$779 Cheap Flights from St. Louis (STL) to Changchun (CGQ)

View $779 flight on Mon, Feb 9, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Changchun (CGQ-Longjia Intl.)

Cheap Flights from St. Louis to Changchun (STL-CGQ)

Prices were available within the past 7 days and start at $779 for one-way flights and $1,606 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$1,606 Roundtrip, found 1 day ago
$1,606
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $1,606 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$1,617 Roundtrip, found 1 day ago
$1,617
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $1,617 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$2,264 Roundtrip, found 1 day ago
$2,264
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $2,264 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$2,339 Roundtrip, found 1 day ago
$2,339
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $2,339 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$2,416 Roundtrip, found 1 day ago
$2,416
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $2,416 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$2,757 Roundtrip, found 1 day ago
$2,757
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $2,757 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$2,832 Roundtrip, found 1 day ago
$2,832
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $2,832 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Fri, Feb 20
STL
St. Louis
CGQ
Changchun
$2,909 Roundtrip, found 1 day ago
$2,909
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 9 from St. Louis to Changchun, returning Fri, Feb 20, priced at $2,909 found 1 day ago
Flights from St. Louis (STL) to Changchun (CGQ)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Longjia Intl.
Roundtrip price
$1,606
Distance
6293 mi

St. Louis to Changchun Flights

The cheapest times to fly from St. Louis to Changchun

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

 

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

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

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 Changchun in 2025. You can also book with separate airlines for your outbound and return journeys, from $779 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 Changchun 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 Changchun 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 Longjia Intl. Airport (CGQ) cost?
Grab a cheap one-way flight from $779 or cheap return flight from $1,606 from Lambert-St. Louis Intl. Airport (STL) to Longjia Intl. Airport (CGQ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Longjia Intl. Airport (CGQ)?
February is the most affordable month to fly from STL to CGQ. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Longjia Intl. Airport (CGQ)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from STL to CGQ. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Longjia Intl. Airport (CGQ)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Longjia Intl. Airport (CGQ) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to CGQ?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Longjia Intl. Airport (CGQ)?
To touch down at Longjia Intl. Airport (CGQ) on time, 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 Longjia Intl. Airport (CGQ) last-minute?
Holding off until just before your departure to book a flight from STL to CGQ often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for the best chance of landing a bargain.
Is it cheaper to book a STL to CGQ flight and hotel package?
Securing a STL to CGQ flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Longjia Intl. Airport (CGQ)?
In most cases, you can cancel or modify your STL to CGQ flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further information, head to our Customer Service portal.

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*Available to One Key members.