Find flights
Deals

HK$1,081+ Cheap flights from Ko Samui

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21-5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
USM — HKG
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from Ko Samui within your budget

 
Find flights departing from Ko Samui that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 24 March 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Mon 18-5

06:00-14:20

1 stop7h 20m

Hong Kong Intl

Thu 21-5

21:30-07:10

1 stop10h 40m

HK$3,094

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Wed 6-5

17:00-04:30

2 stops10h 30m

Hong Kong Intl

Wed 13-5

21:30-07:10

1 stop10h 40m

HK$3,336

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Wed 13-5

09:15-19:15

2 stops9h 00m

Hong Kong Intl

Wed 20-5

14:20-19:45

1 stop6h 25m

HK$3,376
Fastest return journey

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Thu 14-5

11:55-16:20

Nonstop3h 25m

Hong Kong Intl

Sun 17-5

17:20-19:40

Nonstop3h 20m

HK$3,846

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Tue 5-5

17:00-13:05

2 stops19h 05m

Hong Kong Intl

Tue 12-5

14:20-19:45

1 stop6h 25m

HK$3,924

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sat 23-5

07:50-18:05

1 stop9h 15m

Hong Kong Intl

Tue 26-5

21:10-09:20

1 stop13h 10m

HK$3,947

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Thu 23-4

09:15-16:00

1 stop5h 45m

Hong Kong Intl

Wed 29-4

08:00-17:20

2 stops10h 20m

HK$4,049

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Thu 14-5

18:25-18:05

1 stop22h 40m

Hong Kong Intl

Sun 17-5

21:10-11:40

1 stop15h 30m

HK$4,362
Cheapest one-way

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Fri 22-5

19:00-13:05

2 stops17h 05m

HK$1,519

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sat 25-4

17:35-13:05

1 stop18h 30m

HK$1,629

Flights are sorted by cheapest return flights first.

Deals found on 21-3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Ko Samui

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

Travel insights for flights from Ko Samui

Get recent, data-driven insights about flights from Ko Samui including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ko Samui?

Currently, September is the cheapest month in which you can book a flight from Ko Samui (average of HK$3,031). Flying from Ko Samui in August will prove the most costly (average of HK$5,905). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ko Samui?

If you’re flying from Ko Samui, these routes are more frequently taken by airlines Bangkok (2,344 flights per day), Phuket City (423 flights per day) and Singapore (245 flights per day).

Singapore Changi
Singapore Changi
From HK$1,661

What is the cheapest place to fly to from Ko Samui?

The cheapest city to fly to from Ko Samui is Singapore Changi, with prices starting at HK$1,661. Explore other affordable destinations below.

Singapore Changi
Singapore Changi
From HK$1,661

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.

Direct flights from Thailand

Book a direct flight from one of these other cities located in Thailand.
Direct flights from Ko Samui
Direct flights from Phuket City
Direct flights from Chiang Mai
Direct flights from Krabi

Related info for your journey

Access useful and relevant information related to your journey from Ko Samui. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 24 March 2026.

  • What are the most popular destinations to fly to from Ko Samui?

    This month, the top selected destinations from Ko Samui are Bangkok Suvarnabhumi Airport, Phuket City, Singapore. Throughout the year, Bangkok Suvarnabhumi Airport, Singapore, Phuket City are some of the top choices made by users flying from Ko Samui.

  • What is the cheapest flight from Ko Samui to anywhere?

    Users have flown out of Ko Samui for as low as HK$1,028 to Xi'an (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$3,533 to fly from Ko Samui.

  • What is the cheapest premium economy flight from Ko Samui?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Ko Samui.
    Fly Ko Samui to Bangkok Suvarnabhumi Airport from HK$16,762

  • What is the cheapest month to fly from Ko Samui?

    Currently, the cheapest month for flights from Ko Samui is September. The most expensive month for flights is August. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Ko Samui?

    Cheapflights helps you search for flights from Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    Cheapflights helps you find that perfect flight from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Ko Samui with no change fees?

    Need flexible booking options for your flight from 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 from Ko Samui become cheaper?

    Yes! Start tracking prices for flights from Ko Samui today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

See more FAQs

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 from Ko Samui?

Cheapflights helps you search for flights from Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight from 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 from Ko Samui become cheaper?

Yes! Start tracking prices for flights from Ko Samui today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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.