995
PVG
Pudong Intl.
Cheapest
Average driving time to city centre53 min
Flights from £995

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) cost?
One-way flights typically cost between £1,609 and £9,866 and return flights often range between £1,468 and £9,100. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
November is typically the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.), with average return fares of approximately £1393. This is about 18% lower than the average price throughout the year. November often sees lower prices as it's outside peak travel seasons, making it a great time to find deals. Other cheap months to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) include March and September.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) to Shanghai (SHA-Hongqiao Intl.) (SHA) will differ from traveller to traveller. If you like to fly early, DL offers early morning flights. If price is the most important factor, DL typically offers the lowest fares. AS offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) to Shanghai (SHA-Hongqiao Intl.) (SHA), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
Based on booking data from the past year, the best time to fly from Seattle - Tacoma Intl. (SEA) to Shanghai (SHA-Hongqiao Intl.) (SHA) is March. This month offers a good balance, as it's one of the cheapest times to fly, with average return flights around £1393, and it's also a popular month for travel, meaning you'll likely find plenty of flight options.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
There are approximately 19 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Hongqiao Intl. (SHA). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Taoyuan Intl. (TPE).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Hongqiao Intl. (SHA) typically departs at approximately 12:10 AM local time, operated by BR. This is a seasonal service active in January, February, March, November, and December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
You'll find the most flights from Seattle - Tacoma Intl. (SEA) to Shanghai (SHA-Hongqiao Intl.) on a Saturday, with around 65 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, American Airlines, and United Airlines. Flight schedules are consistent throughout the week, so you'll have a good selection of flights no matter which day you choose.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Hongqiao Intl. (SHA) are in the morning, from 9am to 12pm. About 22% of passengers prefer this time. This timing works well because it allows you to start your journey relatively early in the day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
Flights from SEA to SHA with one stop typically take around 17 hours 50 minutes, covering approximately 5,724 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to SHA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Shanghai from Seattle - Tacoma Intl. (SEA)?
When traveling from Seattle - Tacoma Intl. (SEA) to Shanghai, you can fly into Pudong Intl. (PVG) and Hongqiao Intl. (SHA). Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), Vancouver Intl. (YVR) before reaching Shanghai. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Shanghai (SHA-Hongqiao Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Hongqiao Intl.
Return price
£1,539
Distance
9158 km

Book with confidence

Compare flights from Seattle to Shanghai easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Shanghai. Operating between them flights per day, 2 airlines cover the route. And fly direct, getting you to Hongqiao Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Hongqiao Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Hongqiao Intl. (SHA)

The easiest way to view the best deals on flights from Seattle to Shanghai today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Hongqiao Intl. start at just £1,539 and range up to £1,539.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and Shanghai
  • booking your flight during July, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seattle to Shanghai flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Hongqiao Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Seattle to Shanghai easily and book with confidence

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