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HK$1,372+ 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
1 Sep — 8 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 2 August 2026.

Mon 2-1114:00
HKG
-
USM
1 stop7h 30m
Multiple Airlines
Sat 21-1111:00
USM
-
HKG
1 stop7h 25m
Multiple Airlines
Deal found 28-7HK$2,737
Mon 14-920:20
HKG
-
USM
1 stop11h 50m
Multiple Airlines
Mon 21-907:50
USM
-
HKG
1 stop10h 25m
Multiple Airlines
Deal found 29-7HK$2,776
Thu 5-1114:00
HKG
-
USM
1 stop7h 30m
Multiple Airlines
Sat 21-1111:00
USM
-
HKG
1 stop7h 25m
Multiple Airlines
Deal found 28-7HK$2,807
Mon 2-1114:00
HKG
-
USM
1 stop7h 30m
Multiple Airlines
Sun 22-1107:55
USM
-
HKG
1 stop5h 40m
Multiple Airlines
Deal found 28-7HK$2,823
Sun 13-913:30
HKG
-
USM
1 stop8h 00m
Multiple Airlines
Sun 20-906:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 29-7HK$2,846
Mon 2-1114:00
HKG
-
USM
1 stop7h 30m
Multiple Airlines
Fri 20-1108:30
USM
-
HKG
1 stop6h 25m
Multiple Airlines
Deal found 28-7HK$2,854
Mon 2-1114:00
HKG
-
USM
1 stop7h 30m
Multiple Airlines
Mon 16-1107:00
USM
-
HKG
1 stop6h 35m
Multiple Airlines
Deal found 28-7HK$2,862
Mon 31-821:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Wed 23-906:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 29-7HK$2,878
Thu 5-1114:00
HKG
-
USM
1 stop7h 30m
Multiple Airlines
Sun 22-1107:55
USM
-
HKG
1 stop5h 40m
Multiple Airlines
Deal found 28-7HK$2,886
Sun 20-916:55
HKG
-
USM
1 stop15h 15m
Multiple Airlines
Wed 23-906:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 29-7HK$2,893
Mon 31-821:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 21-906:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 29-7HK$2,901
Fri 6-1114:00
HKG
-
USM
1 stop7h 30m
Multiple Airlines
Sun 22-1107:55
USM
-
HKG
1 stop5h 40m
Multiple Airlines
Deal found 28-7HK$2,909

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 2 August 2026.

Return from

HK$2,737

One-way from

HK$1,372

Popular in

December

Cheapest in

September

Average price

HK$5,716
2-11-21-11
  • 2-11-21-11
  • 2 total stops
  • 14h 55m total
  • Hong Kong to Ko Samui
Search Deals
2-9
  • 2-9
  • 1 total stop
  • 11h 50m total
  • Hong Kong to Ko Samui
Search Deals
Highest demand for flights based on searches. 3% potential increase in price.
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$101 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 2 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 - USM

HKGUSM

Hong Kong Intl

Fri 6-11

08:30-14:55

1 stop7h 25m

Ko Samui

Fri 20-11

14:30-21:30

1 stop6h 00m

HK$4,101

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 27-10

14:30-19:50

1 stop6h 20m

Ko Samui

Wed 28-10

07:00-15:30

1 stop7h 30m

HK$4,101

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 5-11

12:00-19:50

1 stop8h 50m

Ko Samui

Mon 16-11

08:30-15:30

1 stop6h 00m

HK$4,101

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 6-11

12:00-19:50

1 stop8h 50m

Ko Samui

Sat 14-11

07:55-15:30

1 stop6h 35m

HK$4,101

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 6-11

09:05-17:10

1 stop9h 05m

Ko Samui

Sat 21-11

19:45-12:25

1 stop15h 40m

HK$4,799
Fastest return journey

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 13-9

17:20-19:40

Nonstop3h 20m

Ko Samui

Sun 20-9

11:55-16:20

Nonstop3h 25m

HK$4,940

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 15-9

17:20-19:40

Nonstop3h 20m

Ko Samui

Tue 22-9

11:55-16:20

Nonstop3h 25m

HK$5,167

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 30-8

17:20-19:40

Nonstop3h 20m

Ko Samui

Sun 6-9

11:55-16:20

Nonstop3h 25m

HK$5,222

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 20-8

17:20-19:40

Nonstop3h 20m

Ko Samui

Mon 24-8

11:55-16:20

Nonstop3h 25m

HK$5,771

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 12-8

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 21-8

11:55-16:20

Nonstop3h 25m

HK$5,818

Flights are sorted by cheapest return flights first.

Deals found on 28-7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 2 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

Food

7.3

Boarding

8.1

Overall

8.1

Comfort

7.9

Entertainment

6.3

Crew

8.6

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

Food

7.3

Boarding

8.1

Overall

8.1

Comfort

7.9

Entertainment

6.3

Crew

8.6

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
413 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Food

7.3

Boarding

8.1

Overall

8.1

Comfort

7.9

Entertainment

6.3

Crew

8.6

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
1,435 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Food

7.3

Boarding

8.1

Overall

8.1

Comfort

7.9

Entertainment

6.3

Crew

8.6

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

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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.

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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!

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