HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kumamoto

$863+ Cheap flights from San Diego (SAN) 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KMJ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Kumamoto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to Kumamoto

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 September 11, 2025.

Round-trip from

$863
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$986
From San Diego to Kumamoto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from San Diego to Kumamoto

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

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:40 amSAN - KMJ
1 stop27h 40mJapan Airlines
Mon 11/178:30 pmKMJ - SAN
1 stop30h 15mJapan Airlines
Deal found 9/11$863
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:40 amSAN - KMJ
1 stop27h 40mJapan Airlines
Sun 11/168:30 pmKMJ - SAN
1 stop30h 15mJapan Airlines
Deal found 9/11$879
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:40 pmSAN - KMJ
2 stops31h 15mANA
Mon 11/1710:50 amKMJ - SAN
2 stops26h 02mANA
Deal found 9/11$890
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:15 amSAN - KMJ
2 stops21h 35mJapan Airlines
Mon 11/178:30 pmKMJ - SAN
1 stop30h 15mJapan Airlines
Deal found 9/11$914
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:15 amSAN - KMJ
2 stops34h 40mJapan Airlines
Sun 11/168:30 pmKMJ - SAN
1 stop30h 15mJapan Airlines
Deal found 9/11$930
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:40 amSAN - KMJ
1 stop27h 40mJapan Airlines
Mon 11/179:15 amKMJ - SAN
1 stop17h 30mJapan Airlines
Deal found 9/11$934
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:10 pmSAN - KMJ
2 stops55h 20mDelta
Sun 11/167:10 pmKMJ - SAN
2 stops39h 59mDelta
Deal found 9/11$940
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:40 pmSAN - KMJ
2 stops58h 50mDelta
Sun 11/167:10 pmKMJ - SAN
2 stops39h 59mDelta
Deal found 9/11$942
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:40 amSAN - KMJ
1 stop27h 40mJapan Airlines
Sat 11/1512:45 pmKMJ - SAN
2 stops19h 02mJapan Airlines
Deal found 9/11$947

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 September 11, 2025.
Use the filters below to find and compare flights from San Diego to Kumamoto that are best for you.

Fly from

San Diego

Fly to

Kumamoto

Route

Depart

Return

Price

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Sat 11/8

11:40 am-8:20 am

1 stop27h 40m

Kumamoto

Mon 11/17

8:30 pm-9:45 am

1 stop30h 15m

$863

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Sat 11/8

11:40 am-8:20 am

1 stop27h 40m

Kumamoto

Sun 11/16

8:30 pm-9:45 am

1 stop30h 15m

$879

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Sun 11/9

8:40 pm-8:55 pm

2 stops31h 15m

Kumamoto

Mon 11/17

10:50 am-7:52 pm

2 stops26h 02m

$890

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Fri 11/7

6:15 am-8:50 pm

2 stops21h 35m

Kumamoto

Mon 11/17

8:30 pm-9:45 am

1 stop30h 15m

$914

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Fri 11/7

6:15 am-9:55 am

2 stops34h 40m

Kumamoto

Sun 11/16

8:30 pm-9:45 am

1 stop30h 15m

$930

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Sun 11/9

5:10 pm-5:30 pm

2 stops55h 20m

Kumamoto

Sun 11/16

7:10 pm-6:09 pm

2 stops39h 59m

$940

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Sat 11/8

1:40 pm-5:30 pm

2 stops58h 50m

Kumamoto

Sun 11/16

7:10 pm-6:09 pm

2 stops39h 59m

$942

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Thu 9/25

11:08 am-1:00 pm

2 stops33h 52m

Kumamoto

Mon 9/29

2:00 pm-11:41 pm

2 stops25h 41m

$959

San DiegoKumamoto

SAN - KMJ

SANKMJ

San Diego

Fri 11/7

6:15 am-5:30 pm

2 stops42h 15m

Kumamoto

Sun 11/16

7:10 pm-6:09 pm

2 stops39h 59m

$998

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from San Diego to Kumamoto

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

    For as low as $863, Japan Airlines can have you in Kumamoto from San Diego in 27h 40m. The distance from San Diego to Kumamoto is about 6099 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Kumamoto

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kumamoto flights
San Francisco to Kumamoto flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.