Cheap Flights to Koh Samui Islands from HK$869

View HK$869 flight on Fri, 19 Jun 2026Opens in a new window

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Cheap round-trip flights to Koh Samui Islands

Prices were available within the past 7 days and start at HK$869 for one-way flights and HK$1,814 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sun, 24 May - Sun, 31 May
KBV
Krabi
USM
Koh Samui
HK$1,814 Return, found 19 hours ago
HK$1,814
Return
found 19 hours ago
Select Bangkok Airways flight, departing Sun, 24 May from Krabi to Koh Samui, returning Sun, 31 May, priced at HK$1,814 found 19 hours ago
Scoot
Sat, 10 Jan - Wed, 21 Jan
SGN
Ho Chi Minh City
USM
Koh Samui
HK$2,959 Return, found 6 days ago
HK$2,959
Return
found 6 days ago
Select Scoot flight, departing Sat, 10 Jan from Ho Chi Minh City to Koh Samui, returning Wed, 21 Jan, priced at HK$2,959 found 6 days ago
Singapore Airlines
Tue, 13 Jan - Tue, 20 Jan
HKG
Hong Kong SAR
USM
Koh Samui
HK$3,605 Return, just found
HK$3,605
Return
just found
Select Singapore Airlines flight, departing Tue, 13 Jan from Hong Kong SAR to Koh Samui, returning Tue, 20 Jan, priced at HK$3,605 just found
Vietnam Airlines
Thu, 23 Apr - Tue, 28 Apr
DAD
Da Nang
USM
Koh Samui
HK$3,618 Return, found 3 days ago
HK$3,618
Return
found 3 days ago
Select Vietnam Airlines flight, departing Thu, 23 Apr from Da Nang to Koh Samui, returning Tue, 28 Apr, priced at HK$3,618 found 3 days ago
Thai Airways International
Mon, 9 Mar - Tue, 17 Mar
HKG
Hong Kong SAR
USM
Koh Samui
HK$4,015 Return, found 1 hour ago
HK$4,015
Return
found 1 hour ago
Select Thai Airways International flight, departing Mon, 9 Mar from Hong Kong SAR to Koh Samui, returning Tue, 17 Mar, priced at HK$4,015 found 1 hour ago

Are you planning the vacation of a lifetime to Koh Samui? If so, Expedia wants to show you deals of a lifetime on flights to Koh Samui. We make planning an exotic and luxurious vacation easy, as you never have to worry about the hassle of searching all over the Internet to find the lowest prices on airplane seats again. We put all the information you need to book your reservation in one place. We even make it possible to drastically cut the cost of your vacation by taking advantage of our exclusive discount specials on travel packages. A world of wild coconut trees and coral reefs is waiting for you in this beautiful destination, and Expedia can save you more than the cost of a few coconuts when you buy your tickets to Koh Samui using our great offers. Get ready to embrace an island of white sand and beauty.

Cheap Koh Samui airfare is available on Expedia. All you have to do to find cheap flights to Koh Samui is to search for a departure destination and a time suiting your schedule. You even have the freedom to browse for flights based on your preferred airline carrier. We work with all the major airlines to bring you exclusive deals on Koh Samui flights.

You never travel alone when you plan your trip with Expedia. Help is available every step of the way while booking your plane seat. Our friendly travel experts are always standing by to answer any questions you have regarding the best choices for accommodations. We can also provide you with information regarding how to combine your reservations to get the lowest prices on your airplane seat, hotel, and other travel needs. Let us help you cut the expense of your trip without cutting the fun. We help people from every corner of the world plan lovely vacations to Koh Samui, so book tour tickets to Koh Samui today.

Frequently asked questions

How do I find cheap flights to Koh Samui Islands that have flexible change policies?
By using our clever "No change fee" filter, that's how. Simply type in your preferred dates and destination, click the "Search" button, then tick the box directly under the "Flexible change policies" subheading (look to the left of your screen). Expedia makes it easy to find flexible and affordable airfares to Koh Samui Islands.
How can I find cheap tickets to Koh Samui Islands?
To pick up an awesome deal to Koh Samui Islands, book well ahead. Also use Expedia's "flexible dates" link above your search results. This will list prices for the days around your travel dates. In the last seven days, HK$1,814 was the lowest price for a flight to Koh Samui Islands.
How much is a flight to Koh Samui Islands?
There were lots of low-cost fares up for grabs in the last seven days, with the cost of a return flight to Koh Samui Islands varying between HK$1,814 and HK$4,015. Many lucky travellers locked in one-way flights from Krabi (KBV) for as low as HK$869.
When is the cheapest time to fly to Koh Samui Islands?
Flying on a Tuesday, followed by a Monday, is usually the best way to bag the cheapest fare. Stay away from the weekends if possible, because Saturday is typically the most expensive day of the week. Spend the money you saved enjoying yourself in Koh Samui Islands instead!
How much is a plane ticket to Koh Samui Islands?
In the last seven days, fares cost between HK$1,814 and HK$4,015. Browse through our sensational deals to Koh Samui Islands, pick your favorite and then get packing!
What months are the cheapest to book a flight to Koh Samui Islands?
To secure a low-cost flight to Koh Samui Islands, book sometime in February when the price of airfares are at their cheapest. The most expensive time to book? In the USA, it's the month of December.
Flights to Koh Samui Islands information
Destination airport
Samui Intl. Airport
Destination airport IATA code
USM
Destination city name
Samui Intl. Airport
Return price
HK$1,814

Trending flights to Koh Samui Islands

Prices were available within the past 7 days and start at HK$869 for one-way flights and HK$1,814 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Wed, 14 Jan - Wed, 21 Jan
HKG
Hong Kong SAR
USM
Koh Samui
HK$3,374 Return, found 2 days ago
HK$3,374
Return
found 2 days ago
Select Scoot flight, departing Wed, 14 Jan from Hong Kong SAR to Koh Samui, returning Wed, 21 Jan, priced at HK$3,374 found 2 days ago

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