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HK$1,135+ Cheap flights to 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 5-5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
30 Mar — 6 Apr1
1 adult

Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 25 March 2025.

Return from

HK$2,239

One-way from

HK$1,135

Popular in

January

Cheapest in

November

Average price

HK$4,454

Good round-trip deal

HK$3,327 or less

Good one-way deal

HK$1,977 or less
2-9-7-9
  • 2-9-7-9
  • 2 total stops
  • 14h 30m total
  • Hong Kong to Ko Samui
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5-5
  • 5-5
  • 1 total stop
  • 15h 25m total
  • Hong Kong to Ko Samui
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Highest demand for flights based on searches. 4% potential increase in price (HK$1,601 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (HK$288 potential savings vs. average return price).
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Average for return flights in March 2025
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Price to beat on a round-trip flight from Hong Kong Intl to Ko Samui.
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Price to beat on a one-way flight from Hong Kong Intl to Ko Samui.
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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 25 March 2025.

Tue 2-907:40HKG - USM
1 stop8h 05mMultiple Airlines
Sun 7-907:00USM - HKG
1 stop6h 25mMultiple Airlines
Deal found 24-3HK$2,239
Wed 7-521:30HKG - USM
1 stop12h 50mEmirates
Wed 21-508:45USM - HKG
1 stop8h 20mEmirates
Deal found 25-3HK$3,288
Thu 8-516:15HKG - USM
Nonstop3h 20mBangkok Airways
Thu 15-510:55USM - HKG
Nonstop3h 20mBangkok Airways
Deal found 24-3HK$3,490
Sun 25-513:30HKG - USM
2 stops18h 50mEVA Air
Sat 31-507:00USM - HKG
2 stops11h 55mEVA Air
Deal found 24-3HK$3,863
Thu 10-419:20HKG - USM
1 stop13h 30mScoot
Mon 14-419:25USM - HKG
1 stop21h 55mScoot
Deal found 23-3HK$3,918
Mon 21-416:15HKG - USM
Nonstop3h 20mCathay Pacific
Mon 28-410:55USM - HKG
Nonstop3h 20mCathay Pacific
Deal found 24-3HK$4,617
Wed 7-511:20HKG - USM
2 stops11h 15mPhilippine Airlines
Wed 21-519:10USM - HKG
2 stops16h 15mPhilippine Airlines
Deal found 25-3HK$5,589

Cheapflights Fare Finder

Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 25 March 2025.
Use the filters below to find and compare 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

Tue 2-9

07:40-14:45

1 stop8h 05m

Ko Samui

Sun 7-9

07:00-14:25

1 stop6h 25m

HK$2,239

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 7-5

21:30-09:20

1 stop12h 50m

Ko Samui

Wed 21-5

08:45-18:05

1 stop8h 20m

HK$3,288

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 8-5

16:15-18:35

Nonstop3h 20m

Ko Samui

Thu 15-5

10:55-15:15

Nonstop3h 20m

HK$3,490

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 25-5

13:30-07:20

2 stops18h 50m

Ko Samui

Sat 31-5

07:00-19:55

2 stops11h 55m

HK$3,863

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 10-4

19:20-07:50

1 stop13h 30m

Ko Samui

Mon 14-4

19:25-18:20

1 stop21h 55m

HK$3,918

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 21-4

16:15-18:35

Nonstop3h 20m

Ko Samui

Mon 28-4

10:55-15:15

Nonstop3h 20m

HK$4,617

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 26-4

16:15-18:35

Nonstop3h 20m

Ko Samui

Tue 6-5

10:55-15:15

Nonstop3h 20m

HK$5,045

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 7-5

11:20-21:35

2 stops11h 15m

Ko Samui

Wed 21-5

19:10-12:25

2 stops16h 15m

HK$5,589

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 12-4

18:45-18:15

2 stops24h 30m

Ko Samui

Tue 15-4

08:20-22:05

2 stops12h 45m

HK$8,481

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 5-5

16:55-07:20

1 stop15h 25m

HK$1,135

Flights are sorted by cheapest return flights first.

Deals found on 24-3

Showing 1-10 of 19 results
1
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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 Insights

Everything you need to know about your flight to Ko Samui

When is the best time to book a flight to Ko Samui?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Ko Samui. Price data was last updated on 21 March 2025.

The price you pay for your flight to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Ko Samui?

On average, a flight from Hong Kong to Ko Samui takes 3 hours 20 minutes. Flights to Ko Samui from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Ko Samui?

Use this chart to determine the cheapest time to fly return from Hong Kong to Ko Samui. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Ko Samui should consider flying on Wednesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Tuesday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Ko Samui?

The most popular airlines flying from Hong Kong to Ko Samui are Bangkok Airways and Cathay Pacific.

Bangkok Airways

Bangkok Airways

From HK$421

Cathay Pacific

Cathay Pacific

From HK$540

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from Hong Kong to Ko Samui are Bangkok Airways and Cathay Pacific.

Rainfall in Ko Samui by month

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

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

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

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).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service 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 25 March 2025.
Read through reviews of airlines servicing Ko Samui, such as EVA Air, Emirates and Bangkok Airways. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Food

8.0

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
EVA Air
8.4
Very Good
1,169 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Food

8.0

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Emirates
8.0
Very Good
3,190 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Food

8.0

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Bangkok Airways
7.9
Good
106 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Food

8.0

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Vietnam Airlines
7.6
Good
192 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Food

8.0

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Cathay Pacific
7.5
Good
834 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Food

8.0

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

FAQs about flying to Ko Samui

  • What airport do you fly into for flights to Ko Samui?

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre. On average, Ko Samui has 6 flights from Hong Kong per day from 2 airlines.

  • Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ko Samui?

    Based on reviews from Cheapflights users, Bangkok Airways is rated the highest out of the airlines that fly to Ko Samui.

  • What is the cheapest airport to fly to in Ko Samui?

    Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost HK$1,185, while return flights cost around HK$1,416.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around HK$187, however they can be found for as little as HK$182.

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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How does Cheapflights help users find flights to Ko Samui?

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Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui.

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Yes, we can. To see specific flights to Ko Samui with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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