$510 Cheap Flights from Sacramento (SMF) to Kumamoto (KMJ)

View $510 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ)

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Cheap Flights from Sacramento to Kumamoto (SMF-KMJ)

Prices were available within the past 7 days and start at $510 for one-way flights and $1,042 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Sun, Oct 26 - Fri, Nov 21
SMF
Sacramento
KMJ
Kumamoto
$1,042 Roundtrip, found 1 day ago
$1,042
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, Oct 26 from Sacramento to Kumamoto, returning Fri, Nov 21, priced at $1,042 found 1 day ago
All Nippon Airways
Sun, Oct 26 - Fri, Nov 21
SMF
Sacramento
KMJ
Kumamoto
$1,142 Roundtrip, found 1 day ago
$1,142
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, Oct 26 from Sacramento to Kumamoto, returning Fri, Nov 21, priced at $1,142 found 1 day ago
All Nippon Airways
Sun, Oct 26 - Fri, Nov 21
SMF
Sacramento
KMJ
Kumamoto
$1,148 Roundtrip, found 1 day ago
$1,148
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, Oct 26 from Sacramento to Kumamoto, returning Fri, Nov 21, priced at $1,148 found 1 day ago
All Nippon Airways
Sun, Oct 26 - Fri, Nov 21
SMF
Sacramento
KMJ
Kumamoto
$1,149 Roundtrip, found 1 day ago
$1,149
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, Oct 26 from Sacramento to Kumamoto, returning Fri, Nov 21, priced at $1,149 found 1 day ago
United
Sun, Nov 9 - Thu, Nov 27
SMF
Sacramento
KMJ
Kumamoto
$1,155 Roundtrip, just found
$1,155
Roundtrip
just found
Select United flight, departing Sun, Nov 9 from Sacramento to Kumamoto, returning Thu, Nov 27, priced at $1,155 just found
Japan Airlines
Sun, Oct 26 - Fri, Nov 21
SMF
Sacramento
KMJ
Kumamoto
$1,194 Roundtrip, found 1 day ago
$1,194
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sun, Oct 26 from Sacramento to Kumamoto, returning Fri, Nov 21, priced at $1,194 found 1 day ago
Japan Airlines
Sun, Oct 26 - Fri, Nov 21
SMF
Sacramento
KMJ
Kumamoto
$1,201 Roundtrip, found 1 day ago
$1,201
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sun, Oct 26 from Sacramento to Kumamoto, returning Fri, Nov 21, priced at $1,201 found 1 day ago
American Airlines
Sun, Nov 9 - Thu, Nov 27
SMF
Sacramento
KMJ
Kumamoto
$1,206 Roundtrip, just found
$1,206
Roundtrip
just found
Select American Airlines flight, departing Sun, Nov 9 from Sacramento to Kumamoto, returning Thu, Nov 27, priced at $1,206 just found
Japan Airlines
Sun, Oct 26 - Fri, Nov 21
SMF
Sacramento
KMJ
Kumamoto
$1,208 Roundtrip, found 1 day ago
$1,208
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sun, Oct 26 from Sacramento to Kumamoto, returning Fri, Nov 21, priced at $1,208 found 1 day ago
Alaska Airlines
Sat, Oct 4 - Tue, Oct 7
SMF
Sacramento
KMJ
Kumamoto
$1,280 Roundtrip, found 23 hours ago
$1,280
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Sat, Oct 4 from Sacramento to Kumamoto, returning Tue, Oct 7, priced at $1,280 found 23 hours ago
Flights from Sacramento (SMF) to Kumamoto (KMJ)
Origin airport
Sacramento Intl.
Destination airport
Kumamoto
Airlines serving
All Nippon Airways, Japan Airlines
Roundtrip price
$1,042
Distance
5657 mi

Sacramento to Kumamoto Flights

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

 

The best time to book a flight from Sacramento to Kumamoto

Sunday is one of the best days to book for cheap flights from Sacramento 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 Sacramento 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 Sacramento to Kumamoto in 2025. You can also book with separate airlines for your outbound and return journeys, from $510 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 Sacramento 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 Sacramento 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 Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ) cost?
Secure a cheap one-way flight from $510 or cheap return flight from $1,042 from Sacramento Intl. Airport (SMF) 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 Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ)?
The cheapest month to fly from SMF to KMJ is October, when there's less demand. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SMF to KMJ flight.
How many flights per day from Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ)?
Nonstop flights from Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SMF 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 peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ)?
Book a flight from Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this 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 Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ) last-minute?
Last-minute bookings from SMF to KMJ are generally more expensive. To lock in the lowest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a SMF to KMJ flight and hotel package?
You'll generally save money by booking a SMF 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 simple to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to Kumamoto Airport (KMJ)?
In most instances, you're able to reschedule or cancel your SMF to KMJ flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, visit our Customer Service portal.

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*Available to One Key members.