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Cheap flights from Ko Samui to Colombo Bandaranaike Intl Airport from ฿7,364

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CMB
7 Sep — 14 Sep1
1 adult

Find flight deals from Ko Samui to Colombo

One-way flights from Ko Samui to Colombo
Search for one-way flight options from Ko Samui to Colombo. Find affordable one-way fares based on user searches. Data last updated 2 September 2025.

Fri 19/919:25USM - CMB
2 stops28h 00mMultiple Airlines
Deal found 31/8฿7,364
Sat 8/1119:45USM - CMB
1 stop29h 15mSingapore Airlines
Deal found 31/8฿19,346
Sat 8/1113:25USM - CMB
2 stops28h 25mEmirates
Deal found 31/8฿22,059

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 2 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

Fri 19/9

19:25-21:55

2 stops28h 00m

฿7,364

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 8/11

19:45-23:30

1 stop29h 15m

฿19,346

Ko SamuiColombo

USM - CMB

USMCMB

Ko Samui

Sat 8/11

13:25-16:20

2 stops28h 25m

฿22,059

Flights are sorted by cheapest return flights first.

Deals found on 31/8

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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