S$636 Cheap Flights from Seattle to Shanghai

View S$636 flight on Mon, 2 Feb, 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 to Shanghai (SEA-SHA)

Prices were available within the past 7 days and start at S$636 for one-way flights and S$1,966 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, 29 Dec - Wed, 14 Jan
SEA
Seattle
SHA
Shanghai
S$1,966 Return, found 3 days ago
S$1,966
Return
found 3 days ago
Select Cathay Pacific flight, departing Mon, 29 Dec from Seattle to Shanghai, returning Wed, 14 Jan, priced at S$1,966 found 3 days ago

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

November is typically the cheapest month to fly

From S$895 - S$1,472 per traveller.
Seattle to Shanghai route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Hongqiao Intl.
Return price
S$1,965
Distance
9156 km

Perfect flights from Seattle to Shanghai

Your Journey from Seattle to Shanghai

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Shanghai caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Cathay Pacific, All Nippon Airways. Our selection of flights from Seattle - Tacoma Intl. to Hongqiao Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 3 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Shanghai Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Hongqiao Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$636 and roundtrip prices from S$1,966*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Shanghai with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Shanghai

Picture yourself stepping off the plane in Shanghai and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Shanghai Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Shanghai.
 

Beyond the Flight – Exploring Shanghai

With Expedia, your adventure extends beyond the flight. Explore Shanghai at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Shanghai with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Shanghai with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from SEA to Shanghai Hongqiao Intl. Airport?
The lowest price advertised for a round-trip flight between Seattle - Tacoma Intl. Airport (SEA) and Hongqiao Intl. Airport (SHA) is S$1,966. But you better act soon. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Shanghai Hongqiao Intl. Airport?
This can differ between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to SHA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Shanghai Hongqiao Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Shanghai Hongqiao Airport?
The distance is around 9,200 kilometres, so pack your carry-on bag with all the things you need to make the long journey comfortable. Wondering what to take on board your SeaTac to China flight? A neck pillow, earplugs and a sleep mask are among the essentials.
Which airlines fly direct from Sea-Tac Airport to Shanghai Hongqiao Intl. Airport?
Unfortunately, there are no airlines that fly directly between Sea-Tac Airport and Shanghai Hongqiao Airport. You'll have to book a flight with one or more stops.
Are SEA to Hongqiao Intl. Airport (SHA) flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Seattle - Tacoma Intl. Airport (SEA) to Shanghai Hongqiao Airport are available up to a year prior to departure on Expedia. And although you may nab a fantastic last-minute deal, it's not something you should count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid landing the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

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