$584 Cheap Flights from Austin (AUS) to Samui Intl. Airport (USM)

View $584 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Samui Intl. Airport (USM)

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Cheap Flights from Austin to Samui Intl. Airport (AUS-USM)

Prices were available within the past 7 days and start at $584 for one-way flights and $895 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$895 Roundtrip, found 5 days ago
$895
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $895 found 5 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$903 Roundtrip, found 5 days ago
$903
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $903 found 5 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$903 Roundtrip, found 2 days ago
$903
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $903 found 2 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$910 Roundtrip, found 5 days ago
$910
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $910 found 5 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$911 Roundtrip, found 12 hours ago
$911
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $911 found 12 hours ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$915 Roundtrip, found 5 days ago
$915
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $915 found 5 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$915 Roundtrip, found 12 hours ago
$915
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $915 found 12 hours ago
Lufthansa
Sun, Dec 7 - Mon, Feb 2
AUS
Austin
USM
Koh Samui
$1,680 Roundtrip, found 5 days ago
$1,680
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, Dec 7 from Austin to Koh Samui, returning Mon, Feb 2, priced at $1,680 found 5 days ago
Singapore Airlines
Tue, Jan 20 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$1,749 Roundtrip, found 12 hours ago
$1,749
Roundtrip
found 12 hours ago
Select Singapore Airlines flight, departing Tue, Jan 20 from Austin to Koh Samui, returning Tue, Jan 27, priced at $1,749 found 12 hours ago
British Airways
Tue, Jan 20 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$2,275 Roundtrip, found 12 hours ago
$2,275
Roundtrip
found 12 hours ago
Select British Airways flight, departing Tue, Jan 20 from Austin to Koh Samui, returning Tue, Jan 27, priced at $2,275 found 12 hours ago

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $946
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $946
Flights from Austin (AUS) to Samui Intl. Airport (USM)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Samui Intl. Airport
Airlines serving
British Airways, Singapore Airlines
Roundtrip price
$895
Distance
9447 mi

Austin to Samui Intl. Airport Flights

The cheapest times to fly from Austin 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 Austin to Samui Intl. Airport are during the month of January. You can find some of the cheapest flights from Austin to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $584 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 Austin 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 Austin 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.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM) cost?
Secure a cheap one-way flight from $584 or cheap return flight from $895 from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM)?
January is the cheapest month to fly from AUS to USM. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest AUS to USM flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM)?
You'll have to take a flight with a layover when traveling from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from AUS to USM?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM)?
To reach Ko Samui Airport (USM) on schedule, choose a flight that leaves Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM) last-minute?
Booking your flight from AUS to USM shortly before your trip is typically more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book an AUS to USM flight and hotel package?
You'll typically save money by booking an AUS to USM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Ko Samui Airport (USM)?
Typically, you can cancel or modify your AUS to USM flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.