Cheap Flights to Koh Samui Islands

View AU$160 flight on Thu, 4 June 2026Opens in a new window

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Cheap Tickets to Koh Samui Islands

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Fri, 8 May - Tue, 12 May
HKT
Phuket
USM
Koh Samui
AU$327 Return, just found
AU$327
Return
just found
Select Bangkok Airways flight, departing Fri, 8 May from Phuket to Koh Samui, returning Tue, 12 May, priced at AU$327 just found
Scoot
Thu, 15 Oct - Fri, 23 Oct
KUL
Kuala Lumpur
USM
Koh Samui
AU$425 Return, found 2 days ago
AU$425
Return
found 2 days ago
Select Scoot flight, departing Thu, 15 Oct from Kuala Lumpur to Koh Samui, returning Fri, 23 Oct, priced at AU$425 found 2 days ago
Singapore Airlines
Thu, 8 Oct - Thu, 15 Oct
DPS
Bali
USM
Koh Samui
AU$501 Return, found 2 days ago
AU$501
Return
found 2 days ago
Select Singapore Airlines flight, departing Thu, 8 Oct from Bali to Koh Samui, returning Thu, 15 Oct, priced at AU$501 found 2 days ago
Thai Airways International
Mon, 18 May - Wed, 20 May
SGN
Ho Chi Minh City
USM
Koh Samui
AU$692 Return, found 21 hours ago
AU$692
Return
found 21 hours ago
Select Thai Airways International flight, departing Mon, 18 May from Ho Chi Minh City to Koh Samui, returning Wed, 20 May, priced at AU$692 found 21 hours ago
Vietnam Airlines
Mon, 18 May - Wed, 20 May
SGN
Ho Chi Minh City
USM
Koh Samui
AU$745 Return, found 21 hours ago
AU$745
Return
found 21 hours ago
Select Vietnam Airlines flight, departing Mon, 18 May from Ho Chi Minh City to Koh Samui, returning Wed, 20 May, priced at AU$745 found 21 hours ago

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, AU$327 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 AU$327 and AU$745. Many lucky travellers locked in one-way flights from Phuket (HKT) for as low as AU$160.
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 AU$327 and AU$745. Browse through our sensational deals to Koh Samui Islands, pick your favourite 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.

Travel information

Destination airport
Samui Intl. Airport
Destination airport IATA code
USM
Destination city name
Samui Intl. Airport
Return price
AU$327

Trending flights to Koh Samui Islands

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Tue, 20 Oct - Wed, 28 Oct
PER
Perth
USM
Koh Samui
AU$612 Return, found 1 day ago
AU$612
Return
found 1 day ago
Select Scoot flight, departing Tue, 20 Oct from Perth to Koh Samui, returning Wed, 28 Oct, priced at AU$612 found 1 day ago

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