$548 Cheap Flights from Austin (AUS) to Samui Intl. Airport (USM)

View $548 flight on Wed, Jan 7, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $548 for one-way flights and $981 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
$981 Roundtrip, found 2 days ago
$981
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $981 found 2 days ago
United
Wed, May 6 - Wed, May 13
AUS
Austin
USM
Koh Samui
$986 Roundtrip, found 4 days ago
$986
Roundtrip
found 4 days ago
Select United flight, departing Wed, May 6 from Austin to Koh Samui, returning Wed, May 13, priced at $986 found 4 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$989 Roundtrip, found 2 days ago
$989
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $989 found 2 days ago
United
Wed, May 6 - Wed, May 13
AUS
Austin
USM
Koh Samui
$992 Roundtrip, found 4 days ago
$992
Roundtrip
found 4 days ago
Select United flight, departing Wed, May 6 from Austin to Koh Samui, returning Wed, May 13, priced at $992 found 4 days ago
United
Wed, May 6 - Wed, May 13
AUS
Austin
USM
Koh Samui
$994 Roundtrip, found 4 days ago
$994
Roundtrip
found 4 days ago
Select United flight, departing Wed, May 6 from Austin to Koh Samui, returning Wed, May 13, priced at $994 found 4 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$997 Roundtrip, found 2 days ago
$997
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $997 found 2 days ago
United
Wed, Jan 21 - Tue, Jan 27
AUS
Austin
USM
Koh Samui
$998 Roundtrip, found 1 day ago
$998
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 21 from Austin to Koh Samui, returning Tue, Jan 27, priced at $998 found 1 day ago
Lufthansa
Sun, Jan 11 - Tue, Jan 20
AUS
Austin
USM
Koh Samui
$1,768 Roundtrip, found 1 day ago
$1,768
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Jan 11 from Austin to Koh Samui, returning Tue, Jan 20, priced at $1,768 found 1 day ago
KLM
Mon, Dec 8 - Wed, Dec 24
AUS
Austin
USM
Koh Samui
$1,825 Roundtrip, found 1 day ago
$1,825
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Dec 8 from Austin to Koh Samui, returning Wed, Dec 24, priced at $1,825 found 1 day ago
British Airways
Mon, Jan 12 - Mon, Jan 19
AUS
Austin
USM
Koh Samui
$2,267 Roundtrip, found 20 hours ago
$2,267
Roundtrip
found 20 hours ago
Select British Airways flight, departing Mon, Jan 12 from Austin to Koh Samui, returning Mon, Jan 19, priced at $2,267 found 20 hours ago

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 $548 or cheap return flight from $981 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.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Samui Intl. Airport
Airlines serving
British Airways, KLM, Lufthansa
Roundtrip price
$981
Distance
9447 mi

Book with confidence

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 $548 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.

 

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