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Kumamoto

$847+ Cheap flights from Washington 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KMJ
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Washington to Kumamoto

Keep the following information in mind while searching for Washington to Kumamoto flight deals. Data was last updated April 3, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
1 star

Round-trip from

$847
(Justfly.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Kumamoto flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kumamoto flights.
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From Washington to Kumamoto
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Find flight deals from Washington to Kumamoto

Cheapest flights from Washington to Kumamoto
Explore the most affordable flight options available from Washington to Kumamoto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This KAYAK deal was found by Cheapflights users on 4/2. 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.
Thu 10/165:45 amPDX - KMJ
2 stops23h 15mANA
Wed 10/228:35 pmKMJ - PDX
2 stops34h 07mANA
Deal found 4/2$915
This oojo deal was found by Cheapflights users on 4/2. 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.
Tue 4/221:10 amSEA - KMJ
1 stop24h 30mChina Airlines
Mon 5/56:40 pmKMJ - SEA
1 stop16h 50mChina Airlines
Deal found 4/2$921
This Justfly.com deal was found by Cheapflights users on 4/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/227:15 amSEA - KMJ
2 stops21h 40mANA
Sun 5/47:35 amKMJ - SEA
1 stop22h 50mANA
Deal found 4/2$940
This STARLUX Airlines deal was found by Cheapflights users on 4/2. 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 4/131:15 amSEA - KMJ
1 stop17h 30mSTARLUX Airlines
Thu 5/2911:55 amKMJ - SEA
1 stop20h 15mSTARLUX Airlines
Deal found 4/2$1,016
This Ovago deal was found by Cheapflights users on 4/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:08 amSEA - KMJ
2 stops22h 42mJapan Airlines
Mon 5/58:55 amKMJ - SEA
2 stops23h 45mJapan Airlines
Deal found 4/2$1,076
This oojo deal was found by Cheapflights users on 4/2. 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.
Sat 4/192:15 pmSEA - KMJ
1 stop30h 45mAsiana Airlines
Sat 5/32:00 pmKMJ - SEA
1 stop14h 30mAsiana Airlines
Deal found 4/2$1,139
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:33 pmSEA - KMJ
2 stops43h 47mMultiple Airlines
Fri 5/237:30 pmKMJ - SEA
1 stop32h 00mMultiple Airlines
Deal found 4/2$1,230
This STARLUX Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 7/29:59 pmPDX - KMJ
2 stops20h 46mSTARLUX Airlines
Wed 7/2311:55 amKMJ - PDX
2 stops25h 18mSTARLUX Airlines
Deal found 4/2$2,032
This Delta deal was found by Cheapflights users on 4/2. 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.
Mon 4/2112:45 amSEA - KMJ
2 stops42h 20mDelta
Sun 5/412:05 pmKMJ - SEA
1 stop17h 30mDelta
Deal found 4/2$2,550

Cheapflights Fare Finder

Customize your flight search to find flights from Washington 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 April 3, 2025.
Use the filters below to find and compare flights from Washington to Kumamoto that are best for you.

Fly from

Washington

Fly to

Kumamoto

Route

Depart

Return

Price

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 4/22

1:10 am-5:40 pm

1 stop24h 30m

Kumamoto

Mon 5/5

6:40 pm-7:30 pm

1 stop16h 50m

$921

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 4/22

7:15 am-8:55 pm

2 stops21h 40m

Kumamoto

Sun 5/4

7:35 am-2:25 pm

1 stop22h 50m

$940

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sun 4/13

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

Thu 5/29

11:55 am-4:10 pm

1 stop20h 15m

$1,016

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Wed 4/23

6:08 am-8:50 pm

2 stops22h 42m

Kumamoto

Mon 5/5

8:55 am-4:40 pm

2 stops23h 45m

$1,076

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sat 4/19

2:15 pm-1:00 pm

1 stop30h 45m

Kumamoto

Sat 5/3

2:00 pm-12:30 pm

1 stop14h 30m

$1,139

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Fri 5/16

9:33 pm-9:20 am

2 stops43h 47m

Kumamoto

Fri 5/23

7:30 pm-11:30 am

1 stop32h 00m

$1,230

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Wed 7/2

9:59 pm-10:45 am

2 stops20h 46m

Kumamoto

Wed 7/23

11:55 am-9:13 pm

2 stops25h 18m

$2,032

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Mon 4/21

12:45 am-11:05 am

2 stops42h 20m

Kumamoto

Sun 5/4

12:05 pm-1:35 pm

1 stop17h 30m

$2,550

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Best time to book a flight from Washington to Kumamoto

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

Rainfall in Kumamoto by month

Plan your trip to Kumamoto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kumamoto ranges from 2.0 - 14.2 inches per month. June is typically the wettest month, when rainfall can reach 14.2 in. December is typically the driest time to visit Kumamoto when rainfall is around 2.0 in.

Temperature in Kumamoto by month

Plan your trip to Kumamoto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kumamoto, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 3, 2025.
To help decide which airline to fly from Washington to Kumamoto, see what other customers have to say about STARLUX Airlines, Japan Airlines and ANA. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
147 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
147 reviews
STARLUX Airlines
9.1
Wonderful
147 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,441 reviews
STARLUX Airlines
9.1
Wonderful
147 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
830 reviews
STARLUX Airlines
9.1
Wonderful
147 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
724 reviews
STARLUX Airlines
9.1
Wonderful
147 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Asiana Airlines
8.2
Very good
438 reviews
STARLUX Airlines
9.1
Wonderful
147 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

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

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

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

  • How can I find direct flights from Washington to Kumamoto?

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

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

    Yes. Cheapflights offers flight deals from Washington 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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