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$519+ Cheap flights from Kumamoto (KMJ) to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
KMJ — SFO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Kumamoto to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Kumamoto (KMJ) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$519
(Trip.com)
From Kumamoto to San Francisco
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Find flight deals from Kumamoto to San Francisco

Cheapest flights from Kumamoto to San Francisco
Explore the most affordable flight options available from Kumamoto to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:25 amKMJ - SFO
2 stops35h 52mMultiple Airlines
Sun 11/27:25 amSFO - KMJ
2 stops33h 00mMultiple Airlines
Deal found 9/11$519
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:45 amKMJ - SFO
1 stop24h 15mSTARLUX Airlines
Sat 11/112:10 amSFO - KMJ
1 stop18h 25mSTARLUX Airlines
Deal found 9/11$931
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:10 pmKMJ - SFO
2 stops55h 43mDelta
Sun 11/25:15 amSFO - KMJ
2 stops42h 15mDelta
Deal found 9/10$1,693

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kumamoto to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Kumamoto to San Francisco that are best for you.

Fly from

Kumamoto

Fly to

San Francisco

Route

Depart

Return

Price

KumamotoSan Francisco

KMJ - SFO

KMJSFO

Kumamoto

Sun 10/26

10:25 am-6:17 am

2 stops35h 52m

San Francisco

Sun 11/2

7:25 am-9:25 am

2 stops33h 00m

$519

KumamotoSan Francisco

KMJ - SFO

KMJSFO

Kumamoto

Sun 10/26

11:45 am-8:00 pm

1 stop24h 15m

San Francisco

Sat 11/1

12:10 am-10:35 am

1 stop18h 25m

$931

KumamotoSan Francisco

KMJ - SFO

KMJSFO

Kumamoto

Sat 2/14

11:45 am-7:00 pm

1 stop24h 15m

San Francisco

Wed 2/18

11:10 pm-10:35 am

1 stop18h 25m

$1,164

KumamotoSan Francisco

KMJ - SFO

KMJSFO

Kumamoto

Sat 2/14

2:05 pm-10:25 am

1 stop13h 20m

San Francisco

Wed 2/18

6:04 pm-8:25 am

2 stops21h 21m

$1,688

KumamotoSan Francisco

KMJ - SFO

KMJSFO

Kumamoto

Sun 10/26

7:10 pm-10:53 am

2 stops55h 43m

San Francisco

Sun 11/2

5:15 am-4:30 pm

2 stops42h 15m

$1,693

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Kumamoto to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Kumamoto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Kumamoto to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kumamoto to San Francisco?

    There are many flights that can get you from Kumamoto to San Francisco in 24h 15m. Fly via STARLUX Airlines to get the fastest option. There are 5662 mi between Kumamoto and San Francisco.

  • Can I find deals for flights from Kumamoto to San Francisco that include hotel bookings?

    Yes. In addition to deals on Kumamoto to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kumamoto to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kumamoto to San Francisco.

  • Can I find deals for business class flights from Kumamoto to San Francisco?

    Yes. Cheapflights offers flight deals from Kumamoto to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kumamoto to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Kumamoto to San Francisco (average of $276). Flying from Kumamoto to San Francisco in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
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Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
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San Mateo
Lathrop

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