Find flights
Deals
Airlines
Travel Guide

HK$1,141+ 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 12-5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
26 Apr — 3 May1
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 21 April 2025.

Return from

HK$2,320

One-way from

HK$1,141

Popular in

April

Cheapest in

November

Average price

HK$4,835

Good round-trip deal

HK$3,655 or less
5-6-12-6
  • 5-6-12-6
  • 2 total stops
  • 31h 05m total
  • Hong Kong to Ko Samui
12-5
  • 12-5
  • 1 total stop
  • 24h 40m total
  • Hong Kong to Ko Samui
Highest demand for flights based on searches. 2% potential increase in price (HK$825 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (HK$355 potential savings vs. average return price).
Average for return flights in April 2025
Price to beat on a round-trip flight from Hong Kong Intl to Ko Samui.

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 21 April 2025.

Thu 5-607:40HKG - USM
1 stop24h 40mMultiple Airlines
Thu 12-607:00USM - HKG
1 stop6h 25mMultiple Airlines
Deal found 21-4HK$2,320
Mon 20-1021:30HKG - USM
1 stop16h 15mEmirates
Thu 30-1009:20USM - HKG
1 stop7h 20mEmirates
Deal found 20-4HK$3,236
Sat 4-1009:05HKG - USM
1 stop10h 25mSingapore Airlines
Sat 11-1008:45USM - HKG
1 stop13h 15mSingapore Airlines
Deal found 20-4HK$3,515
Thu 5-616:15HKG - USM
Nonstop3h 20mBangkok Airways
Thu 12-610:55USM - HKG
Nonstop3h 20mBangkok Airways
Deal found 21-4HK$3,523

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 21 April 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

Thu 5-6

07:40-07:20

1 stop24h 40m

Ko Samui

Thu 12-6

07:00-14:25

1 stop6h 25m

HK$2,320

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 2-6

21:30-09:20

1 stop12h 50m

Ko Samui

Mon 9-6

08:45-18:05

1 stop8h 20m

HK$3,298

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 4-10

09:05-18:30

1 stop10h 25m

Ko Samui

Sat 11-10

08:45-23:00

1 stop13h 15m

HK$3,515

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 5-6

16:15-18:35

Nonstop3h 20m

Ko Samui

Thu 12-6

10:55-15:15

Nonstop3h 20m

HK$3,523

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 26-9

17:10-07:20

2 stops15h 10m

Ko Samui

Sat 4-10

07:00-19:55

2 stops11h 55m

HK$4,152

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 12-5

07:40-07:20

1 stop24h 40m

HK$1,141

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 19-7

19:20-07:50

1 stop13h 30m

HK$1,684

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 5-6

16:15-18:35

Nonstop3h 20m

HK$2,025

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 26-7

16:15-18:35

Nonstop3h 20m

HK$2,095

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 12-5

16:15-18:35

Nonstop3h 20m

HK$2,569

Flights are sorted by cheapest return flights first.

Deals found on 20-4

Showing 1-10 of 17 results
1
2

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 18 April 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.

Weekly flight availability to Ko Samui

The most flights from Hong Kong to Ko Samui are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 21 April 2025.
Read through reviews of airlines servicing Ko Samui, such as EVA Air, Garuda Indonesia and Singapore Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

  • 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

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.

Find the best flight deals to Ko Samui

Some of the lowest fares we’ve come across for flights to Ko Samui.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Ko Samui?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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.

Can Cheapflights find flights to Ko Samui with no change fees?

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.

Can Cheapflights notify me if prices for flights to Ko Samui become cheaper?

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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.