Cheap Flights from Sydney (SYD) to Samui Intl. Airport (USM)

View AU$300 flight on Sat, 25 Oct. 2025Opens in a new window

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Cheap Flights from Sydney (SYD) to Samui Intl. Airport (USM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Sat., 1 Nov. - Thu., 6 Nov.
SYD
Sydney
USM
Koh Samui
AU$599 Return, found 18 hours ago
AU$599
Return
found 18 hours ago
Select Scoot flight, departing Sat., 1 Nov. from Sydney to Koh Samui, returning Thu., 6 Nov., priced at AU$599 found 18 hours ago
Scoot
Sat., 25 Oct. - Fri., 31 Oct.
SYD
Sydney
USM
Koh Samui
AU$614 Return, found 1 hour ago
AU$614
Return
found 1 hour ago
Select Scoot flight, departing Sat., 25 Oct. from Sydney to Koh Samui, returning Fri., 31 Oct., priced at AU$614 found 1 hour ago
Scoot
Sat., 1 Nov. - Thu., 6 Nov.
SYD
Sydney
USM
Koh Samui
AU$619 Return, found 18 hours ago
AU$619
Return
found 18 hours ago
Select Scoot flight, departing Sat., 1 Nov. from Sydney to Koh Samui, returning Thu., 6 Nov., priced at AU$619 found 18 hours ago
Scoot
Mon., 5 May - Mon., 19 May
SYD
Sydney
USM
Koh Samui
AU$630 Return, found 3 hours ago
AU$630
Return
found 3 hours ago
Select Scoot flight, departing Mon., 5 May from Sydney to Koh Samui, returning Mon., 19 May, priced at AU$630 found 3 hours ago
Scoot
Tue., 20 May - Wed., 28 May
SYD
Sydney
USM
Koh Samui
AU$634 Return, found 17 hours ago
AU$634
Return
found 17 hours ago
Select Scoot flight, departing Tue., 20 May from Sydney to Koh Samui, returning Wed., 28 May, priced at AU$634 found 17 hours ago
Scoot
Wed., 21 May - Mon., 2 Jun.
SYD
Sydney
USM
Koh Samui
AU$650 Return, found 18 hours ago
AU$650
Return
found 18 hours ago
Select Scoot flight, departing Wed., 21 May from Sydney to Koh Samui, returning Mon., 2 Jun., priced at AU$650 found 18 hours ago
Scoot
Sat., 25 Oct. - Fri., 31 Oct.
SYD
Sydney
USM
Koh Samui
AU$651 Return, found 1 hour ago
AU$651
Return
found 1 hour ago
Select Scoot flight, departing Sat., 25 Oct. from Sydney to Koh Samui, returning Fri., 31 Oct., priced at AU$651 found 1 hour ago
Scoot
Tue., 23 Sep. - Tue., 30 Sep.
SYD
Sydney
USM
Koh Samui
AU$655 Return, just found
AU$655
Return
just found
Select Scoot flight, departing Tue., 23 Sep. from Sydney to Koh Samui, returning Tue., 30 Sep., priced at AU$655 just found
Scoot
Sat., 1 Nov. - Sun., 9 Nov.
SYD
Sydney
USM
Koh Samui
AU$666 Return, just found
AU$666
Return
just found
Select Scoot flight, departing Sat., 1 Nov. from Sydney to Koh Samui, returning Sun., 9 Nov., priced at AU$666 just found
Scoot
Fri., 20 Jun. - Sun., 29 Jun.
SYD
Sydney
USM
Koh Samui
AU$671 Return, found 1 day ago
AU$671
Return
found 1 day ago
Select Scoot flight, departing Fri., 20 Jun. from Sydney to Koh Samui, returning Sun., 29 Jun., priced at AU$671 found 1 day ago

Frequently asked questions

How much is a flight from Sydney Airport to USM?
Round-trip flights between Sydney Airport and USM start from AU$599. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Kingsford Smith Intl. Airport (SYD) to Samui Airport?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from SYD to USM that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sydney Airport to Ko Samui Airport (USM) flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from SYD to USM?
The flight time from Kingsford Smith Intl. Airport (SYD) (SYD) to Ko Samui Airport (USM) is generally 10 hours and 32 minutes. It’s is no quick joyride, so make sure you fill your carry-on with plenty to keep you occupied.
How far is the flight from Sydney Airport to Samui Airport?
The distance is around 7 200 kilometres. Travel pillow? Check. Toiletries? Double check. We recommend you pack all the travel comforts for this long-haul Sydney to Koh Samui flight.
Which airlines fly direct from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
There are no direct flights, so you’ll have to make at least one stop between Mascot Airport and USM. Take advantage of the layover time to stretch your legs and take a break.
Are SYD to Samui Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some super cheap airfares from SYD to Ko Samui Airport arising a few weeks prior to the departure date. If you’d rather book ahead of time, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices that far in advance.
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