Find flights
When to book
FAQs

Cheap flights from Ko Samui to Colombo Bandaranaike Intl Airport from ฿9,427

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CMB
18 Jan — 25 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Colombo

Enter your travel dates to find the best prices.

Best flights from Ko Samui to Colombo
Discover carefully curated flight deals from Ko Samui to Colombo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 December 2025.

Wed 21/108:55USM - CMB
2 stops26h 00mMultiple Airlines
Tue 27/122:50CMB - USM
2 stops31h 40mMultiple Airlines
Deal found 17/12฿17,754
Sat 31/107:55USM - CMB
1 stop9h 30mMultiple Airlines
Sat 7/207:30CMB - USM
1 stop23h 05mMultiple Airlines
Deal found 17/12฿18,414
Sat 28/315:05USM - CMB
2 stops27h 00mEmirates
Wed 1/422:05CMB - USM
2 stops17h 20mEmirates
Deal found 16/12฿66,398

Find flight deals from Ko Samui to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2025.

Round-trip from

฿66,398

One-way from

฿9,427
Emirates
  • Emirates
  • 28/3-1/4
  • 4 total stops
  • 44h 20m total
  • Ko Samui to Colombo
Search Deals
21/2
  • 21/2
  • 2 total stops
  • 12h 10m total
  • Ko Samui to Colombo
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to Colombo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 19 December 2025.
Use the filters below to find and compare flights from Ko Samui to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Ko Samui

Fly to

Colombo

Route

Depart

Return

Price

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Wed 21/1

08:55-09:25

2 stops26h 00m

Colombo Bandaranaike Intl

Tue 27/1

22:50-08:00

2 stops31h 40m

฿17,754

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 31/1

07:55-15:55

1 stop9h 30m

Colombo Bandaranaike Intl

Sat 7/2

07:30-08:05

1 stop23h 05m

฿18,414

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 28/3

15:05-16:35

2 stops27h 00m

Colombo Bandaranaike Intl

Wed 1/4

22:05-16:55

2 stops17h 20m

฿66,398

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 21/2

15:05-01:45

2 stops12h 10m

฿9,427

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Fri 20/2

09:00-22:00

1 stop14h 30m

฿9,741

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sun 15/2

11:00-22:00

1 stop12h 30m

฿10,150

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 24/1

19:45-21:10

1 stop26h 55m

฿16,183

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Best time to book a flight from Ko Samui to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Ko Samui with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ko Samui to Colombo Bandaranaike Intl?

    Ko Samui (USM) is the airport you will fly out of if you book a flight from Ko Samui to Colombo Bandaranaike Intl. You should not have trouble finding flights to Colombo Bandaranaike Intl from Ko Samui; the airport handles an average of 0 outbound flights to Colombo Bandaranaike Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Ko Samui airport to Colombo Bandaranaike Intl. It is only a 3.3 km journey to Ko Samui (USM) from Ko Samui’s city centre.

  • Can I find deals for flights from Ko Samui to Colombo that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Colombo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Colombo.

  • Can I find deals for business class flights from Ko Samui to Colombo?

    Yes. Cheapflights offers flight deals from Ko Samui to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to Colombo

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Colombo flights
Chiang Mai to Colombo flights
Krabi to Colombo flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ko Samui to Colombo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to Colombo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Colombo?

Cheapflights helps you find that perfect flight to Colombo from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ko Samui to Colombo with no change fees?

Yes! Cheapflights helps users easily find flights from Ko Samui to Colombo with no change fees.

Can Cheapflights notify me if prices for flights from Ko Samui to Colombo become cheaper?

Of course! You can now track prices for flights from Ko Samui to Colombo and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.