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On this page, you can find and purchase flight tickets for the Colombo — Koh Samui route. The distance between the cities is approximately 2,238 km, and flights are operated with convenient layovers at the region's largest aviation hubs.
To find the best offer, use the low-price calendar and the price dynamics chart. The page also provides information on how to get to the departure airport and transfer options at your destination.
Below is a calendar of the lowest flight ticket prices for Colombo — Koh Samui by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $294 in ,, and the most expensive are around $383 in y. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Colombo → Koh Samui, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $454 | high | May | $243 | low | Sep | $232 | low |
| Feb | $496 | high | Jun | $270 | low | Oct | $325 | medium |
| Mar | $312 | medium | Jul | $251 | medium | Nov | $343 | medium |
| Apr | $236 | low | Aug | $253 | medium | Dec | $404 | high |
Some values are estimated based on seasonality.
The climate at the destination remains hot throughout the year; however, the highest temperatures, reaching up to 29.8°C, are recorded in May. The rainiest period is November, which sees up to 337.43 mm of precipitation and a minimum number of sunny days.
From a budget perspective, the most favorable month to fly is June, with ticket prices starting $318. Prices peak in February, when the minimum fare starts $455.
As a compromise between weather and price, consider March: it is one of the driest months with offers starting $330. It is recommended to avoid traveling in October and November due to the high probability of prolonged monsoon rains.
Flights from Colombo to Koh Samui are operated by several international and regional airlines specializing in Southeast Asian routes. The majority of flights involve layovers, allowing you to choose a convenient departure time. Review the current schedule and flight frequency in the list below to find the most suitable option and see route details for each carrier.
Flights Colombo — Koh Samui depart from Bandaranaike International Airport and arrive at Koh Samui Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is 2,238 km. A direct flight would take about 3 hours, but including layovers, the total travel time usually ranges from 7 to 12 hours.
Flights are operated by international companies with transfers in major hubs such as Bangkok or Singapore. The current list of carriers is available in the airlines section on this page.
Currently, there are no scheduled direct flights between these cities. All available options involve at least one transfer.
Arrival is at Samui International Airport (USM), which serves as the main air gateway to the island.
The lowest prices are typically available when booking 1.5–2 months in advance. Monitor the price dynamics chart to catch the best time to book.
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