$451 Cheap Flights from Austin (AUS) to Kumamoto (KMJ)

View $451 flight on Mon, Aug 4, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Kumamoto Airport (KMJ)

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Cheap Flights from Austin to Kumamoto (AUS-KMJ)

Prices were available within the past 7 days and start at $451 for one-way flights and $943 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$943 Roundtrip, found 4 days ago
$943
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $943 found 4 days ago
All Nippon Airways
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$1,044 Roundtrip, found 4 days ago
$1,044
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $1,044 found 4 days ago
Japan Airlines
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$1,058 Roundtrip, found 4 days ago
$1,058
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $1,058 found 4 days ago
Japan Airlines
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$1,059 Roundtrip, found 4 days ago
$1,059
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $1,059 found 4 days ago
Japan Airlines
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$1,078 Roundtrip, found 4 days ago
$1,078
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $1,078 found 4 days ago
All Nippon Airways
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$1,103 Roundtrip, found 4 days ago
$1,103
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $1,103 found 4 days ago
Japan Airlines
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$1,138 Roundtrip, found 4 days ago
$1,138
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $1,138 found 4 days ago
United
Mon, Aug 4 - Fri, Aug 8
AUS
Austin
KMJ
Kumamoto
$1,166 Roundtrip, found 16 hours ago
$1,166
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Aug 4 from Austin to Kumamoto, returning Fri, Aug 8, priced at $1,166 found 16 hours ago
Alaska Airlines
Wed, Oct 1 - Tue, Oct 7
AUS
Austin
KMJ
Kumamoto
$1,222 Roundtrip, found 4 days ago
$1,222
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Oct 1 from Austin to Kumamoto, returning Tue, Oct 7, priced at $1,222 found 4 days ago
STARLUX Airlines
Mon, Aug 4 - Fri, Aug 8
AUS
Austin
KMJ
Kumamoto
$1,893 Roundtrip, found 16 hours ago
$1,893
Roundtrip
found 16 hours ago
Select STARLUX Airlines flight, departing Mon, Aug 4 from Austin to Kumamoto, returning Fri, Aug 8, priced at $1,893 found 16 hours ago
Flights from Austin (AUS) to Kumamoto (KMJ)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Kumamoto
Airlines serving
All Nippon Airways, Japan Airlines, STARLUX Airlines
Roundtrip price
$943
Distance
7048 mi

Austin to Kumamoto Flights

The cheapest times to fly from Austin to Kumamoto

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 Kumamoto are during the month of October. You can find some of the cheapest flights from Austin to Kumamoto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Kumamoto

Sunday is one of the best days to book for cheap flights from Austin to Kumamoto: 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 Kumamoto

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 Kumamoto in 2025. You can also book with separate airlines for your outbound and return journeys, from $451 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 Kumamoto 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 Kumamoto 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 Kumamoto Airport (KMJ) cost?
Discover the latest flight deals from AUS to KMJ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from AUS to KMJ?
The cheapest flights from AUS to KMJ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from AUS to KMJ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from AUS to KMJ. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Kumamoto Airport (KMJ)?
Nonstop flights from Austin-Bergstrom Intl. Airport (AUS) to Kumamoto Airport (KMJ) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AUS to KMJ?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the airline and season.*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 Kumamoto Airport (KMJ)?
To reach Kumamoto Airport (KMJ) on schedule, opt for a flight that takes off from Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Kumamoto Airport (KMJ) last-minute?
Last-minute fares from AUS to KMJ are usually more expensive. For the cheapest rates, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book an AUS to KMJ flight and hotel package?
You can save money by securing an AUS to KMJ flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Kumamoto Airport (KMJ)?
In most cases, you're able to reschedule or cancel your AUS to KMJ flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.