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Cheap flights from Ko Samui to Colombo Bandaranaike Intl Airport from ฿14,818

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CMB
10 Jul — 17 Jul1
1 adult

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 5 July 2025.

Round-trip from

฿14,818
2/10-27/10
  • 2/10-27/10
  • 3 total stops
  • 30h 10m total
  • Ko Samui to Colombo

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 5 July 2025.

Thu 2/1006:55USM - CMB
1 stop16h 50mMultiple Airlines
Mon 27/1023:00CMB - USM
2 stops13h 20mMultiple Airlines
Deal found 3/7฿14,818
Sun 5/1007:00USM - CMB
1 stop18h 25mThai Airways
Wed 8/1000:55CMB - USM
1 stop14h 40mThai Airways
Deal found 2/7฿21,062
Sun 5/1007:00USM - CMB
2 stops18h 00mCathay Pacific
Wed 8/1000:50CMB - USM
1 stop16h 15mCathay Pacific
Deal found 2/7฿33,517

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 5 July 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

Thu 2/10

06:55-22:15

1 stop16h 50m

Colombo Bandaranaike Intl

Mon 27/10

23:00-13:50

2 stops13h 20m

฿14,818

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sun 5/10

07:00-23:55

1 stop18h 25m

Colombo Bandaranaike Intl

Wed 8/10

00:55-17:05

1 stop14h 40m

฿21,062

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sun 5/10

07:00-23:30

2 stops18h 00m

Colombo Bandaranaike Intl

Wed 8/10

00:50-18:35

1 stop16h 15m

฿33,517

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 8/11

19:25-23:30

1 stop29h 35m

฿19,250

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 8/11

16:25-16:20

2 stops25h 25m

฿21,417

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 8/11

10:00-23:30

2 stops15h 00m

฿22,129

Flights are sorted by cheapest return flights first.

Deals found on 3/7

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.

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colombo. Reviews last updated 5 July 2025.
Get a feel of what it's like to fly with Emirates, Singapore Airlines, andThai Airways from Ko Samui to Colombo Bandaranaike Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

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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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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