$447 Cheap Flights from Shanghai (SHA) to Seattle (SEA)

View $447 flight on Fri, Dec 12, 2025Opens in a new window

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

Cheap Flights from Shanghai to Seattle (SHA-SEA)

Prices were available within the past 7 days and start at $447 for one-way flights and $773 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Tue, Dec 9 - Sat, Jan 3
SHA
Shanghai
SEA
Seattle
$773 Roundtrip, found 6 days ago
$773
Roundtrip
found 6 days ago
Select Hainan Airlines flight, departing Tue, Dec 9 from Shanghai to Seattle, returning Sat, Jan 3, priced at $773 found 6 days ago
Hainan Airlines
Tue, Oct 14 - Sat, Jan 10
SHA
Shanghai
SEA
Seattle
$789 Roundtrip, found 2 days ago
$789
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Tue, Oct 14 from Shanghai to Seattle, returning Sat, Jan 10, priced at $789 found 2 days ago
Air China
Wed, Oct 8 - Thu, Oct 23
SHA
Shanghai
SEA
Seattle
$974 Roundtrip, found 4 days ago
$974
Roundtrip
found 4 days ago
Select Air China flight, departing Wed, Oct 8 from Shanghai to Seattle, returning Thu, Oct 23, priced at $974 found 4 days ago

Find the cheapest month to fly from Shanghai (SHA) to Seattle (SEA)

April is typically the cheapest month to fly

From $706 - $1,259 per traveler.

Frequently asked questions

How much does a flight from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA) cost?
Secure a cheap one-way flight from $447 or cheap return flight from $773 from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from SHA to SEA is December, when demand is low. Off-peak season is often when better flight deals are available between these airports.
Which airlines fly direct from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA)?
You can't fly directly from Shanghai (SHA-Hongqiao Intl.) to Seattle - Tacoma Intl. Airport (SEA). However, you'll find other airports that offer nonstop flights. Start your journey at Pudong Intl. Airport (PVG) and travel straight to Seattle without a layover.
What is the cheapest airline that flies from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline flying from SHA to SEA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to take a flight with a layover if you're traveling from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SHA to SEA?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until just before your departure to book a ticket from SHA to SEA generally means paying more. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a SHA to SEA flight and hotel package?
You'll generally save money by securing a SHA to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your preferred flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Hongqiao Intl. Airport (SHA) to Seattle - Tacoma Intl. Airport (SEA)?
In most cases, you're able to cancel or reschedule your SHA to SEA flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Hongqiao Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air China, All Nippon Airways, Cathay Pacific, Hainan Airlines
Roundtrip price
$773
Distance
5723 mi

Book with confidence

Book with confidence

Shanghai to Seattle Flights

The cheapest times to fly from Shanghai to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Shanghai to Seattle are during the month of December. You can find some of the cheapest flights from Shanghai to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Shanghai to Seattle

Sunday is one of the best days to book for cheap flights from Shanghai to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Shanghai to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Shanghai to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $447 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Shanghai to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Shanghai to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Shanghai to Seattle Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.