Find flights
Airlines

HK$2,012+ Direct flights to Ko Samui

This is the cheapest price on a non-stop flight to Ko Samui found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6-4. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Ko Samui

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 14 January 2026.

Sun 29-317:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Mon 13-411:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 12-1HK$4,189
Sat 7-317:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Sat 21-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Deal found 12-1HK$4,196
Fri 20-317:05
HKG
-
USM
Nonstop3h 30m
Multiple Airlines
Wed 25-311:40
USM
-
HKG
Nonstop3h 15m
Multiple Airlines
Deal found 13-1HK$4,204
Mon 30-317:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Tue 14-411:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 13-1HK$4,235
Fri 6-317:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Thu 19-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Deal found 12-1HK$4,251
Mon 30-317:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Wed 15-411:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 12-1HK$4,274
Sat 14-317:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Sat 21-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Deal found 13-1HK$4,306
Sat 7-317:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Mon 23-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Deal found 12-1HK$4,454
Sat 7-317:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Fri 20-311:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Deal found 12-1HK$4,462
Mon 9-217:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Sun 15-211:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Deal found 12-1HK$4,469
Thu 5-217:05
HKG
-
USM
Nonstop3h 30m
Bangkok Airways
Thu 12-211:40
USM
-
HKG
Nonstop3h 15m
Bangkok Airways
Deal found 12-1HK$4,477
Tue 31-317:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Wed 15-411:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 13-1HK$4,524

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 Fare Finder

 
Use the slider to find non-stop flights to 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 and data was last updated on 14 January 2026.
Use the filters below to find and compare direct flights to Ko Samui that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 30-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Wed 15-4

11:55-16:20

Nonstop3h 25m

HK$4,196

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 20-3

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 25-3

11:40-15:55

Nonstop3h 15m

HK$4,204

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 30-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Tue 14-4

11:55-16:20

Nonstop3h 25m

HK$4,235

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 30-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Mon 13-4

11:55-16:20

Nonstop3h 25m

HK$4,235

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 7-3

17:05-19:35

Nonstop3h 30m

Ko Samui

Sun 22-3

11:40-15:55

Nonstop3h 15m

HK$4,454

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 31-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Tue 14-4

11:55-16:20

Nonstop3h 25m

HK$4,555

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 31-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Mon 13-4

11:55-16:20

Nonstop3h 25m

HK$4,563

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 31-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Wed 15-4

11:55-16:20

Nonstop3h 25m

HK$4,586

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 29-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Sun 12-4

11:55-16:20

Nonstop3h 25m

HK$4,649

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 29-3

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 10-4

11:55-16:20

Nonstop3h 25m

HK$4,703

Flights are sorted by cheapest return flights first.

Deals found on 12-1

Showing 1-10 of 21 results
1
2
3

Reviews of airlines flying non-stop to Ko Samui

Get insights into the airlines that provide direct flights 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 14 January 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
120 reviews
Check prices

Entertainment

6.3

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.1
Very Good
120 reviews
Bangkok Airways
8.1
Very Good
120 reviews
Check prices

Entertainment

6.3

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
泰國航空
7.8
Good
378 reviews
Bangkok Airways
8.1
Very Good
120 reviews
Check prices

Entertainment

6.3

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Cathay Pacific
7.6
Good
1,130 reviews
Bangkok Airways
8.1
Very Good
120 reviews
Check prices

Entertainment

6.3

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

FAQ about direct flights to Ko Samui

Find answers to frequently asked questions about direct flights to Ko Samui to unlock the best deals on Cheapflights.

  • Which airlines fly direct to Ko Samui?

    At the moment, Bangkok Airways, Cathay Pacific, 泰國航空 offer direct flights to Ko Samui. Bangkok Airways is currently the most popular airline that flies direct to Ko Samui.

  • How long is a direct flight to Ko Samui?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Ko Samui to last approximately 3h 20m on average. The quickest direct flight to Ko Samui at this time departs from Hong Kong (3h 20m), while the longest leaves from Hong Kong (3h 20m).

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

    If you're seeking the lowest price on a direct flight to Ko Samui, September is worth consideration, as prices are usually at their lowest, on average. August may be most appealing to users looking for the quietest time to visit Ko Samui, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Ko Samui?

    Currently, the most popular direct flight origin to Ko Samui is Hong Kong. A return direct flight from Hong Kong to Ko Samui typically costs around HK$5,504.

See more FAQs

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 to Thailand

Book a non-stop flight to one of these popular destinations located in Thailand.
Direct flights to Bangkok
Direct flights to Phuket City
Direct flights to Chiang Mai

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.