$1,070 Cheap Flights from St. Louis (STL) to Chengdu (CTU)

View $1,070 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Shuangliu Intl. Airport (CTU)

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Cheap Flights from St. Louis to Chengdu (STL-CTU)

Prices were available within the past 7 days and start at $1,070 for one-way flights and $1,420 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jan 26 - Fri, Mar 20
STL
St. Louis
CTU
Chengdu
$1,420 Roundtrip, found 3 days ago
$1,420
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 26 from St. Louis to Chengdu, returning Fri, Mar 20, priced at $1,420 found 3 days ago
American Airlines
Mon, Jan 26 - Fri, Mar 20
STL
St. Louis
CTU
Chengdu
$1,774 Roundtrip, found 3 days ago
$1,774
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 26 from St. Louis to Chengdu, returning Fri, Mar 20, priced at $1,774 found 3 days ago
American Airlines
Mon, Jan 26 - Fri, Mar 20
STL
St. Louis
CTU
Chengdu
$1,828 Roundtrip, found 3 days ago
$1,828
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 26 from St. Louis to Chengdu, returning Fri, Mar 20, priced at $1,828 found 3 days ago
Lufthansa
Wed, Dec 10 - Mon, Dec 29
STL
St. Louis
CTU
Chengdu
$1,978 Roundtrip, found 1 day ago
$1,978
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Dec 10 from St. Louis to Chengdu, returning Mon, Dec 29, priced at $1,978 found 1 day ago
American Airlines
Mon, Jan 26 - Fri, Mar 20
STL
St. Louis
CTU
Chengdu
$2,183 Roundtrip, found 3 days ago
$2,183
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 26 from St. Louis to Chengdu, returning Fri, Mar 20, priced at $2,183 found 3 days ago
Lufthansa
Fri, Sep 4 - Sat, Sep 12
STL
St. Louis
CTU
Chengdu
$2,213 Roundtrip, found 19 hours ago
$2,213
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Fri, Sep 4 from St. Louis to Chengdu, returning Sat, Sep 12, priced at $2,213 found 19 hours ago
Lufthansa
Fri, Sep 4 - Sat, Sep 12
STL
St. Louis
CTU
Chengdu
$2,215 Roundtrip, found 19 hours ago
$2,215
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Fri, Sep 4 from St. Louis to Chengdu, returning Sat, Sep 12, priced at $2,215 found 19 hours ago
Lufthansa
Fri, Sep 4 - Sat, Sep 12
STL
St. Louis
CTU
Chengdu
$2,233 Roundtrip, found 19 hours ago
$2,233
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Fri, Sep 4 from St. Louis to Chengdu, returning Sat, Sep 12, priced at $2,233 found 19 hours ago
Lufthansa
Fri, Sep 4 - Sat, Sep 12
STL
St. Louis
CTU
Chengdu
$2,236 Roundtrip, found 19 hours ago
$2,236
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Fri, Sep 4 from St. Louis to Chengdu, returning Sat, Sep 12, priced at $2,236 found 19 hours ago
United
Mon, Jan 26 - Fri, Mar 20
STL
St. Louis
CTU
Chengdu
$5,010 Roundtrip, found 3 days ago
$5,010
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 26 from St. Louis to Chengdu, returning Fri, Mar 20, priced at $5,010 found 3 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU) cost?
Get a cheap one-way flight from $1,070 or cheap return flight from $1,420 from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU)?
January is the least expensive month to fly from STL to CTU. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from STL to CTU. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU)?
You'll have to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from STL to CTU?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU)?
To land at Shuangliu Intl. Airport (CTU) on time, select a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU) last-minute?
Booking your plane ticket from STL to CTU shortly before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a STL to CTU flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to CTU flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Just pick your flights and select from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Shuangliu Intl. Airport (CTU)?
You can usually cancel or reschedule your STL to CTU flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Shuangliu Intl.
Airlines serving
Lufthansa
Roundtrip price
$1,419
Distance
7558 mi

Book with confidence

St. Louis to Chengdu Flights

The cheapest times to fly from St. Louis 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 St. Louis to Chengdu are during the month of January. You can find some of the cheapest flights from St. Louis to Chengdu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Chengdu

Sunday is one of the best days to book for cheap flights from St. Louis 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 St. Louis 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 St. Louis to Chengdu in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,070 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 St. Louis 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 St. Louis 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.

 

St. Louis to Chengdu Flights

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*Available to One Key members.