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HK$1,512+ 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 22-6. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
5 Jun — 12 Jun1
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 6 May 2026.

Thu 4-607:55
HKG
-
USM
1 stop13h 30m
Multiple Airlines
Thu 11-619:45
USM
-
HKG
1 stop23h 00m
Multiple Airlines
Deal found 5-5HK$2,931
Fri 12-607:55
HKG
-
USM
1 stop10h 00m
Multiple Airlines
Fri 19-608:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 4-5HK$3,017
Thu 11-607:55
HKG
-
USM
1 stop13h 30m
Multiple Airlines
Wed 17-619:45
USM
-
HKG
1 stop23h 00m
Multiple Airlines
Deal found 4-5HK$3,079
Fri 8-521:30
HKG
-
USM
1 stop13h 15m
Multiple Airlines
Thu 14-519:45
USM
-
HKG
1 stop23h 00m
Multiple Airlines
Deal found 2-5HK$3,111
Sun 21-616:55
HKG
-
USM
1 stop15h 15m
Multiple Airlines
Thu 25-608:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 2-5HK$3,119
Mon 22-607:55
HKG
-
USM
1 stop13h 30m
Multiple Airlines
Mon 29-608:00
USM
-
HKG
1 stop7h 00m
Multiple Airlines
Deal found 5-5HK$3,126
Mon 26-1013:30
HKG
-
USM
2 stops22h 10m
Multiple Airlines
Fri 30-1019:45
USM
-
HKG
1 stop18h 40m
Multiple Airlines
Deal found 3-5HK$3,158
Mon 25-507:55
HKG
-
USM
1 stop13h 30m
Multiple Airlines
Wed 10-608:00
USM
-
HKG
1 stop7h 00m
Multiple Airlines
Deal found 5-5HK$3,236

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 6 May 2026.

Return from

HK$2,907

One-way from

HK$1,512

Popular in

February

Cheapest in

September

Average price

HK$3,965
Scoot
  • Scoot
  • 24-6-26-6
  • 2 total stops
  • 23h 35m total
  • Hong Kong to Ko Samui
Search Deals
22-6
  • 22-6
  • 1 total stop
  • 11h 05m total
  • Hong Kong to Ko Samui
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (HK$351 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$152 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 6 May 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

Mon 27-7

18:40-18:50

2 stops25h 10m

Ko Samui

Fri 7-8

11:55-16:20

Nonstop3h 25m

HK$3,910

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 29-10

21:00-08:10

1 stop12h 10m

Ko Samui

Mon 2-11

08:30-17:40

1 stop8h 10m

HK$4,302

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 22-7

17:20-19:40

Nonstop3h 20m

Ko Samui

Tue 28-7

15:30-23:05

1 stop6h 35m

HK$5,085

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 12-8

14:30-20:50

1 stop7h 20m

Ko Samui

Fri 21-8

08:10-15:05

1 stop5h 55m

HK$5,203
Fastest return journey

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 19-7

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 31-7

11:55-16:20

Nonstop3h 25m

HK$5,234
Cheapest one-way

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 7-6

07:55-16:55

1 stop10h 00m

HK$1,598

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 12-6

13:30-07:10

1 stop18h 40m

HK$1,732

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 21-5

14:55-07:45

2 stops17h 50m

HK$2,006

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 1-8

22:40-18:50

2 stops21h 10m

HK$2,069

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 23-5

21:30-20:25

2 stops23h 55m

HK$2,124

Flights are sorted by cheapest return flights first.

Deals found on 4-5

Showing 1-10 of 13 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 6 May 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
127 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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
127 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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
401 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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
1,314 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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

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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.

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!

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