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HK$1,519+ Direct flights from 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 23-11. 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
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Direct flights from Ko Samui

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

Fri 24-1010:55USM - HKG
Nonstop3h 20mBangkok Airways
Fri 31-1017:05HKG - USM
Nonstop3h 30mBangkok Airways
Deal found 9-9HK$2,999
Sun 21-910:55USM - HKG
Nonstop3h 20mBangkok Airways
Wed 24-916:15HKG - USM
Nonstop3h 20mBangkok Airways
Deal found 9-9HK$4,190

Find direct flights from Ko Samui within your budget

 
Use the slider to find direct flights from Ko Samui within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 70,647 searches. This data was last updated on 11 September 2025.

Fly to

Hong Kong

Route

Departure

Return

Price

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Fri 24-10

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Fri 31-10

17:05-19:35

Nonstop3h 30m

HK$2,999

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Mon 29-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Sun 12-10

16:15-18:35

Nonstop3h 20m

HK$3,194

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Mon 29-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Sat 11-10

16:15-18:35

Nonstop3h 20m

HK$3,832

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sun 28-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Sun 12-10

16:15-18:35

Nonstop3h 20m

HK$3,832

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Mon 29-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Mon 13-10

16:15-18:35

Nonstop3h 20m

HK$3,832

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Tue 30-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Sat 11-10

16:15-18:35

Nonstop3h 20m

HK$3,832

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Tue 30-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Mon 13-10

16:15-18:35

Nonstop3h 20m

HK$3,832

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Tue 30-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Sun 12-10

16:15-18:35

Nonstop3h 20m

HK$3,832

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sun 28-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Sat 11-10

16:15-18:35

Nonstop3h 20m

HK$3,832

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sun 21-9

10:55-15:15

Nonstop3h 20m

Hong Kong Intl

Wed 24-9

16:15-18:35

Nonstop3h 20m

HK$4,190

Flights are sorted by cheapest return flights first.

Deals found on 8-9

Showing 1-10 of 22 results
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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.

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 11 September 2025.

  • Where can you fly direct from Ko Samui?

    Currently, the most popular direct flight destination from Ko Samui is Xi'an.

  • How long is a direct flight from Ko Samui?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Ko Samui to last approximately 3h 15m on average. The quickest direct flight from Ko Samui at this time departs from Ko Samui (3h 15m), while the longest leaves from Ko Samui (3h 15m).

  • What is the best time of year to fly direct from Ko Samui?

    If you're seeking the lowest price on a direct flight from Ko Samui, October is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, June offers travelers the most options.

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