$509 Cheap Flights from Raleigh (RDU) to Kumamoto (KMJ)

View $509 flight on Thu, Mar 5, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Kumamoto Airport (KMJ)

Cheap Flights from Raleigh to Kumamoto (RDU-KMJ)

Prices were available within the past 7 days and start at $509 for one-way flights and $867 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Mar 5 - Tue, Mar 10
RDU
Raleigh
KMJ
Kumamoto
$867 Roundtrip, found 6 days ago
$867
Roundtrip
found 6 days ago
Select United flight, departing Thu, Mar 5 from Raleigh to Kumamoto, returning Tue, Mar 10, priced at $867 found 6 days ago
All Nippon Airways
Thu, Mar 5 - Tue, Mar 10
RDU
Raleigh
KMJ
Kumamoto
$883 Roundtrip, found 6 days ago
$883
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Thu, Mar 5 from Raleigh to Kumamoto, returning Tue, Mar 10, priced at $883 found 6 days ago
United
Sun, Dec 14 - Thu, Dec 18
RDU
Raleigh
KMJ
Kumamoto
$917 Roundtrip, found 6 days ago
$917
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 14 from Raleigh to Kumamoto, returning Thu, Dec 18, priced at $917 found 6 days ago
Japan Airlines
Sun, Dec 14 - Thu, Dec 18
RDU
Raleigh
KMJ
Kumamoto
$935 Roundtrip, found 6 days ago
$935
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sun, Dec 14 from Raleigh to Kumamoto, returning Thu, Dec 18, priced at $935 found 6 days ago
American Airlines
Sun, Dec 14 - Thu, Dec 18
RDU
Raleigh
KMJ
Kumamoto
$944 Roundtrip, found 6 days ago
$944
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Dec 14 from Raleigh to Kumamoto, returning Thu, Dec 18, priced at $944 found 6 days ago
United
Thu, Mar 5 - Tue, Mar 10
RDU
Raleigh
KMJ
Kumamoto
$951 Roundtrip, found 6 days ago
$951
Roundtrip
found 6 days ago
Select United flight, departing Thu, Mar 5 from Raleigh to Kumamoto, returning Tue, Mar 10, priced at $951 found 6 days ago
All Nippon Airways
Thu, Mar 5 - Tue, Mar 10
RDU
Raleigh
KMJ
Kumamoto
$967 Roundtrip, found 6 days ago
$967
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Thu, Mar 5 from Raleigh to Kumamoto, returning Tue, Mar 10, priced at $967 found 6 days ago
Japan Airlines
Sun, Dec 14 - Thu, Dec 18
RDU
Raleigh
KMJ
Kumamoto
$996 Roundtrip, found 6 days ago
$996
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sun, Dec 14 from Raleigh to Kumamoto, returning Thu, Dec 18, priced at $996 found 6 days ago
American Airlines
Sun, Dec 14 - Thu, Dec 18
RDU
Raleigh
KMJ
Kumamoto
$1,005 Roundtrip, found 6 days ago
$1,005
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Dec 14 from Raleigh to Kumamoto, returning Thu, Dec 18, priced at $1,005 found 6 days ago
JetBlue Airways
Sun, Dec 14 - Thu, Dec 18
RDU
Raleigh
KMJ
Kumamoto
$1,065 Roundtrip, found 6 days ago
$1,065
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sun, Dec 14 from Raleigh to Kumamoto, returning Thu, Dec 18, priced at $1,065 found 6 days ago
Flights from Raleigh (RDU) to Kumamoto (KMJ)
Origin airport
Raleigh - Durham Intl.
Destination airport
Kumamoto
Roundtrip price
$867
Distance
7316 mi

Raleigh to Kumamoto Flights

The cheapest times to fly from Raleigh 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 Raleigh to Kumamoto are during the month of March. You can find some of the cheapest flights from Raleigh to Kumamoto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Kumamoto

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Kumamoto in 2025. You can also book with separate airlines for your outbound and return journeys, from $509 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 Raleigh 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 Raleigh 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 Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ) cost?
Snag a cheap one-way flight from $509 or cheap return flight from $867 from Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ) 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 Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ)?
March is the most affordable month to fly from RDU to KMJ. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ)?
To find the cheapest airline flying from RDU to KMJ, 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 cheapest flights first.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ)?
You'll have to catch a flight with a layover if you're traveling from Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from RDU to KMJ?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be 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 Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ)?
Select a flight from Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time 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 Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ) last-minute?
Holding off until right before your break to book your flight from RDU to KMJ often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book a RDU to KMJ flight and hotel package?
You can save money by booking a RDU to KMJ 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 place. After selecting your ideal accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Kumamoto Airport (KMJ)?
If you booked your RDU to KMJ flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.