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HK$2,476+ 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 12-5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
26 May — 2 Jun1
1 adult
1 adult, Economy, 0 bags

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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 26 April 2026.

Fri 8-517:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Thu 14-511:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 23-4HK$4,395
Sun 10-517:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Wed 13-511:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 22-4HK$4,434
Wed 10-617:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Mon 15-611:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 24-4HK$4,450
Tue 9-617:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Tue 16-611:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 25-4HK$4,599
Sat 9-517:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Mon 11-511:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 22-4HK$4,622
Sun 7-617:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Sun 14-611:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 23-4HK$4,630
Mon 8-617:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Mon 15-611:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 24-4HK$4,646
Sat 9-517:20
HKG
-
USM
Nonstop3h 20m
Bangkok Airways
Tue 12-511:55
USM
-
HKG
Nonstop3h 25m
Bangkok Airways
Deal found 21-4HK$4,654

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 26 April 2026.
Use the filters below to find and compare direct flights to Ko Samui that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 13-6

17:20-19:40

Nonstop3h 20m

Ko Samui

Sat 20-6

11:55-16:20

Nonstop3h 25m

HK$4,630

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 7-6

17:20-19:40

Nonstop3h 20m

Ko Samui

Sun 14-6

11:55-16:20

Nonstop3h 25m

HK$4,638

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 9-5

17:20-19:40

Nonstop3h 20m

Ko Samui

Tue 12-5

11:55-16:20

Nonstop3h 25m

HK$4,654

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 8-5

17:20-19:40

Nonstop3h 20m

Ko Samui

Thu 14-5

11:55-16:20

Nonstop3h 25m

HK$4,905

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 24-6

17:20-19:40

Nonstop3h 20m

Ko Samui

Mon 29-6

11:55-16:20

Nonstop3h 25m

HK$5,108

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 18-5

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 22-5

11:55-16:20

Nonstop3h 25m

HK$5,132

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 12-5

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 15-5

11:55-16:20

Nonstop3h 25m

HK$5,140

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 12-8

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 21-8

11:55-16:20

Nonstop3h 25m

HK$5,226

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 25-6

17:20-19:40

Nonstop3h 20m

Ko Samui

Sat 27-6

11:55-16:20

Nonstop3h 25m

HK$5,241

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 24-6

17:20-19:40

Nonstop3h 20m

Ko Samui

Sat 27-6

11:55-16:20

Nonstop3h 25m

HK$5,241

Flights are sorted by cheapest return flights first.

Deals found on 23-4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 26 April 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

Crew

8.6

Entertainment

6.3

Overall

8.1

Comfort

8.0

Food

7.3

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

Crew

8.6

Entertainment

6.3

Overall

8.1

Comfort

8.0

Food

7.3

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

Crew

8.6

Entertainment

6.3

Overall

8.1

Comfort

8.0

Food

7.3

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
1,302 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Crew

8.6

Entertainment

6.3

Overall

8.1

Comfort

8.0

Food

7.3

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

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 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$5,372.

See more FAQs

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