Hong Kong to Koh Samui flights
The cheapest round trip we found from Hong Kong to Koh Samui is $472 (Nov 19 – 24, 1 stop), 1% below the usual $477.
HKG to USM · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $472 |
| December 2026 | $487 |
| January 2027 | $479 |
| February 2027 | $475 |
| March 2027 | $461 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 19 – 24 5 nights · leave Thu$472$472 Book
HK Express 1 stop · 4h 45m -
Jan 24 – 29, 2027 5 nights · leave Sun$479$479 Book
Thai Lion Air 1 stop · 4h 20m -
Jan 2 – 12, 2027 10 nights · leave Sat$490$490 Book
HK Express 1 stop · 4h 35m
-
Jan 11 – 25, 2027 14 nights · leave Mon$508 +6% vs usual$508 +6% vs usual Book
HK Express 1 stop · 4h 10m
-
Jan 15 – 17, 2027 2 nights · leave Fri$513 +8% vs usual$513 +8% vs usual Book
HK Express 2 stops · 4h 20m
-
Nov 16 – 22 6 nights · leave Mon$520 +9% vs usual$520 +9% vs usual Book
Scoot 1 stop · 6h 10m -
Jan 31 – Feb 7, 2027 7 nights · leave Sun$550 +15% vs usual$550 +15% vs usual Book
HK Express 1 stop · 4h 10m
-
Jan 10 – 15, 2027 5 nights · leave Sun$554 +16% vs usual$554 +16% vs usual Book
HK Express 1 stop · 4h 40m
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 · Nov 19 – 24- eSIM for Thailand Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental in Thailand Economybookings · compare rental companies (opens Economybookings in a new tab)
- Things to do in Koh Samui Klook · tours and tickets (opens Klook in a new tab)
Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Flights to Koh Samui from other cities
Hong Kong to Koh Samui: questions
How much does a flight from Hong Kong to Koh Samui cost?
The cheapest round trip we have found right now is $472, leaving November 19 and returning November 24. The usual price on this route is about $477, so this fare is 1% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Hong Kong to Koh Samui?
March 2027, with round trips from $461. The most expensive month in our data is December (from $487). Based on the 5 months ahead we have prices for.
Which airports do Hong Kong to Koh Samui flights use?
Hong Kong airports include Hong Kong International (HKG). Koh Samui airports include Koh Samui (USM). The prices on this page cover every airport in both cities (HKG and USM are the city codes).
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 $472, departing November 19 and returning November 24, about 1% below the usual $477. Right now we're following 18 upcoming date combinations on this route. The cheapest month to fly in our data is March, from $461. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.