$499 Cheap Flights from Seattle (SEA) to Chengdu (CTU)

View $499 flight on Wed, Oct 29, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Shuangliu Intl. Airport (CTU)

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Cheap Flights from Seattle to Chengdu (SEA-CTU)

Prices were available within the past 7 days and start at $499 for one-way flights and $933 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Wed, Nov 5 - Wed, Nov 19
SEA
Seattle
CTU
Chengdu
$933 Roundtrip, found 4 hours ago
$933
Roundtrip
found 4 hours ago
Select Air China flight, departing Wed, Nov 5 from Seattle to Chengdu, returning Wed, Nov 19, priced at $933 found 4 hours ago
Alaska Airlines
Tue, Aug 19 - Tue, Sep 9
SEA
Seattle
CTU
Chengdu
$944 Roundtrip, found 11 hours ago
$944
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Tue, Aug 19 from Seattle to Chengdu, returning Tue, Sep 9, priced at $944 found 11 hours ago
Alaska Airlines
Tue, Aug 19 - Tue, Sep 9
SEA
Seattle
CTU
Chengdu
$961 Roundtrip, found 11 hours ago
$961
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Tue, Aug 19 from Seattle to Chengdu, returning Tue, Sep 9, priced at $961 found 11 hours ago
Alaska Airlines
Tue, Aug 19 - Tue, Sep 9
SEA
Seattle
CTU
Chengdu
$972 Roundtrip, found 11 hours ago
$972
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Tue, Aug 19 from Seattle to Chengdu, returning Tue, Sep 9, priced at $972 found 11 hours ago
Air China
Thu, Nov 6 - Wed, Nov 19
SEA
Seattle
CTU
Chengdu
$973 Roundtrip, found 4 hours ago
$973
Roundtrip
found 4 hours ago
Select Air China flight, departing Thu, Nov 6 from Seattle to Chengdu, returning Wed, Nov 19, priced at $973 found 4 hours ago
Alaska Airlines
Mon, Oct 13 - Mon, Oct 27
SEA
Seattle
CTU
Chengdu
$974 Roundtrip, found 6 days ago
$974
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Oct 13 from Seattle to Chengdu, returning Mon, Oct 27, priced at $974 found 6 days ago
Alaska Airlines
Tue, Aug 19 - Tue, Sep 9
SEA
Seattle
CTU
Chengdu
$982 Roundtrip, found 11 hours ago
$982
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Tue, Aug 19 from Seattle to Chengdu, returning Tue, Sep 9, priced at $982 found 11 hours ago
China Southern Airlines
Fri, Oct 24 - Mon, Nov 3
SEA
Seattle
CTU
Chengdu
$997 Roundtrip, found 6 hours ago
$997
Roundtrip
found 6 hours ago
Select China Southern Airlines flight, departing Fri, Oct 24 from Seattle to Chengdu, returning Mon, Nov 3, priced at $997 found 6 hours ago
Delta
Mon, Aug 4 - Tue, Aug 26
SEA
Seattle
CTU
Chengdu
$1,005 Roundtrip, found 2 days ago
$1,005
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug 4 from Seattle to Chengdu, returning Tue, Aug 26, priced at $1,005 found 2 days ago
China Eastern Airlines
Wed, Oct 29 - Sun, Nov 16
SEA
Seattle
CTU
Chengdu
$1,037 Roundtrip, found 2 days ago
$1,037
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Wed, Oct 29 from Seattle to Chengdu, returning Sun, Nov 16, priced at $1,037 found 2 days ago

Find the cheapest month to fly from Seattle (SEA) to Chengdu (CTU)

April is typically the cheapest month to fly

From $961 - $2,134 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Chengdu (CTU)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Shuangliu Intl.
Airlines serving
Air Canada, Air China, China Eastern Airlines, Lufthansa, United
Roundtrip price
$933
Distance
6328 mi

Seattle to Chengdu Flights

The cheapest times to fly from Seattle to Chengdu

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 Seattle to Chengdu are during the month of November. You can find some of the cheapest flights from Seattle to Chengdu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Chengdu

Sunday is one of the best days to book for cheap flights from Seattle to Chengdu: 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 Seattle to Chengdu

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 Seattle to Chengdu in 2025. You can also book with separate airlines for your outbound and return journeys, from $499 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 Seattle to Chengdu 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 Seattle to Chengdu 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Shuangliu Intl. Airport (CTU) cost?
Discover the latest flight deals from SEA to CTU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to CTU?
The cheapest flights from SEA to CTU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to CTU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to CTU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Shuangliu Intl. Airport (CTU)?
There are no daily nonstop flights available from Seattle - Tacoma Intl. Airport (SEA) to Shuangliu Intl. Airport (CTU). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SEA to CTU?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Shuangliu Intl. Airport (CTU)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to Shuangliu Intl. Airport (CTU) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Seattle - Tacoma Intl. Airport (SEA) to Shuangliu Intl. Airport (CTU) last-minute?
Last-minute bookings from SEA to CTU are usually more expensive. For the best prices, start looking for flights as early as possible. That said, if you're flexible with your travel dates, you may score a cheap ticket right before your trip.
Is it cheaper to book a SEA to CTU flight and hotel package?
Opting for a SEA to CTU flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of hotels and then add activities, flights 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 - Tacoma Intl. Airport (SEA) to Shuangliu Intl. Airport (CTU)?
In most cases, you can reschedule or cancel your SEA to CTU flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.