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Cheap flights from Ko Samui to Colombo Bandaranaike Intl Airport from ฿7,006

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CMB
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 17 September 2025.

Round-trip from

฿14,266

One-way from

฿7,006
4/11-10/11
  • 4/11-10/11
  • 3 total stops
  • 46h 05m total
  • Ko Samui to Colombo
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 11h 30m total
  • Ko Samui to Colombo
Search Deals

Find flight deals from Ko Samui to Colombo

Cheapest flights from Ko Samui to Colombo
Explore the most affordable flight options available from Ko Samui to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Tue 4/1107:55USM - CMB
1 stop15h 35mMultiple Airlines
Mon 10/1110:25CMB - USM
2 stops30h 30mMultiple Airlines
Deal found 16/9฿14,266
Mon 3/1106:45USM - CMB
1 stop10h 40mMultiple Airlines
Mon 10/1123:00CMB - USM
1 stop19h 55mMultiple Airlines
Deal found 16/9฿15,883
Wed 5/1111:10USM - CMB
2 stops12h 20mMultiple Airlines
Mon 10/1123:00CMB - USM
1 stop10h 05mMultiple Airlines
Deal found 16/9฿15,914
Tue 4/1107:55USM - CMB
1 stop15h 35mMultiple Airlines
Tue 11/1123:00CMB - USM
1 stop10h 05mMultiple Airlines
Deal found 16/9฿16,073
Wed 5/1111:10USM - CMB
2 stops12h 20mMultiple Airlines
Tue 11/1123:00CMB - USM
1 stop10h 05mMultiple Airlines
Deal found 16/9฿16,168
Mon 3/1112:00USM - CMB
2 stops11h 30mMultiple Airlines
Tue 11/1123:00CMB - USM
1 stop10h 05mMultiple Airlines
Deal found 16/9฿16,358
Wed 5/1111:10USM - CMB
2 stops12h 20mMultiple Airlines
Sun 9/1123:00CMB - USM
1 stop9h 55mMultiple Airlines
Deal found 16/9฿16,960

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 17 September 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

Tue 4/11

07:55-22:00

1 stop15h 35m

Colombo Bandaranaike Intl

Mon 10/11

10:25-18:25

2 stops30h 30m

฿14,266

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Mon 3/11

06:45-15:55

1 stop10h 40m

Colombo Bandaranaike Intl

Mon 10/11

23:00-20:25

1 stop19h 55m

฿15,883

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Tue 4/11

07:55-15:55

1 stop9h 30m

Colombo Bandaranaike Intl

Sun 9/11

23:00-20:30

1 stop20h 00m

฿15,883

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Tue 4/11

07:55-22:00

1 stop15h 35m

Colombo Bandaranaike Intl

Tue 11/11

23:00-10:35

1 stop10h 05m

฿16,073

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Wed 5/11

11:10-22:00

2 stops12h 20m

Colombo Bandaranaike Intl

Tue 11/11

23:00-10:35

1 stop10h 05m

฿16,168

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Mon 3/11

12:00-22:00

2 stops11h 30m

Colombo Bandaranaike Intl

Tue 11/11

23:00-10:35

1 stop10h 05m

฿16,358

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Wed 5/11

11:10-22:00

2 stops12h 20m

Colombo Bandaranaike Intl

Sun 9/11

23:00-10:25

1 stop9h 55m

฿16,960

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Mon 3/11

12:00-22:00

2 stops11h 30m

Colombo Bandaranaike Intl

Sun 9/11

23:00-10:25

1 stop9h 55m

฿17,151

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Mon 10/11

12:00-22:00

2 stops11h 30m

฿7,006

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Mon 9/2

07:00-09:25

2 stops27h 55m

฿7,291

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 15 results
1
2

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

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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.

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.

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