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RM 420+ Cheap flights to Ko Samui

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
16 Jul — 23 Jul1
1 adult

Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 407,431 searches and data was last updated on 11 July 2025.

Return from

RM 1,219

One-way from

RM 420

Popular in

December

Cheapest in

October

Average price

RM 1,406
4/9-11/9
  • 4/9-11/9
  • 3 total stops
  • 18h 15m total
  • Kuala Lumpur to Ko Samui
25/10
  • 25/10
  • 1 total stop
  • 5h 30m total
  • Kuala Lumpur to Ko Samui
Highest demand for flights based on searches. 7% potential increase in price (RM 512 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (RM 142 potential savings vs. average return price).
Average for return flights in July 2025

Find flight deals to Ko Samui

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 11 July 2025.

Thu 4/908:25KUL - USM
2 stops11h 05mMultiple Airlines
Thu 11/908:00USM - KUL
1 stop7h 10mMultiple Airlines
Deal found 9/7RM 1,219
Thu 21/822:45KUL - USM
1 stop10h 05mScoot
Thu 28/808:45USM - KUL
1 stop20h 15mScoot
Deal found 11/7RM 1,227
Sat 1/1114:10SZB - USM
1 stop18h 50mScoot
Wed 5/1108:55USM - SZB
1 stop27h 15mScoot
Deal found 10/7RM 1,257
Fri 19/914:00SZB - USM
1 stop5h 30mMultiple Airlines
Sun 21/912:30USM - SZB
2 stops23h 30mMultiple Airlines
Deal found 9/7RM 1,414

Cheapflights Fare Finder

Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 407,431 searches and data was last updated on 11 July 2025.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Kuala Lumpur

Route

Departure

Return

Price

Kuala LumpurKo Samui

KUL - USM

KULUSM

Kuala Lumpur Intl

Thu 4/9

08:25-18:30

2 stops11h 05m

Ko Samui

Thu 11/9

08:00-16:10

1 stop7h 10m

RM 1,219

Kuala LumpurKo Samui

KUL - USM

KULUSM

Kuala Lumpur Intl

Thu 21/8

22:45-07:50

1 stop10h 05m

Ko Samui

Thu 28/8

08:45-06:00

1 stop20h 15m

RM 1,227

Kuala LumpurKo Samui

SZB - USM

SZBUSM

Kuala Lumpur Subang

Sat 1/11

14:10-08:00

1 stop18h 50m

Ko Samui

Wed 5/11

08:55-13:10

1 stop27h 15m

RM 1,257

Kuala LumpurKo Samui

SZB - USM

SZBUSM

Kuala Lumpur Subang

Fri 19/9

14:00-18:30

1 stop5h 30m

Ko Samui

Sun 21/9

12:30-13:00

2 stops23h 30m

RM 1,414

Kuala LumpurKo Samui

KUL - USM

KULUSM

Kuala Lumpur Intl

Sat 25/10

10:20-14:50

1 stop5h 30m

RM 420

Kuala LumpurKo Samui

KUL - USM

KULUSM

Kuala Lumpur Intl

Tue 5/8

22:30-18:30

1 stop21h 00m

RM 616

Kuala LumpurKo Samui

SZB - USM

SZBUSM

Kuala Lumpur Subang

Wed 6/8

14:00-18:30

1 stop5h 30m

RM 624

Kuala LumpurKo Samui

SZB - USM

SZBUSM

Kuala Lumpur Subang

Sun 2/11

09:25-14:45

1 stop6h 20m

RM 781

Kuala LumpurKo Samui

KUL - USM

KULUSM

Kuala Lumpur Intl

Fri 25/7

08:55-18:15

1 stop10h 20m

RM 1,584

Kuala LumpurKo Samui

KUL - USM

KULUSM

Kuala Lumpur Intl

Sat 8/11

11:45-15:40

2 stops28h 55m

RM 1,915

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Best time to book a flight to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

When is the best time to book a flight to Ko Samui?

Use this chart to determine the optimal time to book a return flight from Kuala Lumpur to Ko Samui. Price data was last updated on 27 June 2025.

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Ko Samui?

On average, a flight from Kuala Lumpur to Ko Samui takes 4 hours 42 minutes. Flights to Ko Samui from other popular cities in Malaysia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Ko Samui?

Use this chart to determine the cheapest time to fly return from Kuala Lumpur to Ko Samui. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Ko Samui should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday afternoons, when prices are usually at their highest.

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from Kuala Lumpur to Ko Samui are Malaysia Airlines, Scoot and Singapore Airlines.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 11 July 2025.
Read reviews from past customers who have flown Singapore Airlines, Vietnam Airlines, andPhilippine Airlines to Thailand. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

FAQs about flying to Ko Samui

  • What airport do you fly into for flights to Ko Samui?

    For a flight to Ko Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city.

  • Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ko Samui?

    Based on reviews from Cheapflights users, Malaysia Airlines is rated the highest out of the airlines that fly to Ko Samui.

  • Where does the fastest flight to Ko Samui depart from?

    For those looking to save time traveling to Ko Samui, Kuala Lumpur offers the quickest one-way flight (4 hours 5 minutes).

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

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Need flexible booking options for your flight to Ko Samui ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights to Ko Samui become cheaper?

Yes, Cheapflights offers price alerts on Ko Samui flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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