Cheap flights from Hong Kong to Koh Samui

One-way fares from US$150 · HKG → USM · prices found by travellers in the last 48 hours

Compare all dates Koh Samui → Hong Kong
Cheapest fare
US$150

Bangkok Airways · Fri, 6 Nov

Cheapest month
November

from US$150

Direct flights
Yes

Bangkok Airways

Flight time
3h 30m

2,070 km

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Cheapest month to fly from Hong Kong to Koh Samui

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest US$150
  2. December 2026 US$210
  3. January 2027 US$190
  4. February 2027 US$192
  5. March 2027 US$193
  6. April 2027 US$191
  7. June 2027 US$227
  8. July 2027 US$195
  9. August 2027 US$239

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Bangkok Airways
Depart17:05 Fri, 6 NovHKG → USM 3h 30m · Direct
US$150one way, per person
View deal
Thai Lion Air
Depart14:00 Wed, 11 NovHKG → USM 3h 55m · 1 stop
US$177one way, per person
View deal
HK Express
Depart16:55 Mon, 9 NovHKG → USM 4h 15m · 1 stop
US$182one way, per person
View deal
HK Express
Depart16:55 Tue, 17 NovHKG → USM 4h 15m · 1 stop
US$182one way, per person
View deal
HK Express
Depart21:40 Sat, 28 NovHKG → USM 4h 10m · 1 stop
US$182one way, per person
View deal
HK Express
Depart07:50 Sun, 29 NovHKG → USM 4h 15m · 1 stop
US$183one way, per person
View deal
HK Express
Depart16:55 Wed, 18 NovHKG → USM 4h 15m · 1 stop
US$189one way, per person
View deal
HK Express
Depart16:55 Wed, 25 NovHKG → USM 4h 15m · 1 stop
US$189one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Koh Samui

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Koh SamuiCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Koh SamuiTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Koh SamuiPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Koh SamuiCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for ThailandMobile data from the moment you land, by Airalo Get eSIM →

About flights from Hong Kong to Koh Samui

Hong Kong (HKG) and Koh Samui (USM) are about 2,070 km apart. Direct flights take around 3h 30m, and recent direct fares were with Bangkok Airways. Over the next few months, one-way fares start from US$150, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

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

The cheapest one-way fare we've seen recently is US$150 with Bangkok Airways, departing Friday, 6 November 2026. Over the coming months, the lowest fare in each month ranges from US$150 to US$239.

What is the cheapest month to fly from Hong Kong to Koh Samui?

November 2026 currently has the lowest fares, from US$150 one way.

Are there direct flights from Hong Kong to Koh Samui?

Yes. Recent direct fares were with Bangkok Airways.

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

A direct flight takes about 3h 30m. Hong Kong and Koh Samui are around 2,070 km apart.

Which airlines fly from Hong Kong to Koh Samui?

Recent fares on this route were with Bangkok Airways, HK Express, Thai Lion Air and Emirates.

More cheap flights from Hong Kong

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