$903 Cheap Flights from Newcastle (NTL) to Samui Intl. Airport (USM)

View $903 flight on Mon, Apr 6, 2026Opens in a new window

Popular airlines from Newcastle, NSW (NTL-Williamtown) to Samui Intl. Airport (USM)

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Cheap Flights from Newcastle to Samui Intl. Airport (NTL-USM)

Prices were available within the past 7 days and start at $903 for one-way flights and $1,428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,428 Roundtrip, found 3 days ago
$1,428
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,428 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,434 Roundtrip, found 3 days ago
$1,434
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,434 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,440 Roundtrip, found 3 days ago
$1,440
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,440 found 3 days ago
Jetstar
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,445 Roundtrip, found 3 days ago
$1,445
Roundtrip
found 3 days ago
Select Jetstar flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,445 found 3 days ago
Jetstar
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,470 Roundtrip, found 3 days ago
$1,470
Roundtrip
found 3 days ago
Select Jetstar flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,470 found 3 days ago
Jetstar
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,475 Roundtrip, found 3 days ago
$1,475
Roundtrip
found 3 days ago
Select Jetstar flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,475 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,526 Roundtrip, found 3 days ago
$1,526
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,526 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,532 Roundtrip, found 3 days ago
$1,532
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,532 found 3 days ago
Jetstar
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,538 Roundtrip, found 3 days ago
$1,538
Roundtrip
found 3 days ago
Select Jetstar flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,538 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,555 Roundtrip, found 3 days ago
$1,555
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,555 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,561 Roundtrip, found 3 days ago
$1,561
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,561 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,565 Roundtrip, found 3 days ago
$1,565
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,565 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,571 Roundtrip, found 3 days ago
$1,571
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,571 found 3 days ago
Qantas Airways
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,577 Roundtrip, found 3 days ago
$1,577
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,577 found 3 days ago
Jetstar
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,578 Roundtrip, found 3 days ago
$1,578
Roundtrip
found 3 days ago
Select Jetstar flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,578 found 3 days ago
Jetstar
Mon, Apr 6 - Mon, Apr 13
NTL
Newcastle
USM
Koh Samui
$1,583 Roundtrip, found 3 days ago
$1,583
Roundtrip
found 3 days ago
Select Jetstar flight, departing Mon, Apr 6 from Newcastle to Koh Samui, returning Mon, Apr 13, priced at $1,583 found 3 days ago

Frequently asked questions

How much does a flight from Williamtown Airport (NTL) to Ko Samui Airport (USM) cost?
Lock in a cheap one-way flight from $903 or cheap return flight from $1,428 from Williamtown Airport (NTL) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Williamtown Airport (NTL) to Ko Samui Airport (USM)?
The cheapest month to fly from NTL to USM is April, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Williamtown Airport (NTL) to Ko Samui Airport (USM)?
To find the cheapest airline flying from NTL to USM, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Williamtown Airport (NTL) to Ko Samui Airport (USM)?
You'll need to catch a flight with a layover if you're traveling from Williamtown Airport (NTL) to Ko Samui Airport (USM). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from NTL to USM?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Williamtown Airport (NTL) to Ko Samui Airport (USM)?
Choose a flight from Williamtown Airport (NTL) to Ko Samui Airport (USM) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Williamtown Airport (NTL) to Ko Samui Airport (USM) last-minute?
Booking your plane ticket from NTL to USM shortly before your journey is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a NTL to USM flight and hotel package?
You'll generally save money by booking a NTL to USM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Williamtown Airport (NTL) to Ko Samui Airport (USM)?
If you booked your NTL to USM flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Origin airport
Williamtown
Destination airport
Samui Intl. Airport
Roundtrip price
$1,428
Distance
4489 mi

Book with confidence

Newcastle to Samui Intl. Airport Flights

The cheapest times to fly from Newcastle to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newcastle to Samui Intl. Airport are during the month of April. You can find some of the cheapest flights from Newcastle to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newcastle to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Newcastle to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Newcastle to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newcastle to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $903 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newcastle to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newcastle to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Newcastle to Samui Intl. Airport Flights
*Available to One Key members.