HK$1,578+ 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 19-3. 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
9 Mar — 16 Mar1
1 adult
1 adult, Economy, 0 bags

Direct flights from Ko Samui

Enter your travel dates to find the best prices.

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 7 February 2026.

Thu 14-511:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Mon 18-517:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Deal found 6-2HK$3,281
Sun 22-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Sun 29-317:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Deal found 5-2HK$4,375
Thu 2-411:55
USM
-
HKG
Nonstop3h 25m
Multiple Airlines
Wed 8-417:20
HKG
-
USM
Nonstop3h 20m
Multiple Airlines
Deal found 5-2HK$4,399
Sat 7-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Wed 11-317:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Deal found 5-2HK$4,406
Tue 24-311:40
USM
-
HKG
Nonstop3h 15m
Multiple Airlines
Tue 31-317:20
HKG
-
USM
Nonstop3h 20m
Multiple Airlines
Deal found 6-2HK$4,828
Wed 4-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Sun 8-317:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Deal found 5-2HK$4,883

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 7 February 2026.

Fly to

Hong Kong

Route

Departure

Return

Price

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Thu 14-5

11:55-16:20

Nonstop3h 25m

Hong Kong Intl

Mon 18-5

17:20-19:40

Nonstop3h 20m

HK$3,281

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sun 22-3

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Sun 29-3

17:20-19:40

Nonstop3h 20m

HK$4,375

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Thu 2-4

11:55-16:20

Nonstop3h 25m

Hong Kong Intl

Wed 8-4

17:20-19:40

Nonstop3h 20m

HK$4,399

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sat 7-3

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Wed 11-3

17:05-19:35

Nonstop3h 30m

HK$4,406

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Tue 10-3

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Sat 14-3

17:05-19:35

Nonstop3h 30m

HK$4,406

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Tue 24-3

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Tue 31-3

17:20-19:40

Nonstop3h 20m

HK$4,828

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Wed 4-3

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Sun 8-3

17:05-19:35

Nonstop3h 30m

HK$4,883

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Sat 27-6

11:55-16:20

Nonstop3h 25m

HK$1,664

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Wed 29-4

11:55-16:20

Nonstop3h 25m

HK$1,750

Ko SamuiHong Kong

USM - HKG

USMHKG

Ko Samui

Tue 12-5

11:55-16:20

Nonstop3h 25m

HK$1,766

Flights are sorted by cheapest return flights first.

Deals found on 6-2

Showing 1-10 of 17 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 7 February 2026.

  • Where can you fly direct from Ko Samui?

    Currently, the most popular direct flight destination from Ko Samui is Bangkok Suvarnabhumi Airport.

  • 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, May is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, October offers travelers the most options.

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