Find flights
Deals
Airlines
Travel Guide

HK$1,491+ 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 2-9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Ko Samui in 2026

Enter your travel dates to find the best prices.

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 12 August 2026.

Sun 13-914:20 -
2 stops25h 30m
Thu 24-919:45 -
1 stop23h 00m
Deal found 11-8HK$2,809
Thu 10-920:45 -
1 stop23h 05m
Thu 17-919:45 -
1 stop23h 00m
Deal found 10-8HK$2,880
Mon 9-1114:00 -
1 stop7h 30m
Sat 14-1118:05 -
1 stop20h 35m
Deal found 8-8HK$2,911
Mon 14-907:55 -
1 stop13h 30m
Thu 17-919:45 -
1 stop23h 00m
Deal found 10-8HK$2,982
Wed 16-907:55 -
1 stop13h 30m
Wed 23-908:00 -
1 stop7h 00m
Deal found 8-8HK$3,045
Mon 7-907:55 -
1 stop10h 00m
Mon 14-908:00 -
1 stop7h 00m
Deal found 8-8HK$3,052
Tue 22-914:20 -
2 stops19h 05m
Fri 25-909:15 -
1 stop5h 45m
Deal found 9-8HK$3,060
Thu 3-907:55 -
1 stop13h 30m
Thu 10-908:40 -
1 stop10h 05m
Deal found 10-8HK$3,076
Tue 8-907:55 -
1 stop25h 30m
Fri 11-908:00 -
1 stop7h 00m
Deal found 10-8HK$3,100
Fri 20-1120:25 -
1 stop11h 45m
Thu 26-1107:00 -
1 stop6h 35m
Deal found 9-8HK$3,107

Find flight deals to Ko Samui

Find the latest flights to Ko Samui in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 12 August 2026.

Return from

HK$2,809

One-way from

HK$1,491

Popular in

December

Cheapest in

September

Average price

HK$5,720
Scoot
  • Scoot
  • 13-9-24-9
  • 3 total stops
  • 48h 30m total
  • Hong Kong to Ko Samui
Search Deals
2-9
  • 2-9
  • 1 total stop
  • 25h 30m total
  • Hong Kong to Ko Samui
Search Deals
Highest demand for flights based on searches. 2% potential increase in price.
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$110 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals

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 70,647 searches and data was last updated on 12 August 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Sun 13-9

14:20-14:50

2 stops25h 30m

Ko Samui

Thu 24-9

19:45-19:45

1 stop23h 00m

HK$2,809

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Mon 31-8

20:45-07:45

1 stop12h 00m

Ko Samui

Mon 7-9

11:55-16:20

Nonstop3h 25m

HK$3,586

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Thu 17-9

07:55-18:00

1 stop11h 05m

Ko Samui

Sat 26-9

09:15-16:00

1 stop5h 45m

HK$3,594

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Wed 9-9

14:20-19:45

1 stop6h 25m

Ko Samui

Sun 13-9

08:00-20:15

2 stops11h 15m

HK$3,617

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Thu 27-8

07:55-20:25

1 stop13h 30m

Ko Samui

Mon 31-8

17:00-04:30

2 stops10h 30m

HK$4,010

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 27-10

08:30-15:35

1 stop8h 05m

Ko Samui

Thu 29-10

08:30-21:30

1 stop12h 00m

HK$4,355
Fastest return journey

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Wed 9-9

17:20-19:40

Nonstop3h 20m

Ko Samui

Sun 20-9

11:55-16:20

Nonstop3h 25m

HK$4,379
Cheapest one-way

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Fri 20-11

14:00-07:10

1 stop18h 10m

HK$1,499

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Sat 29-8

07:55-20:25

1 stop13h 30m

HK$1,750

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Wed 19-8

15:35-08:25

1 stop17h 50m

HK$1,860

Flights are sorted by cheapest return flights first.

Deals found on 12-8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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?

The price you pay for your flight to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 12 August 2026.
See what other customers who have flown with Bangkok Airways,泰國航空, andCathay Pacific to Thailand have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Entertainment

6.3

Overall

8.1

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
133 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Entertainment

6.3

Overall

8.1

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
泰國航空
7.9
Good
414 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Entertainment

6.3

Overall

8.1

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Cathay Pacific
7.6
Good
1,451 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Entertainment

6.3

Overall

8.1

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

FAQs about flying to Ko Samui

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

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre. On average, Ko Samui has 8 flights from Hong Kong per day from 3 airlines.

  • 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, Bangkok Airways is rated the highest out of the airlines that fly to Ko Samui.

  • 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 Tao
Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Ko Samui by cabin class

Find flights to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class flights to Ko Samui
Business Class flights to Ko Samui
Prem Economy Class flights to Ko Samui
Economy Class flights to Ko Samui

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Ko Samui?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui.

Can Cheapflights find flights to Ko Samui with no change fees?

Yes, we can. To see specific flights to Ko Samui with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.