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Kumamoto

$385+ Cheap flights from Seattle (SEA) 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KMJ
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from Seattle to Kumamoto

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 julio 3, 2025.

Round-trip from

$1,589
(STARLUX Airlines)

One-way from

$385
(KAYAK)
From Seattle/Tacoma Intl to Kumamoto
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One-way flight from Seattle/Tacoma Intl to Kumamoto
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Find flight deals from Seattle to Kumamoto

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

This Japan Airlines deal was found by Cheapflights users on 7/2. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/208:00 amSEA - KMJ
2 stops20h 45mJapan Airlines
vie. 10/247:45 amKMJ - SEA
2 stops18h 40mJapan Airlines
Deal found 7/2$905
This ANA deal was found by Cheapflights users on 7/2. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/204:30 pmSEA - KMJ
1 stop25h 25mANA
vie. 10/248:10 amKMJ - SEA
1 stop22h 15mANA
Deal found 7/2$993
This STARLUX Airlines deal was found by Cheapflights users on 7/2. 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.
dom. 10/191:15 amSEA - KMJ
1 stop17h 30mSTARLUX Airlines
vie. 10/2411:55 amKMJ - SEA
1 stop20h 15mSTARLUX Airlines
Deal found 7/2$1,014

Cheapflights Fare Finder

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

Fly from

Seattle

Fly to

Kumamoto

Route

Depart

Return

Price

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

lun. 10/20

8:00 am-8:45 pm

2 stops20h 45m

Kumamoto

vie. 10/24

7:45 am-10:25 am

2 stops18h 40m

$905

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

lun. 10/20

4:30 pm-9:55 am

1 stop25h 25m

Kumamoto

vie. 10/24

8:10 am-2:25 pm

1 stop22h 15m

$993

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

dom. 10/19

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

vie. 10/24

11:55 am-4:10 pm

1 stop20h 15m

$1,014

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

lun. 9/1

1:30 pm-11:45 am

1 stop30h 15m

$385

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

dom. 8/31

1:40 am-5:40 pm

1 stop24h 00m

$509

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

lun. 9/1

5:41 pm-9:20 am

3 stops47h 39m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Seattle to Kumamoto

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

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 julio 3, 2025.
See what other customers who have flown with STARLUX Airlines, Japan Airlines, and China Airlines from Seattle to Kumamoto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,505 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
744 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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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