Hong Kong to Koh Samui flights
Round trip · Economy · Prices per person in USD
Prices updated
Prices are low right now
$372 is $125 (25%) below the usual $497 for Hong Kong → Koh Samui.
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Hong Kong → Koh Samui drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $372 (cheapest month) |
| November 2026 | $394 |
| December 2026 | $498 |
| January 2027 | $484 |
| February 2027 | No fares found yet |
| March 2027 | $497 |
| April 2027 | $506 |
| May 2027 | No fares found yet |
| June 2027 | No fares found yet |
| July 2027 | $503 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 27 – Nov 5 9 nights · leave Tue$372 −25% vs usual$372 −25% vs usual Book
HK Express 1 stop · 4h 40m -
Nov 2 – 15 13 nights · leave Mon$394 −21% vs usual$394 −21% vs usual Book
HK Express 1 stop · 4h 15m
-
Oct 30 – Nov 14 15 nights · leave Fri$395 −21% vs usual$395 −21% vs usual Book
HK Express 1 stop · 4h 40m
-
Nov 8 – 22 14 nights · leave Sun$396 −20% vs usual$396 −20% vs usual Book
HK Express 1 stop · 4h 15m
-
Nov 16 – 22 6 nights · leave Mon$397 −20% vs usual$397 −20% vs usual Book
HK Express 1 stop · 4h 15m
-
Oct 31 – Nov 15 15 nights · leave Sat$401 −19% vs usual$401 −19% vs usual Book
HK Express 1 stop · 4h 15m
-
Nov 8 – 19 11 nights · leave Sun$408 −18% vs usual$408 −18% vs usual Book
HK Express 1 stop · 4h 15m
-
Oct 9 – 14 5 nights · leave Fri$422 −15% vs usual$422 −15% vs usual Book
HK Express 1 stop · 3h 55m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Airport transfer to Koh Samui
Fixed prices from USM on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Koh Samui · Oct 27 – Nov 5Travel insurance · EKTA Airport transfer · Kiwitaxi
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Good to know
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Hong Kong to Koh Samui: questions
How much is a flight from Hong Kong to Koh Samui?
The cheapest round trip we have found right now is $372, leaving October 27 and returning November 5. The usual price on this route is about $497, so this fare is 25% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Hong Kong to Koh Samui?
October 2026, with round trips from $372. The most expensive month in our data is April (from $506). Based on the 7 months ahead we have prices for.
What is the cheapest day to fly from Hong Kong to Koh Samui?
Leaving on a Sunday. Typical fare $408, vs $442 across all days.
About this route
We track round-trip economy fares from Hong Kong (Hong Kong) to Koh Samui (Thailand) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $372, departing October 27 and returning November 5, about 25% below the usual $497. Right now we're following 22 upcoming date combinations on this route. The cheapest month to fly in our data is October, from $372. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.