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HK$2,049+ 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 18-6. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
18 Jun — 25 Jun1
1 adult

Find flight deals to Ko Samui

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 13 June 2025.

Wed 18-616:15HKG - USM
Nonstop3h 20mBangkok Airways
Wed 25-610:55USM - HKG
Nonstop3h 20mBangkok Airways
Deal found 12-6HK$3,815
Wed 23-716:15HKG - USM
Nonstop3h 20mHong Kong Airlines
Wed 30-710:55USM - HKG
Nonstop3h 20mHong Kong Airlines
Deal found 13-6HK$4,906
Mon 28-716:15HKG - USM
Nonstop3h 20mMultiple Airlines
Fri 1-810:55USM - HKG
Nonstop3h 20mMultiple Airlines
Deal found 12-6HK$4,945
Sat 5-716:15HKG - USM
Nonstop3h 20mCathay Pacific
Sat 12-710:55USM - HKG
Nonstop3h 20mCathay Pacific
Deal found 11-6HK$4,992

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 13 June 2025.
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

Sun 21-9

16:15-18:35

Nonstop3h 20m

Ko Samui

Tue 30-9

10:55-15:15

Nonstop3h 20m

HK$3,822

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 19-9

16:15-18:35

Nonstop3h 20m

Ko Samui

Mon 29-9

10:55-15:15

Nonstop3h 20m

HK$4,654

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 23-7

16:15-18:35

Nonstop3h 20m

Ko Samui

Wed 30-7

10:55-15:15

Nonstop3h 20m

HK$4,906

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 28-7

16:15-18:35

Nonstop3h 20m

Ko Samui

Fri 1-8

10:55-15:15

Nonstop3h 20m

HK$4,945

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 18-6

16:15-18:35

Nonstop3h 20m

HK$2,049

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 26-7

16:15-18:35

Nonstop3h 20m

HK$3,038

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 7-7

16:15-18:35

Nonstop3h 20m

HK$4,388

Flights are sorted by cheapest return flights first.

Deals found on 10-6

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 13 June 2025.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very Good
1,304 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Bangkok Airways
8.0
Very Good
111 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
892 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Scoot
6.7
Okay
306 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Temperature and rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature and rainfall totals by month.

USM

Temperature

27 - 29 °C

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

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, November is worth consideration, as prices are usually at their lowest, on average. November 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$3,886.

See more FAQs

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