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Cheap flights from Ko Samui to Colombo Bandaranaike Intl Airport from ฿8,656

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 27/12. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CMB
6 Jan — 13 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 7 December 2025.

Mon 19/108:55USM - CMB
1 stop27h 35mMultiple Airlines
Mon 26/123:00CMB - USM
1 stop20h 00mMultiple Airlines
Deal found 5/12฿17,249
Sun 3/508:45USM - CMB
1 stop27h 30mSingapore Airlines
Thu 7/511:45CMB - USM
1 stop18h 35mSingapore Airlines
Deal found 4/12฿36,598
Sun 3/508:45USM - CMB
2 stops25h 20mEmirates
Thu 7/522:05CMB - USM
2 stops17h 20mEmirates
Deal found 4/12฿48,532

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 7 December 2025.

Round-trip from

฿17,249

One-way from

฿8,656
19/1-26/1
  • 19/1-26/1
  • 2 total stops
  • 47h 35m total
  • Ko Samui to Colombo
Search Deals
27/12
  • 27/12
  • 2 total stops
  • 27h 35m 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 7 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

Mon 19/1

08:55-11:00

1 stop27h 35m

Colombo Bandaranaike Intl

Mon 26/1

23:00-20:30

1 stop20h 00m

฿17,249

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sun 3/5

08:45-10:45

1 stop27h 30m

Colombo Bandaranaike Intl

Thu 7/5

11:45-07:50

1 stop18h 35m

฿36,598

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sun 3/5

08:45-08:35

2 stops25h 20m

Colombo Bandaranaike Intl

Thu 7/5

22:05-16:55

2 stops17h 20m

฿48,532

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 27/12

19:45-21:50

2 stops27h 35m

฿8,656

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Fri 19/12

06:45-22:00

1 stop16h 45m

฿10,025

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 27/12

17:40-18:25

3 stops26h 15m

฿51,268

Flights are sorted by cheapest return flights first.

Deals found on 7/12

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.

  • How long is the flight from Ko Samui to Colombo Bandaranaike Intl Airport?

    A quick flight from Ko Samui to Colombo Bandaranaike Intl Airport can take about 27h 30m. Singapore Airlines provides one of the quickest options available for as low as ฿36,598. Airlines will cover a distance of 2234 km.

  • 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

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Fly with Cheapflights

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

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

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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.

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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.

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