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C$350 Cheap Flights from Colombo (CMBA) to Samui International (USM)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Colombo to Samui International flight deals

      Find the cheapest month or even day of the year to fly to Samui International

      Book the best Samui International fare with no extra fees

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      Flight deals from Colombo to Samui International

      Looking for a cheap last-minute deal or the best return flight from Colombo to Samui International Airport? If you want to travel next month, return fares start from C$716. Find the lowest prices on one-way and return tickets right here.
      Koh Samui.C$350 per passenger.Departing Sun., Oct. 4.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Colombo Bandaranayake on Sun., Oct. 4, arriving in Samui International.Price includes taxes and charges.From C$350, select.
      Koh Samui.C$361 per passenger.Departing Mon., Nov. 16.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Mon., Nov. 16, arriving in Samui International.Price includes taxes and charges.From C$361, select.
      Koh Samui.C$374 per passenger.Departing Mon., Mar. 1.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Mon., Mar. 1, arriving in Samui International.Price includes taxes and charges.From C$374, select.
      Koh Samui.C$383 per passenger.Departing Fri., Jun. 11.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Fri., Jun. 11, arriving in Samui International.Price includes taxes and charges.From C$383, select.
      Koh Samui.C$385 per passenger.Departing Fri., Sep. 18.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Colombo Bandaranayake on Fri., Sep. 18, arriving in Samui International.Price includes taxes and charges.From C$385, select.
      Koh Samui.C$385 per passenger.Departing Thu., May 6.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Thu., May 6, arriving in Samui International.Price includes taxes and charges.From C$385, select.
      Koh Samui.C$390 per passenger.Departing Tue., Dec. 1.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Tue., Dec. 1, arriving in Samui International.Price includes taxes and charges.From C$390, select.
      Koh Samui.C$393 per passenger.Departing Sun., Feb. 28.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Sun., Feb. 28, arriving in Samui International.Price includes taxes and charges.From C$393, select.
      Koh Samui.C$395 per passenger.Departing Wed., Jan. 13.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Wed., Jan. 13, arriving in Samui International.Price includes taxes and charges.From C$395, select.
      Koh Samui.C$612 per passenger.Departing Wed., Jul. 14.One-way flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Colombo Bandaranayake on Wed., Jul. 14, arriving in Samui International.Price includes taxes and charges.From C$612, select.
      Koh Samui.C$614 per passenger.Departing Fri., Aug. 13.One-way flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Colombo Bandaranayake on Fri., Aug. 13, arriving in Samui International.Price includes taxes and charges.From C$614, select.

      Find the cheapest month to fly from Colombo to Samui International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo to Samui International flights are currently cheapest in October.
      Sep.
      from C$385
      Oct.
      from C$350
      Nov.
      from C$361
      Dec.
      from C$390
      Jan.
      from C$395
      Feb.
      from C$393
      Mar.
      from C$374
      Apr.
      Find prices
      May
      from C$385
      Jun.
      from C$383
      Jul.
      from C$612
      Aug.
      from C$614

      Colombo to Samui International: Alternative routes

      Compare routes from Colombo to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

      Samui International

      5km from central Koh Samui
      ClosestCheapest
      from C$350
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      Colombo to Koh Samui: Flight information

      The things to know before you go.
      Cheapest flight foundC$350
      Cheapest month to flyOctober

      Finding cheap flights from Colombo to Samui International: Frequently asked questions

      The best price we found for a return flight from Colombo to Samui International is C$715. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Colombo to Samui International. But we found flights with one stop from C$716.
      As of September 2026, there are no flights flying from Colombo to Samui International.
      The cheapest month to fly from Colombo to Samui International is usually October.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to Samui International Airport on Monday, October 5, 2026.
      No airlines currently offer direct flights between Colombo and Samui International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.

      The cheapest airline that flies to Samui International is AirAsia .

      Flying from Colombo to Koh Samui Airport (USM): what you need to know

      • Bandaranaike International Airport (CMB) is Colombo's main airport. Explore your options for reserving a flight from Colombo to Koh Samui Airport (USM) jetting off from here.

      • Chaweng Beach is 1 hour 30 minutes ahead of Colombo. Koh Samui Airport is located in Chaweng Beach, which operates on the UTC+7 timezone.

      • Your flight from Colombo to USM won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

      • Popular months like August or other peak seasons mean bigger queues and potential delays. Stay on schedule by getting to the airport even earlier. Plan for at least four hours ahead of international flights and two hours before domestic departures.

      Airports in Colombo

      Bandaranaike International Airport (CMB)

      • We make it a breeze to plan a flight from Colombo to USM with a stopover. To see the options leaving from Bandaranaike International Airport (CMB), uncheck 'Direct flights only.' Then, select a flight offering a stop long enough to see the sights of your chosen city. Popular stopovers between CMB and USM include:

        • Changi International Airport (SIN)

        • Suvarnabhumi Airport (BKK)

        • Hong Kong International Airport (HKG)

      • From the centre of Colombo, CMB is approximately 32 kilometres away. Check the official airport website or use navigation apps to find the best way to reach the terminal.

      • Want a leisurely start to your trip? Stay near Bandaranaike International Airport. Whether you're taking an early flight from Colombo to Koh Samui Airport or just don't like being rushed, these hotels are ideal:

      About Koh Samui Airport (USM)

      • If you have a late flight from Colombo to Koh Samui Airport, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and sleeping soon after at one of these options near USM:

      Getting from Koh Samui Airport (USM) to central Chaweng Beach

      • The centre of Chaweng Beach is around 3 kilometres from Koh Samui Airport. Journey times by car rental or cab will vary depending on traffic conditions and time of day, so do a little research ahead of time.

      How to find the cheapest flights from Colombo to Koh Samui Airport (USM)

      • The lowest price we've found for a one-way ticket from Colombo to Koh Samui Airport is C$350. The cheapest price for a return flight is C$716. Remember fares may change due to availability at the time of booking.

      • To score flight tickets from Colombo to USM, book early. Airlines usually offer the most competitive fares when flights are first released.

      • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll give you the lowest price in each month when searching for your ticket from Colombo to Koh Samui Airport.

      • Snapping up a cheap ticket from Colombo to USM is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when the price has fallen.

      • Use the filters to tailor your flights from Colombo to Koh Samui Airport. Simply enter your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest' to see the best deals.

      The best time to fly from Colombo to Koh Samui Airport (USM)

      • August is the busiest month to catch a flight from Colombo to Koh Samui Airport while February is the quietest. To work out the ideal time to go to Chaweng Beach, consider the pace you prefer to travel at.

      More about Chaweng Beach

      Plan the rest of your trip from Colombo to Koh Samui

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.