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Cheap flights from Washington, D.C. to Kumamoto from $1,721

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Kumamoto departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Kumamoto

Cheap round-trip flights

Enter your travel dates to find the best prices.
STARLUX Airlines Logo
5:38 pm - 10:45 am
IAD
-
KMJ
28h 07m
2 stops
STARLUX Airlines Logo
11:55 am - 7:28 am
KMJ
-
IAD
32h 33m
2 stops
$1,721STARLUX Airlines
Sun, Oct 4 - Thu, Oct 8
STARLUX Airlines Logo
5:38 pm - 10:45 am
IAD
-
KMJ
28h 07m
2 stops
STARLUX Airlines Logo
11:55 am - 7:28 am
KMJ
-
IAD
32h 33m
2 stops
$1,751STARLUX Airlines
Sun, Oct 4 - Thu, Oct 8
STARLUX Airlines Logo
5:38 pm - 10:45 am
IAD
-
KMJ
28h 07m
2 stops
STARLUX Airlines Logo
11:55 am - 7:28 am
KMJ
-
IAD
32h 33m
2 stops
$1,776STARLUX Airlines
Sun, Oct 4 - Thu, Oct 8
Japan Airlines Logo
9:59 am - 8:55 pm
DCA
-
KMJ
21h 56m
2 stops
Japan Airlines Logo
7:35 am - 4:13 pm
KMJ
-
DCA
21h 38m
2 stops
$2,352Japan Airlines
Sun, Oct 4 - Thu, Oct 8
Japan Airlines Logo
6:15 am - 9:20 am
BWI
-
KMJ
38h 05m
2 stops
Japan Airlines Logo
8:40 am - 5:56 pm
KMJ
-
BWI
22h 16m
2 stops
$2,606Japan Airlines
Sun, Sep 20 - Thu, Sep 24
Japan Airlines Logo
6:15 am - 6:35 pm
BWI
-
KMJ
23h 20m
2 stops
Japan Airlines Logo
3:20 pm - 5:56 pm
KMJ
-
BWI
39h 36m
2 stops
$2,656Japan Airlines
Thu, Sep 10 - Mon, Sep 14
Japan Airlines Logo
10:49 am - 8:55 pm
DCA
-
KMJ
21h 06m
2 stops
Japan Airlines Logo
7:35 am - 6:27 pm
KMJ
-
DCA
23h 52m
2 stops
$2,726Japan Airlines
Sun, Oct 4 - Thu, Oct 8
Korean Air Logo
1:15 pm - 6:35 pm
IAD
-
KMJ
40h 20m
1 stop
Korean Air Logo
7:35 pm - 11:05 am
KMJ
-
IAD
28h 30m
1 stop
$11,315Korean Air
Sun, Oct 4 - Thu, Oct 8
Korean Air Logo
7:00 am - 6:35 pm
IAD
-
KMJ
46h 35m
2 stops
Korean Air Logo
7:35 pm - 11:05 am
KMJ
-
IAD
28h 30m
1 stop
$11,320Korean Air
Sun, Oct 4 - Thu, Oct 8
Korean Air Logo
1:15 pm - 6:35 pm
IAD
-
KMJ
40h 20m
1 stop
Korean Air Logo
7:35 pm - 11:05 am
KMJ
-
IAD
28h 30m
1 stop
$11,759Korean Air
Sun, Oct 4 - Thu, Oct 8

STARLUX Airlines flights from Washington, D.C. to Kumamoto

Our best STARLUX Airlines deals on Washington, D.C. to Kumamoto flight tickets
STARLUX Airlines
Oct 4
IAD5:38 pmWashington, D.C. Dulles Intl
28h 07m
2 stops
KMJ10:45 amKumamoto
Oct 8
KMJ11:55 amKumamoto
32h 33m
2 stops
IAD7:28 amWashington, D.C. Dulles Intl
$1,721
STARLUX Airlines
Oct 4
IAD5:38 pmWashington, D.C. Dulles Intl
28h 07m
2 stops
KMJ10:45 amKumamoto
Oct 8
KMJ11:55 amKumamoto
32h 33m
2 stops
IAD7:28 amWashington, D.C. Dulles Intl
$1,751
STARLUX Airlines
Oct 4
IAD5:38 pmWashington, D.C. Dulles Intl
28h 07m
2 stops
KMJ10:45 amKumamoto
Oct 8
KMJ11:55 amKumamoto
32h 33m
2 stops
IAD7:28 amWashington, D.C. Dulles Intl
$1,776

Japan Airlines flights from Washington, D.C. to Kumamoto

Our best Japan Airlines deals on Washington, D.C. to Kumamoto flight tickets
Japan Airlines
Oct 4
DCA9:59 amWashington, D.C. Reagan-National
21h 56m
2 stops
KMJ8:55 pmKumamoto
Oct 8
KMJ7:35 amKumamoto
21h 38m
2 stops
DCA4:13 pmWashington, D.C. Reagan-National
$2,352
Japan Airlines
Sep 20
BWI6:15 amBaltimore/Washington
38h 05m
2 stops
KMJ9:20 amKumamoto
Sep 24
KMJ8:40 amKumamoto
22h 16m
2 stops
BWI5:56 pmBaltimore/Washington
$2,606
Japan Airlines
Sep 10
BWI6:15 amBaltimore/Washington
23h 20m
2 stops
KMJ6:35 pmKumamoto
Sep 14
KMJ3:20 pmKumamoto
39h 36m
2 stops
BWI5:56 pmBaltimore/Washington
$2,656

momondo 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, momondo users made 832,500 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Kumamoto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 10/4

5:38 pm-10:45 am

2 stops28h 07m

Kumamoto

Thu 10/8

11:55 am-7:28 am

2 stops32h 33m

$1,721

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 10/4

5:38 pm-10:45 am

2 stops28h 07m

Kumamoto

Thu 10/8

11:55 am-7:28 am

2 stops32h 33m

$1,751

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 10/4

5:38 pm-10:45 am

2 stops28h 07m

Kumamoto

Thu 10/8

11:55 am-7:28 am

2 stops32h 33m

$1,776
Quickest round-trip

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Sun 10/4

9:59 am-8:55 pm

2 stops21h 56m

Kumamoto

Thu 10/8

7:35 am-4:13 pm

2 stops21h 38m

$2,352

BaltimoreKumamoto

BWI - KMJ

BWIKMJ

Baltimore/Washington

Sun 9/20

6:15 am-9:20 am

2 stops38h 05m

Kumamoto

Thu 9/24

8:40 am-5:56 pm

2 stops22h 16m

$2,606

BaltimoreKumamoto

BWI - KMJ

BWIKMJ

Baltimore/Washington

Thu 9/10

6:15 am-6:35 pm

2 stops23h 20m

Kumamoto

Mon 9/14

3:20 pm-5:56 pm

2 stops39h 36m

$2,656

Washington, D.C.Kumamoto

DCA - KMJ

DCAKMJ

Washington, D.C. Reagan-National

Sun 10/4

10:49 am-8:55 pm

2 stops21h 06m

Kumamoto

Thu 10/8

7:35 am-6:27 pm

2 stops23h 52m

$2,726

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 10/4

1:15 pm-6:35 pm

1 stop40h 20m

Kumamoto

Thu 10/8

7:35 pm-11:05 am

1 stop28h 30m

$11,315

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 10/4

7:00 am-6:35 pm

2 stops46h 35m

Kumamoto

Thu 10/8

7:35 pm-11:05 am

1 stop28h 30m

$11,320

Washington, D.C.Kumamoto

IAD - KMJ

IADKMJ

Washington, D.C. Dulles Intl

Sun 10/4

1:15 pm-6:35 pm

1 stop40h 20m

Kumamoto

Thu 10/8

7:35 pm-11:05 am

1 stop28h 30m

$11,759

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kumamoto from

How to get the cheapest flight ticket from Washington, D.C. to Kumamoto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Kumamoto?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Kumamoto you fly into. For example, flying from Baltimore to Fukuoka takes 24h 45m on average. On the other hand, flying from Washington, D.C. to Fukuoka takes 25h 53m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When to book flights from Washington, D.C. to Kumamoto

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Kumamoto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Kumamoto (WAS to KMJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Kumamoto

Fastest flight time

21h 06m

Direct flights

None
The fastest flight from Washington, D.C. to Kumamoto takes 21h 06m
There are no direct flights from Washington, D.C. to Kumamoto. There are no popular flight routes from Washington, D.C. to Kumamoto.
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Frequently asked questions about flying from Washington, D.C. to Kumamoto

  • How far is Washington, D.C. to Kumamoto by plane?

    The distance between Washington, D.C. and Kumamoto is about 7167.5 mi. 21h 06m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Kumamoto Airport?

    Prices for flights from Washington, D.C. to Kumamoto Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. to Kumamoto Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Kumamoto Airport.

  • What documentation or ID do you need to fly to Kumamoto Airport?

    The required travel and health documents for your Kumamoto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kumamoto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Kumamoto?

Book flights to Kumamoto if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Kumamoto?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Kumamoto. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Kumamoto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Kumamoto flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Kumamoto?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kumamoto from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Kumamoto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Kumamoto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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