$1,295 Cheap Flights from St. Louis (STL) to Changchun (CGQ)

View $1,295 flight on Mon, Jul 21, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $1,295 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from St. Louis (STL) to Changchun (CGQ)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Longjia Intl.
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 . 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 $1,295 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?
Discover the latest flight deals from STL to CGQ 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 STL to CGQ?
The cheapest flights from STL to CGQ 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 STL to CGQ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to CGQ. Sort your results by “Price (lowest to highest)” to snap up a great 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.