$125 Cheap Flights from Chengdu (CTU) to Seoul (GMP)

View $125 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Shuangliu Intl. Airport (CTU) to Gimpo Intl. Airport (GMP)

Cheap Flights from Chengdu to Seoul (CTU-GMP)

Prices were available within the past 7 days and start at $125 for one-way flights and $288 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Sun, Sep 7 - Sun, Sep 14
CTU
Chengdu
GMP
Seoul
$288 Roundtrip, found 4 days ago
$288
Roundtrip
found 4 days ago
Select China Southern Airlines flight, departing Sun, Sep 7 from Chengdu to Seoul, returning Sun, Sep 14, priced at $288 found 4 days ago
China Southern Airlines
Sun, Sep 14 - Sun, Sep 21
CTU
Chengdu
GMP
Seoul
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Sun, Sep 14 from Chengdu to Seoul, returning Sun, Sep 21, priced at $289 found 1 day ago
China Southern Airlines
Mon, Sep 15 - Mon, Sep 22
CTU
Chengdu
GMP
Seoul
$291 Roundtrip, found 2 days ago
$291
Roundtrip
found 2 days ago
Select China Southern Airlines flight, departing Mon, Sep 15 from Chengdu to Seoul, returning Mon, Sep 22, priced at $291 found 2 days ago
China Southern Airlines
Sun, Sep 7 - Sat, Sep 13
CTU
Chengdu
GMP
Seoul
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Sun, Sep 7 from Chengdu to Seoul, returning Sat, Sep 13, priced at $292 found 1 day ago
China Southern Airlines
Tue, Sep 2 - Fri, Sep 5
CTU
Chengdu
GMP
Seoul
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select China Southern Airlines flight, departing Tue, Sep 2 from Chengdu to Seoul, returning Fri, Sep 5, priced at $294 found 2 days ago
China Southern Airlines
Sun, Sep 7 - Sun, Sep 14
CTU
Chengdu
GMP
Seoul
$306 Roundtrip, found 4 days ago
$306
Roundtrip
found 4 days ago
Select China Southern Airlines flight, departing Sun, Sep 7 from Chengdu to Seoul, returning Sun, Sep 14, priced at $306 found 4 days ago
China Southern Airlines
Sun, Sep 7 - Sat, Sep 13
CTU
Chengdu
GMP
Seoul
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Sun, Sep 7 from Chengdu to Seoul, returning Sat, Sep 13, priced at $311 found 1 day ago
China Southern Airlines
Tue, Sep 2 - Fri, Sep 5
CTU
Chengdu
GMP
Seoul
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select China Southern Airlines flight, departing Tue, Sep 2 from Chengdu to Seoul, returning Fri, Sep 5, priced at $312 found 2 days ago
Air China
Tue, Aug 19 - Thu, Aug 21
CTU
Chengdu
GMP
Seoul
$313 Roundtrip, found 6 days ago
$313
Roundtrip
found 6 days ago
Select Air China flight, departing Tue, Aug 19 from Chengdu to Seoul, returning Thu, Aug 21, priced at $313 found 6 days ago
China Eastern Airlines
Tue, Aug 19 - Thu, Aug 21
CTU
Chengdu
GMP
Seoul
$421 Roundtrip, found 6 days ago
$421
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Tue, Aug 19 from Chengdu to Seoul, returning Thu, Aug 21, priced at $421 found 6 days ago
Flights from Chengdu (CTU) to Seoul (GMP)
Origin airport
Shuangliu Intl.
Destination airport
Gimpo Intl.
Airlines serving
Air China, China Eastern Airlines, China Southern Airlines
Roundtrip price
$287
Distance
1389 mi

Chengdu to Seoul Flights

The cheapest times to fly from Chengdu to Seoul

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

 

The best time to book a flight from Chengdu to Seoul

Sunday is one of the best days to book for cheap flights from Chengdu to Seoul: 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 Chengdu to Seoul

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 Chengdu to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 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 Chengdu to Seoul 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 Chengdu to Seoul 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 Shuangliu Intl. Airport (CTU) to Gimpo Intl. Airport (GMP) cost?
Discover the latest flight deals from CTU to GMP 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 CTU to GMP?
The cheapest flights from CTU to GMP 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 CTU to GMP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CTU to GMP. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Shuangliu Intl. Airport (CTU) to Gimpo Intl. Airport (GMP)?
There aren't any daily nonstop flights departing from Shuangliu Intl. Airport (CTU) to Gimpo Intl. Airport (GMP). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CTU to GMP?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Shuangliu Intl. Airport (CTU) to Gimpo Intl. Airport (GMP)?
To reach Gimpo Intl. Airport (GMP) on time, pick a flight that leaves Shuangliu Intl. Airport (CTU) 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 Shuangliu Intl. Airport (CTU) to Gimpo Intl. Airport (GMP) last-minute?
Last-minute bookings from CTU to GMP are generally more expensive. To secure the best prices, start looking for flights as soon as possible. That said, if your travel plans are flexible, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a CTU to GMP flight and hotel package?
Compared with arranging hotels and flights separately, booking a CTU to GMP flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Shuangliu Intl. Airport (CTU) to Gimpo Intl. Airport (GMP)?
In most cases, you can modify or cancel your CTU to GMP flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.