$591 Cheap Flights from St. Louis (STL) to Changsha (CSX)

View $591 flight on Thu, Jan 8, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Changsha (CSX-Huanghua Intl.)

Cheap Flights from St. Louis to Changsha (STL-CSX)

Prices were available within the past 7 days and start at $591 for one-way flights and $1,060 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jan 7 - Tue, Mar 10
STL
St. Louis
CSX
Changsha
$1,060 Roundtrip, found 17 hours ago
$1,060
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Jan 7 from St. Louis to Changsha, returning Tue, Mar 10, priced at $1,060 found 17 hours ago
American Airlines
Tue, Jan 6 - Tue, Mar 10
STL
St. Louis
CSX
Changsha
$1,066 Roundtrip, found 17 hours ago
$1,066
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Tue, Jan 6 from St. Louis to Changsha, returning Tue, Mar 10, priced at $1,066 found 17 hours ago
American Airlines
Wed, Jan 7 - Thu, Mar 12
STL
St. Louis
CSX
Changsha
$1,067 Roundtrip, found 17 hours ago
$1,067
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Jan 7 from St. Louis to Changsha, returning Thu, Mar 12, priced at $1,067 found 17 hours ago
Cathay Pacific
Thu, Jan 8 - Tue, Mar 10
STL
St. Louis
CSX
Changsha
$1,080 Roundtrip, found 17 hours ago
$1,080
Roundtrip
found 17 hours ago
Select Cathay Pacific flight, departing Thu, Jan 8 from St. Louis to Changsha, returning Tue, Mar 10, priced at $1,080 found 17 hours ago
American Airlines
Tue, Jan 6 - Tue, Mar 10
STL
St. Louis
CSX
Changsha
$1,086 Roundtrip, found 17 hours ago
$1,086
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Tue, Jan 6 from St. Louis to Changsha, returning Tue, Mar 10, priced at $1,086 found 17 hours ago
Cathay Pacific
Thu, Jan 8 - Thu, Mar 12
STL
St. Louis
CSX
Changsha
$1,086 Roundtrip, found 17 hours ago
$1,086
Roundtrip
found 17 hours ago
Select Cathay Pacific flight, departing Thu, Jan 8 from St. Louis to Changsha, returning Thu, Mar 12, priced at $1,086 found 17 hours ago
Cathay Pacific
Thu, Jan 8 - Mon, Mar 9
STL
St. Louis
CSX
Changsha
$1,099 Roundtrip, found 17 hours ago
$1,099
Roundtrip
found 17 hours ago
Select Cathay Pacific flight, departing Thu, Jan 8 from St. Louis to Changsha, returning Mon, Mar 9, priced at $1,099 found 17 hours ago
Alaska Airlines
Mon, Jan 5 - Tue, Mar 10
STL
St. Louis
CSX
Changsha
$1,225 Roundtrip, found 17 hours ago
$1,225
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Mon, Jan 5 from St. Louis to Changsha, returning Tue, Mar 10, priced at $1,225 found 17 hours ago
Korean Air
Wed, Jan 7 - Wed, Mar 11
STL
St. Louis
CSX
Changsha
$2,421 Roundtrip, found 17 hours ago
$2,421
Roundtrip
found 17 hours ago
Select Korean Air flight, departing Wed, Jan 7 from St. Louis to Changsha, returning Wed, Mar 11, priced at $2,421 found 17 hours ago
United
Fri, Apr 10 - Mon, Apr 27
STL
St. Louis
CSX
Changsha
$19,139 Roundtrip, found 19 hours ago
$19,139
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Apr 10 from St. Louis to Changsha, returning Mon, Apr 27, priced at $19,139 found 19 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX) cost?
Lock in a cheap one-way flight from $591 or cheap return flight from $1,060 from Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX)?
January is the least expensive month to fly from STL to CSX. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX)?
To find the cheapest airline flying from STL to CSX, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX)?
You'll have to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX). There are no daily direct flights on this route. However, just 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 CSX?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a range of factors, including the season 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 Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX)?
To land at Huanghua Intl. Airport (CSX) on schedule, pick a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Huanghua Intl. Airport (CSX) last-minute?
Booking your ticket from STL to CSX shortly before your trip is generally more expensive. But if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a STL to CSX flight and hotel package?
You can save money by booking a STL to CSX 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 convenient place. After choosing your ideal flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Huanghua Intl. Airport (CSX)?
It's generally possible to cancel or reschedule your STL to CSX flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Huanghua Intl.
Airlines serving
Cathay Pacific, Korean Air, United
Roundtrip price
$1,060
Distance
7567 mi

Book with confidence

Book with confidence

St. Louis to Changsha Flights

The cheapest times to fly from St. Louis to Changsha

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

 

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

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

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 Changsha in 2025. You can also book with separate airlines for your outbound and return journeys, from $591 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 Changsha 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 Changsha 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 Changsha Flights

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Explore a world of travel with Expedia

*Available to One Key members.