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Kumamoto

$1,131+ Cheap flights from Washington, D.C. (WAS) 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — KMJ
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Kumamoto

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 November 13, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,131
(ANA)

Popular in

June

Cheapest in

January

Average price

$1,778
Provider with most accurate pricing for Washington, D.C. (WAS)-Kumamoto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Kumamoto flights.
Search Deals
From Washington, D.C. (WAS) to Kumamoto
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Washington, D.C. to Kumamoto

Cheapest flights from Washington, D.C. to Kumamoto
Explore the most affordable flight options available from Washington, D.C. to Kumamoto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This oojo deal was found by Cheapflights users on 11/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:38 amBWI - KMJ
2 stops36h 57mMultiple Airlines
Thu 11/2011:45 amKMJ - BWI
2 stops31h 55mMultiple Airlines
Deal found 11/12$1,630
This oojo deal was found by Cheapflights users on 11/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:00 pmDCA - KMJ
2 stops27h 35mMultiple Airlines
Thu 11/2011:45 amKMJ - DCA
2 stops46h 57mMultiple Airlines
Deal found 11/12$1,711
This Mytrip deal was found by Cheapflights users on 11/12. 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.
Thu 11/139:00 amIAD - KMJ
2 stops21h 50mMultiple Airlines
Thu 11/2010:00 amKMJ - IAD
2 stops24h 54mMultiple Airlines
Deal found 11/12$1,719
This Atrapalo deal was found by Cheapflights users on 11/12. 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 Atrapalo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:40 amDCA - KMJ
2 stops33h 45mMultiple Airlines
Sat 1/38:15 pmKMJ - DCA
2 stops37h 30mMultiple Airlines
Deal found 11/12$4,468
This Delta deal was found by Cheapflights users on 11/12. 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 12/274:56 pmDCA - KMJ
2 stops34h 34mDelta
Sat 1/37:10 pmKMJ - DCA
2 stops35h 30mDelta
Deal found 11/12$4,590
This STARLUX Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 12/276:43 pmIAD - KMJ
2 stops25h 52mSTARLUX Airlines
Sat 1/311:45 amKMJ - IAD
2 stops32h 28mSTARLUX Airlines
Deal found 11/12$7,311

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 November 13, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Kumamoto that are best for you.

Fly from

Washington, D.C.

Fly to

Kumamoto

Route

Depart

Return

Price

BaltimoreKumamoto

BWI - KMJ

BWIKMJ

Baltimore/Washington

Sun 2/22

6:30 am-6:35 pm

2 stops46h 05m

Kumamoto

Thu 2/26

12:35 pm-9:27 pm

2 stops22h 52m

$1,131

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 4/5

7:01 pm-10:45 am

2 stops26h 44m

Kumamoto

Tue 4/21

11:55 am-5:49 am

2 stops30h 54m

$1,191

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 4/5

12:15 pm-7:45 pm

1 stop18h 30m

Kumamoto

Tue 4/21

10:40 am-3:40 pm

1 stop18h 00m

$1,225

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 2/22

6:27 pm-10:35 am

2 stops26h 08m

Kumamoto

Thu 2/26

11:45 am-5:40 am

2 stops31h 55m

$1,265

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 2/22

12:20 pm-9:00 pm

1 stop18h 40m

Kumamoto

Thu 2/26

10:50 am-3:40 pm

1 stop18h 50m

$2,117

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Sun 2/22

7:30 am-7:40 pm

2 stops22h 10m

Kumamoto

Thu 2/26

7:35 am-12:44 pm

2 stops19h 09m

$2,123

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Sat 12/27

9:40 am-9:25 am

2 stops33h 45m

Kumamoto

Sat 1/3

8:15 pm-7:45 pm

2 stops37h 30m

$4,468

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Sat 12/27

4:56 pm-5:30 pm

2 stops34h 34m

Kumamoto

Sat 1/3

7:10 pm-4:40 pm

2 stops35h 30m

$4,590

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Mon 12/15

6:30 pm-10:35 am

2 stops26h 05m

$1,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

  • Most accurate provider: When it comes to deals on Washington, D.C.-Kumamoto flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C.-Kumamoto flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Washington, D.C.-Kumamoto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Kumamoto flights, Cheapflights users trust Expedia the most. Expedia 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 Washington, D.C.-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 Washington, D.C. to Kumamoto

Have a flexible travel schedule? Discover the best time to fly to Kumamoto from Washington, D.C. 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 Washington, D.C. to Kumamoto
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Kumamoto

Get insights into the airlines that provide service to Kumamoto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kumamoto. Reviews last updated November 13, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Kumamoto, such as ANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,003 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
1,003 reviews
ANA
8.4
Very good
1,003 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C.?

    If you book a flight to Kumamoto from Washington, D.C., you will be flying to Kumamoto, which is the city’s only airport. Kumamoto (KMJ) is located 9.7 mi from the center of Kumamoto. There are 0 flights from Washington, D.C. to Kumamoto per day from 0 different airlines.

  • How long is the flight from Washington, D.C. to Kumamoto?

    A quick flight from Washington, D.C. to Kumamoto can take about 22h 10m. ANA provides one of the quickest options available for as low as $2,123. Airlines will cover a distance of 7165 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Washington, D.C. to Kumamoto?

    When deciding which route to take from Washington, D.C. to Kumamoto consider Washington, D.C. Dulles Intl - Kumamoto, Baltimore/Washington - Kumamoto or Washington, D.C. Reagan-National - Kumamoto as they are the most popular.

  • Can I find deals for flights from Washington, D.C. to Kumamoto that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Kumamoto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Kumamoto?

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

  • Can I find deals for business class flights from Washington, D.C. to Kumamoto?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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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