$317 Cheap Flights from Chengdu (CTU) to Samui Intl. Airport (USM)

View $317 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Shuangliu Intl. Airport (CTU) to Samui Intl. Airport (USM)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Chengdu to Samui Intl. Airport (CTU-USM)

Prices were available within the past 7 days and start at $317 for one-way flights and $992 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$992 Roundtrip, found 1 day ago
$992
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $992 found 1 day ago
China Eastern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$1,037 Roundtrip, found 1 day ago
$1,037
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $1,037 found 1 day ago
China Eastern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$1,335 Roundtrip, found 1 day ago
$1,335
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $1,335 found 1 day ago
China Eastern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$1,881 Roundtrip, found 1 day ago
$1,881
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $1,881 found 1 day ago
China Eastern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$2,258 Roundtrip, found 1 day ago
$2,258
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $2,258 found 1 day ago
China Southern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$2,338 Roundtrip, found 1 day ago
$2,338
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $2,338 found 1 day ago
China Southern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$2,427 Roundtrip, found 1 day ago
$2,427
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $2,427 found 1 day ago
China Southern Airlines
Mon, Sep 29 - Mon, Oct 6
CTU
Chengdu
USM
Koh Samui
$2,431 Roundtrip, found 1 day ago
$2,431
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Mon, Sep 29 from Chengdu to Koh Samui, returning Mon, Oct 6, priced at $2,431 found 1 day ago
Flights from Chengdu (CTU) to Samui Intl. Airport (USM)
Origin airport
Shuangliu Intl.
Destination airport
Samui Intl. Airport
Roundtrip price
$992
Distance
1474 mi

Chengdu to Samui Intl. Airport Flights

The cheapest times to fly from Chengdu to Samui Intl. Airport

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

 

The best time to book a flight from Chengdu to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Chengdu to Samui Intl. Airport: 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 Samui Intl. Airport

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 Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $317 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 Samui Intl. Airport 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 Samui Intl. Airport 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 Ko Samui Airport (USM) cost?
Snag a cheap one-way flight from $317 or cheap return flight from $992 from Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM) 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 Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM)?
The cheapest month to fly from CTU to USM is September, when demand is low. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CTU to USM flight.
How many flights per day from Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM)?
There aren't any daily direct flights departing from Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from CTU to USM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the time of year 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 Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM)?
Opt for a flight from Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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 Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM) last-minute?
Waiting until just before your trip to book a flight from CTU to USM generally means paying more. While you might find some last-minute deals, there's no guarantee. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a CTU to USM flight and hotel package?
Compared with arranging flights and hotels separately, booking a CTU to USM flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Shuangliu Intl. Airport (CTU) to Ko Samui Airport (USM)?
In most cases, you're able to cancel or reschedule your CTU to USM flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.