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Cheap flights from Seattle to Kumamoto from $1,151

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kumamoto departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Kumamoto

Cheap round-trip flights

Enter your travel dates to find the best prices.
STARLUX Airlines Logo
1:15 am - 10:45 am
SEA
-
KMJ
17h 30m
1 stop
STARLUX Airlines Logo
11:55 am - 4:10 pm
KMJ
-
SEA
20h 15m
1 stop
$1,151STARLUX Airlines
Sat, Sep 5 - Wed, Sep 9
STARLUX Airlines Logo
1:15 am - 10:45 am
SEA
-
KMJ
17h 30m
1 stop
STARLUX Airlines Logo
11:55 am - 4:10 pm
KMJ
-
SEA
20h 15m
1 stop
$1,152STARLUX Airlines
Sat, Sep 5 - Wed, Sep 9
Japan Airlines Logo
1:15 pm - 9:20 am
SEA
-
KMJ
28h 05m
1 stop
Japan Airlines Logo
10:20 am - 3:58 pm
KMJ
-
SEA
21h 38m
2 stops
$1,567Japan Airlines
Sun, Sep 6 - Wed, Sep 9
Japan Airlines Logo
1:15 pm - 9:20 am
SEA
-
KMJ
28h 05m
1 stop
Japan Airlines Logo
10:20 am - 3:58 pm
KMJ
-
SEA
21h 38m
2 stops
$1,568Japan Airlines
Sun, Sep 6 - Wed, Sep 9
Japan Airlines Logo
7:00 am - 7:20 pm
SEA
-
KMJ
20h 20m
2 stops
Japan Airlines Logo
12:25 pm - 3:58 pm
KMJ
-
SEA
19h 33m
2 stops
$1,861Japan Airlines
Sun, Sep 6 - Wed, Sep 9

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STARLUX Airlines flights from Seattle to Kumamoto

Our best STARLUX Airlines deals on Seattle to Kumamoto flight tickets
STARLUX Airlines
Sep 5
SEA1:15 amSeattle/Tacoma Intl
17h 30m
1 stop
KMJ10:45 amKumamoto
Sep 9
KMJ11:55 amKumamoto
20h 15m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$1,151
STARLUX Airlines
Sep 5
SEA1:15 amSeattle/Tacoma Intl
17h 30m
1 stop
KMJ10:45 amKumamoto
Sep 9
KMJ11:55 amKumamoto
20h 15m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$1,152
STARLUX Airlines
Aug 9
SEA1:15 amSeattle/Tacoma Intl
17h 30m
1 stop
KMJ10:45 amKumamoto
Aug 24
KMJ11:55 amKumamoto
20h 40m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
$1,371

Japan Airlines flights from Seattle to Kumamoto

Our best Japan Airlines deals on Seattle to Kumamoto flight tickets
Japan Airlines
Sep 6
SEA1:15 pmSeattle/Tacoma Intl
28h 05m
1 stop
KMJ9:20 amKumamoto
Sep 9
KMJ10:20 amKumamoto
21h 38m
2 stops
SEA3:58 pmSeattle/Tacoma Intl
$1,567
Japan Airlines
Sep 6
SEA1:15 pmSeattle/Tacoma Intl
28h 05m
1 stop
KMJ9:20 amKumamoto
Sep 9
KMJ10:20 amKumamoto
21h 38m
2 stops
SEA3:58 pmSeattle/Tacoma Intl
$1,568
Japan Airlines
Sep 6
SEA7:00 amSeattle/Tacoma Intl
20h 20m
2 stops
KMJ7:20 pmKumamoto
Sep 9
KMJ12:25 pmKumamoto
19h 33m
2 stops
SEA3:58 pmSeattle/Tacoma Intl
$1,861

momondo 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, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Seattle to Kumamoto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sat 9/5

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

Wed 9/9

11:55 am-4:10 pm

1 stop20h 15m

$1,151

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sat 9/5

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

Wed 9/9

11:55 am-4:10 pm

1 stop20h 15m

$1,152

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sun 9/6

1:15 pm-9:20 am

1 stop28h 05m

Kumamoto

Wed 9/9

10:20 am-3:58 pm

2 stops21h 38m

$1,567

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sun 9/6

1:15 pm-9:20 am

1 stop28h 05m

Kumamoto

Wed 9/9

10:20 am-3:58 pm

2 stops21h 38m

$1,568

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sun 9/6

7:00 am-7:20 pm

2 stops20h 20m

Kumamoto

Wed 9/9

12:25 pm-3:58 pm

2 stops19h 33m

$1,861

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 Seattle 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

What airlines fly to Kumamoto?

ANA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Kumamoto from Seattle according to our data. ANA is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Kumamoto. Keep in mind that there are 3 different airlines that fly to Kumamoto on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Kumamoto

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

Cheap Seattle to Kumamoto (SEA to KMJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Kumamoto

Fastest flight time

28h 05m

Direct flights

None
The fastest flight from Seattle to Kumamoto takes 28h 05m
There are no direct flights from Seattle to Kumamoto. There are no popular flight routes from Seattle to Kumamoto.
Search flight deals

Frequently asked questions about flying from Seattle to Kumamoto

  • How far is Seattle/Tacoma Intl to Kumamoto by plane?

    The distance between Seattle/Tacoma Intl and Kumamoto is about 5276.4 mi. Flights usually cover this in 28h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kumamoto Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Kumamoto Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport to Kumamoto Airport.

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

    The travel and health documents you'll need for your trip to Kumamoto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kumamoto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Kumamoto?

Book flights to Kumamoto if you plan to visit one of these locations
Aso

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Kumamoto?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kumamoto from Seattle.

Can I find flights from Seattle to Kumamoto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Kumamoto flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Kumamoto?

momondo provides multiple filters to help you find the best flight to Kumamoto from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Kumamoto from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Kumamoto trip

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Find better results for your trip to Japan

Fly your favorite airline to Kumamoto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
ANA
Asiana Airlines
Korean Air