Cheap flights from Hong Kong to Koh Samui

Hong Kong
HKG
Koh Samui
USM

Flight deals from Hong Kong to Koh Samui

Below you can see the best deals on flights Hong Kong — Koh Samui for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 13 October, from $202.

Top 10 cheap flights from Hong Kong to Koh Samui

UO
PG
$ 222

Hong Kong — Koh Samui

16:55—07:10
22 Sep 2026
15 h 15 m
1 stop
UO
PG
$ 222

Hong Kong — Koh Samui

13:30—07:10
22 Sep 2026
18 h 40 m
1 stop
UO
PG
$ 222

Hong Kong — Koh Samui

07:25—07:10
22 Sep 2026
24 h 45 m
1 stop
UO
PG
$ 223

Hong Kong — Koh Samui

16:55—07:10
21 Sep 2026
15 h 15 m
1 stop
UO
PG
$ 223

Hong Kong — Koh Samui

13:30—07:10
21 Sep 2026
18 h 40 m
1 stop
UO
PG
$ 223

Hong Kong — Koh Samui

07:25—07:10
21 Sep 2026
24 h 45 m
1 stop
SL
PG
$ 225

Hong Kong — Koh Samui

14:20—07:10
21 Sep 2026
17 h 50 m
1 stop
TR
TR
$ 234

Hong Kong — Koh Samui

20:45—17:20
11 Sep 2026
21 h 35 m
1 stop
TR
TR
$ 234

Hong Kong — Koh Samui

20:45—18:50
11 Sep 2026
23 h 5 m
1 stop
UO
PG
$ 234

Hong Kong — Koh Samui

07:55—19:15
6 Sep 2026
12 h 20 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Hong Kong — Koh Samui flight

Looking for cheap flights from Hong Kong to Koh Samui? Compare fares from different airlines, check the flight schedule and travel time — and book your Hong Kong — Koh Samui ticket online at the best price.

The route has direct flights — around 21 flights per week, flights are operated by Bangkok Airways, Cathay Pacific, Etihad, Hong Kong Airlines and 4 more airlines, a nonstop flight takes about 3 h 20 min, the distance between the cities is around 2,069 km.

Planning your trip? You may find our Koh Samui travel guide, how to get from the airport into town and Koh Samui weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $202Min. price
OctoberCheapest
JulyPeak season
YesDirect flights
2,069 kmDistance
3 h 20 minTravel time
8Airlines
21 / wkFlights

Flight schedule from Hong Kong to Koh Samui

The table shows direct flights from Hong Kong to Koh Samui on the selected date. The flight takes approximately 3 h 20 min. Regular flights are operated by Bangkok Airways, Cathay Pacific, Etihad and Hong Kong Airlines. Departures from Hong Kong International Airport airports, arrivals at Koh Samui Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 26 Aug 2026

Flight ticket prices by day: Hong Kong — Koh Samui

Below is a calendar of the lowest flight ticket prices for Hong Kong — Koh Samui by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $202 in October, and the most expensive are around $322 in July. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Hong Kong to Koh Samui by month. Tickets are usually cheapest in October (around $288) and priciest in January (about $420) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$420highMay$336mediumSep$300low
Feb$396highJun$348mediumOct$288low
Mar$360mediumJul$396highNov$300low
Apr$348mediumAug$408highDec$408high

Some values are estimated based on seasonality.

When to fly

Weather in Koh Samui: it is warmest in May (up to 30 °C on average) and coolest in January (around 27 °C). The driest month is March.

Tickets are usually cheapest in October and most expensive in July. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Koh Samui

Dry and wet days · Koh Samui

Wind speed and direction · Koh Samui

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How to get the best deal on a Hong Kong — Koh Samui ticket

  • Book ahead: fares for Hong Kong — Koh Samui are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Koh Samui is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Hong Kong — Koh Samui route are operated by 8 airlines; Bangkok Airways runs the most flights (around 67% of all flights). Compare carriers, flight shares and schedules below.

  • Bangkok AirwaysPG
    5x/week
    WebsiteFleet: 254.3M pax/year
    • Direct flight HKG → USM5x/week
      Duration
      3h 20m
      Days
      MTWTFSS
    66.7%Open →
  • Cathay PacificCX
    1x/week
    WebsiteFleet: 18018M pax/year
    • Direct flight HKG → USM1x/week
    4.8%Open →
  • EtihadEY
    1x/week
    WebsiteFleet: 9714M pax/year
    • Direct flight HKG → USM1x/week
    4.8%Open →
  • Hong Kong AirlinesHX
    1x/week
    WebsiteFleet: 213.5M pax/year
    • Direct flight HKG → USM1x/week
    4.8%Open →
  • KLMKL
    1x/week
    WebsiteFleet: 11230.3M pax/year
    • Direct flight HKG → USM1x/week
    4.8%Open →
  • Qatar AirwaysQR
    1x/week
    WebsiteFleet: 26640M pax/year
    • Direct flight HKG → USM1x/week
    4.8%Open →
  • FinnairAY
    1x/week
    WebsiteFleet: 7911M pax/year
    • Direct flight HKG → USM1x/week
    4.8%Open →
  • Thai AirwaysTG
    1x/week
    WebsiteFleet: 7715M pax/year
    • Direct flight HKG → USM1x/week
    4.8%Open →

Cities and airports on the Hong Kong — Koh Samui route

Flights Hong Kong — Koh Samui depart from Hong Kong International Airport and arrive at Koh Samui Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Hong Kong

HKG
Hong Kong
About the cityHow to get thereWeatherAll about the country Hong Kong
Arrival

Koh Samui

USM
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Departure airports
Arrival airports

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Frequently asked questions about the Hong Kong — Koh Samui flight

How long is the flight from Hong Kong to Koh Samui?

A nonstop Hong Kong — Koh Samui flight takes about 3 h 20 min — the distance between the cities is around 2,069 km.

How far is it from Hong Kong to Koh Samui?

The distance from Hong Kong to Koh Samui is about 2,069 km, which a nonstop flight covers in around 3 h 20 min.

Are there direct flights from Hong Kong to Koh Samui?

Yes, there are nonstop flights Hong Kong — Koh Samui — around 21 flights per week.

Which airlines fly from Hong Kong to Koh Samui?

Airlines operating Hong Kong — Koh Samui include Bangkok Airways, Cathay Pacific, Etihad, Hong Kong Airlines, KLM. See the full list with schedules in the "Airlines" section on this page.

Which airports do Hong Kong — Koh Samui flights use?

Flights from Hong Kong depart from Hong Kong International Airport, and arrive at Koh Samui Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Hong Kong to Koh Samui?

The price of a Hong Kong — Koh Samui ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in July. Tickets typically cost between $202 and $322. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Hong Kong — Koh Samui?

Flights Hong Kong — Koh Samui are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Hong Kong to Koh Samui?

To catch a low fare Hong Kong — Koh Samui, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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