$578 Cheap Flights from Kumamoto (KMJ) to San Francisco (SFO)

Popular airlines from Kumamoto Airport (KMJ) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Kumamoto to San Francisco (KMJ-SFO)

Prices were available within the past 7 days and start at $578 for one-way flights and $1,122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

STARLUX Airlines
Japan Airlines
Japan Airlines
STARLUX Airlines
STARLUX Airlines
STARLUX Airlines
STARLUX Airlines
Japan Airlines
China Airlines
All Nippon Airways
Flights from Kumamoto (KMJ) to San Francisco (SFO)
Origin airport
Kumamoto
Destination airport
San Francisco Intl.
Airlines serving
All Nippon Airways, China Airlines, Japan Airlines, STARLUX Airlines
Roundtrip price
$1,122
Distance
5665 mi

Kumamoto to San Francisco Flights

The cheapest times to fly from Kumamoto to San Francisco

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

 

The best time to book a flight from Kumamoto to San Francisco

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

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 Kumamoto to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $578 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 Kumamoto to San Francisco 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 Kumamoto to San Francisco 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 is a flight from Kumamoto Airport (KMJ) to San Francisco Airport?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Aso Kumamoto Airport and SFO start from $1,122. Book ASAP to get the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Aso Kumamoto Airport to SFO?
Each airline has its own set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from KMJ to San Francisco Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Aso Kumamoto Airport to San Francisco Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KMJ to San Francisco Intl. Airport (SFO)?
The distance is around 5656 mi, so fill your carry-on luggage with all the items you need to make your journey comfortable. Wondering what to take on board your Mashiki to San Francisco flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from Kumamoto Airport (KMJ) to SFO?
Flying nonstop between Aso Kumamoto Airport and SFO isn't possible at this time. However, you'll still be able to find a flight to San Francisco with at least one stop.
Are Kumamoto Airport (KMJ) to SFO flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so it's no sure thing. While last-minute flight deals between Kumamoto Airport (KMJ) and San Francisco Intl. Airport (SFO) are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers advertise their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking back and be ready to pounce when prices drop.

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*Available to One Key members.