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Cheap flights from Ko Samui to Colombo Bandaranaike Intl Airport from ฿8,309

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CMB
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Colombo

Enter your travel dates to find the best prices.

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 18 April 2026.

Wed 28/1016:25
USM
-
CMB
2 stops31h 00m
Emirates
Sun 1/1111:15
CMB
-
USM
3 stops32h 20m
Emirates
Deal found 13/4฿39,309
Wed 28/1019:45
USM
-
CMB
1 stop29h 15m
Singapore Airlines
Sat 31/1000:45
CMB
-
USM
1 stop14h 55m
Singapore Airlines
Deal found 13/4฿40,268
Thu 19/1112:00
USM
-
CMB
1 stop13h 00m
Singapore Airlines
Fri 20/1100:45
CMB
-
USM
1 stop16h 35m
Singapore Airlines
Deal found 15/4฿40,460
Thu 19/1108:15
USM
-
CMB
2 stops33h 10m
Emirates
Fri 20/1101:45
CMB
-
USM
2 stops28h 55m
Emirates
Deal found 15/4฿50,623

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 18 April 2026.
Use the filters below to find and compare flights from Ko Samui to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 23/5

19:00-15:00

2 stops21h 30m

฿9,012
Fastest single journey

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Thu 28/5

07:50-15:45

1 stop9h 25m

฿9,044

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Thu 6/8

12:30-21:55

2 stops10h 55m

฿9,588

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Tue 19/5

06:00-15:45

1 stop11h 15m

฿9,971

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sun 26/7

12:30-21:55

2 stops10h 55m

฿10,035

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Fri 22/5

16:25-18:30

3 stops27h 35m

฿21,860

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Mon 18/5

16:25-18:30

3 stops27h 35m

฿23,713

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 23/5

16:25-18:30

3 stops27h 35m

฿23,713

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Tue 19/5

16:25-18:30

3 stops27h 35m

฿23,713

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Thu 6/8

16:25-18:30

3 stops27h 35m

฿24,257

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 11 resultsSorted by cheapest first
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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.

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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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