Flights from Singapore to Koh Samui from $364

Compare All SIN to USM Flights

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

3 of 3 flights

Airline	Schedule	Stops	Duration	Price
TR TR · 648	17:55 SIN 01:15 USM	0 stop(s)	7h 20m	$364 Best	Book →
TR TR · 640	Schedule on partner site	Direct	—	$369	Book →
TR TR · 648	Schedule on partner site	Direct	—	$388	Book →

Airport Information

Key details about departure and arrival airports for this route

SIN

Singapore Changi Airport

City: Singapore
Country: SG
Type: Large Airport
Elevation: 22 ft

SIN 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 Singapore to Koh Samui Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book SIN–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 $374, but prices as low as $364 are available.

✈ Direct vs Connecting

2 direct flight(s) available on this route , starting from $369 . Direct flights save you 2–5 hours of travel time.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on SIN–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

Koh Samui, 4★

10.0 Check Price

Pano Samui Beachfront Villa 3

Koh Samui

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

Koh Samui

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Bleu Oasis House - 2BR - Smart TV

Koh Samui

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Cozy Boutique Bungalow No. 2

Frequently Asked Questions

Everything you need to know about flying SIN to USM

What is the cheapest flight from Singapore to Koh Samui?

The cheapest flight from Singapore (SIN) to Koh Samui (USM) currently starts at $364 with TR. Prices are updated regularly and may vary by date and availability.

How many airlines fly from SIN to USM?

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

Are there direct flights from Singapore to Koh Samui?

Yes, there are 2 direct flight(s) available from SIN to USM, with prices starting at $369.

What is the average flight price on this route?

The average flight price from Singapore to Koh Samui is approximately $374. Prices range from $364 to $388 depending on airline, time, and class.

How long is the flight from SIN to USM?

The average flight duration from Singapore to Koh Samui is approximately 7 hours 20 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on SIN–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.