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Kumamoto

$1,224+ Cheap flights from San Francisco (SFO) to Kumamoto (KMJ)

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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KMJ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Francisco to Kumamoto

Cheapest flights from San Francisco to Kumamoto
Explore the most affordable flight options available from San Francisco to Kumamoto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This SmartFares deal was found by Cheapflights users on 1/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:10 am
SFO
-
KMJ
1 stop18h 25m
Multiple Airlines
Mon 4/611:55 am
KMJ
-
SFO
2 stops38h 22m
Multiple Airlines
Deal found 1/28$1,224
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:10 am
SFO
-
KMJ
2 stops17h 30m
ANA
Fri 8/148:10 am
KMJ
-
SFO
1 stop17h 35m
ANA
Deal found 1/26$1,242
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:10 am
SFO
-
KMJ
2 stops17h 30m
ANA
Thu 8/1312:20 pm
KMJ
-
SFO
2 stops20h 35m
ANA
Deal found 1/26$1,247
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:00 pm
SFO
-
KMJ
2 stops38h 25m
Multiple Airlines
Fri 4/1012:30 pm
KMJ
-
SFO
2 stops26h 10m
Multiple Airlines
Deal found 1/28$1,262
This Gotogate deal was found by Cheapflights users on 1/28. 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.
Wed 4/112:50 am
SFO
-
KMJ
1 stop25h 25m
STARLUX Airlines
Fri 4/1011:55 am
KMJ
-
SFO
1 stop24h 35m
STARLUX Airlines
Deal found 1/28$1,264
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:10 am
SFO
-
KMJ
2 stops17h 30m
ANA
Tue 8/118:10 am
KMJ
-
SFO
1 stop17h 35m
ANA
Deal found 1/26$1,292
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:45 am
SFO
-
KMJ
2 stops16h 45m
ANA
Tue 8/1112:20 pm
KMJ
-
SFO
1 stop13h 25m
ANA
Deal found 1/26$1,295
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:20 pm
SFO
-
KMJ
2 stops16h 30m
ANA
Wed 8/1210:35 am
KMJ
-
SFO
1 stop15h 10m
ANA
Deal found 1/28$1,296
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:10 am
SFO
-
KMJ
2 stops17h 30m
ANA
Wed 8/128:45 am
KMJ
-
SFO
2 stops17h 00m
ANA
Deal found 1/26$1,297

Find flight deals from San Francisco to Kumamoto

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Kumamoto (KMJ). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,224
(SmartFares)

Popular in

June

Cheapest in

August

Average price

$1,099
Provider with most accurate pricing for San Francisco-Kumamoto flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Kumamoto flights.
Search Deals
From San Francisco to Kumamoto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Kumamoto 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 January 29, 2026.
Use the filters below to find and compare flights from San Francisco to Kumamoto that are best for you.

Fly from

San Francisco

Fly to

Kumamoto

Route

Depart

Return

Price

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Tue 3/24

12:10 am-10:35 am

1 stop18h 25m

Kumamoto

Mon 4/6

11:55 am-10:17 am

2 stops38h 22m

$1,224

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Wed 6/17

11:10 am-8:40 pm

2 stops17h 30m

Kumamoto

Tue 8/11

8:10 am-9:45 am

1 stop17h 35m

$1,242

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Wed 6/17

11:10 am-8:40 pm

2 stops17h 30m

Kumamoto

Sun 8/9

8:15 pm-9:45 am

1 stop29h 30m

$1,292

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Mon 6/15

12:20 pm-8:50 pm

2 stops16h 30m

Kumamoto

Tue 8/11

10:35 am-9:45 am

1 stop15h 10m

$1,296

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Wed 4/1

1:05 am-5:40 pm

1 stop24h 35m

Kumamoto

Fri 4/10

6:40 pm-7:55 pm

1 stop17h 15m

$1,335

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Mon 6/15

11:10 am-8:40 pm

2 stops17h 30m

Kumamoto

Thu 8/13

12:20 pm-4:55 pm

1 stop20h 35m

$1,335

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Sun 6/14

11:10 am-8:40 pm

2 stops17h 30m

Kumamoto

Fri 8/14

8:10 am-9:45 am

1 stop17h 35m

$1,335

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Tue 6/16

11:10 am-8:40 pm

2 stops17h 30m

Kumamoto

Thu 8/13

10:35 am-9:45 am

1 stop15h 10m

$1,335

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Sat 6/13

1:45 am-11:50 am

2 stops18h 05m

Kumamoto

Tue 8/11

12:20 pm-9:45 am

1 stop13h 25m

$1,335

San FranciscoKumamoto

SFO - KMJ

SFOKMJ

San Francisco

Mon 6/15

11:10 am-8:40 pm

2 stops17h 30m

Kumamoto

Fri 8/14

8:10 am-9:45 am

1 stop17h 35m

$1,335

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

  • Most accurate provider: When it comes to deals on San Francisco-Kumamoto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Kumamoto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Kumamoto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Kumamoto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Kumamoto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Kumamoto

Have a flexible travel schedule? Discover the best time to fly to Kumamoto from San Francisco 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Kumamoto

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

Currently, December is the cheapest month in which you can book a flight from San Francisco to Kumamoto (average of $560). Flying from San Francisco to Kumamoto in June is currently the most expensive (average of $1,066). 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.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Kumamoto. 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 San Francisco to Kumamoto?

    A quick flight from San Francisco to Kumamoto can take about 17h 30m. ANA provides one of the quickest options available for as low as $1,242. The distance between San Francisco and Kumamoto is about 5662 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Kumamoto 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 San Francisco to Kumamoto?

    Currently, December is the cheapest month in which you can book a flight from San Francisco to Kumamoto (average of $560). Flying from San Francisco to Kumamoto in June is currently the most expensive (average of $1,066). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Kumamoto

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