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Kumamoto

$766+ Cheap flights from District of Columbia to Kumamoto (KMJ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KMJ
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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Cheap flight deals from District of Columbia to Kumamoto

Cheapest flights from District of Columbia to Kumamoto
Explore the most affordable flight options available from District of Columbia to Kumamoto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.

This STARLUX Airlines deal was found by Cheapflights users on 2/6. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:11 pm
IAD
-
KMJ
2 stops26h 24m
STARLUX Airlines
Mon 3/3011:55 am
KMJ
-
IAD
2 stops30h 45m
STARLUX Airlines
Deal found 2/6$1,715
This BusinessClass deal was found by Cheapflights users on 2/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/231:20 pm
IAD
-
KMJ
1 stop18h 40m
ANA
Mon 3/308:20 pm
KMJ
-
IAD
1 stop32h 20m
ANA
Deal found 2/6$1,837
This Japan Airlines deal was found by Cheapflights users on 2/7. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:35 am
DCA
-
KMJ
2 stops34h 50m
Japan Airlines
Mon 3/28:25 pm
KMJ
-
DCA
2 stops36h 30m
Japan Airlines
Deal found 2/7$1,957
This Mytrip deal was found by Cheapflights users on 2/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:59 am
DCA
-
KMJ
2 stops24h 56m
Multiple Airlines
Mon 3/309:55 am
KMJ
-
DCA
2 stops24h 58m
Multiple Airlines
Deal found 2/6$2,010
This Japan Airlines deal was found by Cheapflights users on 2/7. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:05 am
IAD
-
KMJ
2 stops36h 20m
Japan Airlines
Mon 3/28:15 pm
KMJ
-
IAD
2 stops59h 05m
Japan Airlines
Deal found 2/7$2,198
This STARLUX Airlines deal was found by Cheapflights users on 2/4. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:11 pm
IAD
-
KMJ
2 stops26h 24m
STARLUX Airlines
Sun 3/2911:55 am
KMJ
-
IAD
2 stops30h 45m
STARLUX Airlines
Deal found 2/4$2,383
This STARLUX Airlines deal was found by Cheapflights users on 2/4. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:27 pm
IAD
-
KMJ
2 stops26h 08m
STARLUX Airlines
Mon 3/211:45 am
KMJ
-
IAD
2 stops31h 55m
STARLUX Airlines
Deal found 2/4$2,420

Find flight deals from District of Columbia to Kumamoto

Keep the following information in mind while searching for District of Columbia to Kumamoto flight deals. Data was last updated February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,715
(STARLUX Airlines)

Popular in

April

Cheapest in

February

Average price

$1,050
Provider with most accurate pricing for Washington, D.C. (WAS)-Fukuoka flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Fukuoka flights.
Search Deals
From District of Columbia to Kumamoto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 February 8, 2026.
Use the filters below to find and compare flights from District of Columbia to Kumamoto that are best for you.

Fly from

District of Columbia

Fly to

Kumamoto

Route

Depart

Return

Price

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Mon 3/23

7:11 pm-10:35 am

2 stops26h 24m

Kumamoto

Mon 3/30

11:55 am-5:40 am

2 stops30h 45m

$1,715

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Mon 3/23

1:20 pm-9:00 pm

1 stop18h 40m

Kumamoto

Mon 3/30

8:20 pm-3:40 pm

1 stop32h 20m

$1,837

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Thu 2/26

8:35 am-9:25 am

2 stops34h 50m

Kumamoto

Mon 3/2

8:25 pm-12:44 pm

2 stops30h 19m

$1,957

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Mon 3/23

6:59 am-8:55 pm

2 stops24h 56m

Kumamoto

Mon 3/30

9:55 am-9:53 pm

2 stops24h 58m

$2,010

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Thu 2/26

7:05 am-9:25 am

2 stops36h 20m

Kumamoto

Mon 3/2

8:15 pm-5:20 pm

2 stops59h 05m

$2,198

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 3/22

7:11 pm-10:35 am

2 stops26h 24m

Kumamoto

Sun 3/29

11:55 am-5:40 am

2 stops30h 45m

$2,383

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Thu 2/26

6:27 pm-10:35 am

2 stops26h 08m

Kumamoto

Mon 3/2

11:45 am-5:40 am

2 stops31h 55m

$2,420

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Wed 3/25

8:00 am-7:40 pm

3 stops46h 40m

$766

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Wed 3/25

6:20 am-5:30 pm

3 stops46h 10m

$801

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Wed 3/25

7:11 pm-10:35 am

2 stops26h 24m

$883

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 11 results
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Best time to book a flight from District of Columbia to Kumamoto

Have a flexible travel schedule? Discover the best time to fly to Kumamoto from District of Columbia 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 District of Columbia to Kumamoto
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Kumamoto from District of Columbia?

    Kumamoto (KMJ), located 9.7 mi from the city center, is the airport you fly into when you book flights from District of Columbia to Kumamoto.

  • How long is the flight from District of Columbia to Kumamoto?

    Departing from District of Columbia to Kumamoto will take you 18h 40m. The distance from District of Columbia to Kumamoto is about 7150 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from District of Columbia to Kumamoto that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Kumamoto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Kumamoto?

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

  • Can I find deals for business class flights from District of Columbia to Kumamoto?

    Yes. Cheapflights offers flight deals from District of Columbia 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.

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