$519 Cheap Flights from Guam (GUM) to Kumamoto (KMJ)

View $519 flight on Wed, Feb 25, 2026Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Kumamoto Airport (KMJ)

Cheap Flights from Guam to Kumamoto (GUM-KMJ)

Prices were available within the past 7 days and start at $519 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ) cost?
Lock in a cheap one-way flight from $519 or cheap return flight from A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ) 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 A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ)?
Traveling in can help you save, as it's the cheapest month for flights between GUM and KMJ. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ)?
To find the cheapest airline that'll fly you from GUM to KMJ, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ)?
You'll have to catch a flight with a layover if you're traveling from A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ). There are no daily direct flights on this route. However, simply 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 GUM to KMJ?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a range of factors, including the season 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 A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ)?
To avoid potential delays on the A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being 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 A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ) last-minute?
Booking your flight from GUM to KMJ shortly before your journey is usually more expensive. However, if you're flexible with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a GUM to KMJ flight and hotel package?
You can save money by booking a GUM 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 convenient place. After selecting your preferred flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Kumamoto Airport (KMJ)?
If you booked your GUM to KMJ flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
A.B. Won Pat Intl.
Destination airport
Kumamoto
Distance
1599 mi

Book with confidence

Guam to Kumamoto Flights

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

 

The best time to book a flight from Guam to Kumamoto

Sunday is one of the best days to book for cheap flights from Guam 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 Guam 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 Guam to Kumamoto in 2025. You can also book with separate airlines for your outbound and return journeys, from $519 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 Guam 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 Guam 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.

 

Guam to Kumamoto Flights

Explore a world of travel with Expedia

*Available to One Key members.