Flights from Colombo to Koh Samui from $689 — JustCheckin.in

CMB

Colombo

35h 35m avg

USM

Koh Samui

Flights from

$689

Compare 1 options across 1 airline

Updated 1 month ago

$689

Cheapest Flight

$689

Average Price

0

Direct Flights

1

Airlines

Compare All CMB to USM Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

1 of 1 flight

Airline	Schedule	Stops	Duration	Price
AI AI · 2275	09:40 CMB 21:15 USM	0 stop(s)	35h 35m	$689 Best	Book →

Airport Information

Key details about departure and arrival airports for this route

CMB

Bandaranaike International Colombo Airport

City: Colombo
Country: LK
Type: Large Airport
Elevation: 30 ft

CMB Airport Guide →

USM

Samui International Airport

City: Na Thon (Ko Samui Island)
Country: TH
Type: Large Airport
Elevation: 64 ft

USM Airport Guide →

Tips for Colombo to Koh Samui Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book CMB–USM flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $689, but prices as low as $689 are available.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on CMB–USM is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Koh Samui

Book accommodation at your destination — top-rated stays near USM airport

Glory Moon Resort

Glory Moon Resort

Koh Samui, 4★

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Pano Samui Beachfront Villa 3

Pano Samui Beachfront Villa 3

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2BR Emerald Villa – Private Pool & Sea View B30-1

2BR Emerald Villa – Private Pool & Sea View B30-1

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Bleu Oasis House - 2BR - Smart TV

Bleu Oasis House - 2BR - Smart TV

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Cozy Boutique Bungalow No. 2

Cozy Boutique Bungalow No. 2

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热闹市区的安静亲子别墅（4卧）

热闹市区的安静亲子别墅（4卧）

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Frequently Asked Questions

Everything you need to know about flying CMB to USM

What is the cheapest flight from Colombo to Koh Samui?

The cheapest flight from Colombo (CMB) to Koh Samui (USM) currently starts at $689 with AI. Prices are updated regularly and may vary by date and availability.

How many airlines fly from CMB to USM?

We found 1 airline(s) operating on the CMB–USM route, including AI.

Are there direct flights from Colombo to Koh Samui?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from Colombo to Koh Samui is approximately $689. Prices range from $689 to $689 depending on airline, time, and class.

How long is the flight from CMB to USM?

The average flight duration from Colombo to Koh Samui is approximately 35 hours 35 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on CMB–USM flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.

From $689

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