$726 Cheap Flights from St. Louis (STL) to Shenzhen (SZX)

View $726 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Shenzhen Intl. Airport (SZX)

Cheap Flights from St. Louis to Shenzhen (STL-SZX)

Prices were available within the past 7 days and start at $726 for one-way flights and $1,341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Sep 29 - Mon, Oct 6
STL
St. Louis
SZX
Shenzhen
$1,341 Roundtrip, found 21 hours ago
$1,341
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Sep 29 from St. Louis to Shenzhen, returning Mon, Oct 6, priced at $1,341 found 21 hours ago
Alaska Airlines
Mon, Sep 29 - Mon, Oct 6
STL
St. Louis
SZX
Shenzhen
$1,353 Roundtrip, found 21 hours ago
$1,353
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Sep 29 from St. Louis to Shenzhen, returning Mon, Oct 6, priced at $1,353 found 21 hours ago
Alaska Airlines
Mon, Sep 8 - Sun, Sep 21
STL
St. Louis
SZX
Shenzhen
$1,394 Roundtrip, found 4 days ago
$1,394
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Sep 8 from St. Louis to Shenzhen, returning Sun, Sep 21, priced at $1,394 found 4 days ago
United
Mon, Sep 8 - Sun, Sep 21
STL
St. Louis
SZX
Shenzhen
$1,400 Roundtrip, found 4 days ago
$1,400
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 8 from St. Louis to Shenzhen, returning Sun, Sep 21, priced at $1,400 found 4 days ago
Alaska Airlines
Mon, Sep 29 - Mon, Oct 6
STL
St. Louis
SZX
Shenzhen
$1,401 Roundtrip, found 21 hours ago
$1,401
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Sep 29 from St. Louis to Shenzhen, returning Mon, Oct 6, priced at $1,401 found 21 hours ago
United
Mon, Sep 8 - Sun, Sep 21
STL
St. Louis
SZX
Shenzhen
$1,416 Roundtrip, found 4 days ago
$1,416
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 8 from St. Louis to Shenzhen, returning Sun, Sep 21, priced at $1,416 found 4 days ago
Alaska Airlines
Mon, Sep 29 - Mon, Oct 6
STL
St. Louis
SZX
Shenzhen
$1,433 Roundtrip, found 21 hours ago
$1,433
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Sep 29 from St. Louis to Shenzhen, returning Mon, Oct 6, priced at $1,433 found 21 hours ago
American Airlines
Tue, Jan 6 - Sun, Feb 22
STL
St. Louis
SZX
Shenzhen
$1,499 Roundtrip, found 15 hours ago
$1,499
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Jan 6 from St. Louis to Shenzhen, returning Sun, Feb 22, priced at $1,499 found 15 hours ago
All Nippon Airways
Mon, Sep 29 - Mon, Oct 6
STL
St. Louis
SZX
Shenzhen
$1,640 Roundtrip, found 21 hours ago
$1,640
Roundtrip
found 21 hours ago
Select All Nippon Airways flight, departing Mon, Sep 29 from St. Louis to Shenzhen, returning Mon, Oct 6, priced at $1,640 found 21 hours ago
Lufthansa
Sun, Oct 26 - Wed, Nov 5
STL
St. Louis
SZX
Shenzhen
$1,679 Roundtrip, found 9 hours ago
$1,679
Roundtrip
found 9 hours ago
Select Lufthansa flight, departing Sun, Oct 26 from St. Louis to Shenzhen, returning Wed, Nov 5, priced at $1,679 found 9 hours ago

Alternative airports near Shenzhen

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

Select flight to Hong Kong Intl. HKG. Cheapest option available. Average driving time to city center is 41 minutes. Flights from $934
HKG
Hong Kong Intl.
Cheapest
Average driving time to city center41 min
Flights from $934
Flights from St. Louis (STL) to Shenzhen (SZX)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Shenzhen Intl.
Airlines serving
All Nippon Airways, Delta, Korean Air, Lufthansa
Roundtrip price
$1,341
Distance
7915 mi

St. Louis to Shenzhen Flights

The cheapest times to fly from St. Louis to Shenzhen

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 Shenzhen are during the month of September. You can find some of the cheapest flights from St. Louis to Shenzhen with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Shenzhen: 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 Shenzhen

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 Shenzhen in 2025. You can also book with separate airlines for your outbound and return journeys, from $726 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 Shenzhen 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 Shenzhen 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 Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX) cost?
Snag a cheap one-way flight from $726 or cheap return flight from $1,341 from Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX) 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 Shenzhen Intl. Airport (SZX)?
Planning your trip for September can help you save, as it's the cheapest month for flights between STL and SZX. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX)?
To find the cheapest airline flying from STL to SZX, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX)?
You'll have to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to SZX?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, carrier 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 Shenzhen Intl. Airport (SZX)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour 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 Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX) last-minute?
Holding off until just before your departure to book your flight from STL to SZX generally means paying more. While you may find some last-minute offers, there's no guarantee. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a STL to SZX flight and hotel package?
You'll generally save money by booking a STL to SZX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Shenzhen Intl. Airport (SZX)?
In most instances, you can cancel or modify your STL to SZX flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.