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Cheap flights from Seattle to Kumamoto from $546

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kumamoto departing on 7/20. 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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0 bags

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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
11:45 am - 3:05 pm
KMJ
-
SEA
20h 20m
1 stop
$1,136STARLUX Airlines
Fri, Oct 16 - Tue, Nov 17
Multiple Airlines Logo
7:05 pm - 5:40 pm
SEA
-
KMJ
30h 35m
2 stops
Multiple Airlines Logo
6:30 pm - 6:10 pm
KMJ
-
SEA
16h 40m
1 stop
$1,161Multiple Airlines
Sat, Oct 17 - Tue, Nov 17
Multiple Airlines Logo
4:25 pm - 7:00 pm
SEA
-
KMJ
34h 35m
2 stops
Multiple Airlines Logo
9:55 am - 12:25 pm
KMJ
-
SEA
42h 30m
2 stops
$1,175Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
5:59 pm - 10:45 am
SEA
-
KMJ
24h 46m
2 stops
Multiple Airlines Logo
11:45 am - 9:09 am
KMJ
-
SEA
38h 24m
2 stops
$1,282Multiple Airlines
Sat, Oct 17 - Tue, Nov 17
Multiple Airlines Logo
5:45 am - 9:25 am
SEA
-
KMJ
35h 40m
2 stops
Multiple Airlines Logo
11:55 am - 4:10 pm
KMJ
-
SEA
20h 15m
1 stop
$1,528Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
5:45 am - 9:25 am
SEA
-
KMJ
35h 40m
2 stops
Multiple Airlines Logo
9:55 am - 6:32 pm
KMJ
-
SEA
24h 37m
3 stops
$1,775Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
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
$1,794STARLUX Airlines
Mon, Jun 15 - Tue, Jun 23
Multiple Airlines Logo
7:00 am - 9:25 am
SEA
-
KMJ
34h 25m
3 stops
Multiple Airlines Logo
9:55 am - 6:32 pm
KMJ
-
SEA
24h 37m
3 stops
$1,824Multiple Airlines
Tue, Jun 16 - Tue, Jun 23

STARLUX Airlines flights from Seattle to Kumamoto

Our best STARLUX Airlines deals on Seattle to Kumamoto flight tickets
STARLUX Airlines
Oct 16
SEA1:15 amSeattle/Tacoma Intl
17h 30m
1 stop
KMJ10:45 amKumamoto
Nov 17
KMJ11:45 amKumamoto
20h 20m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
$1,136
STARLUX Airlines
Jun 15
SEA1:15 amSeattle/Tacoma Intl
17h 30m
1 stop
KMJ10:45 amKumamoto
Jun 23
KMJ11:55 amKumamoto
20h 15m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$1,794

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 May 6, 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

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Fri 10/16

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

Tue 11/17

11:45 am-3:05 pm

1 stop20h 20m

$1,136

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sat 10/17

7:05 pm-5:40 pm

2 stops30h 35m

Kumamoto

Tue 11/17

6:30 pm-6:10 pm

1 stop16h 40m

$1,161

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 6/16

4:25 pm-7:00 pm

2 stops34h 35m

Kumamoto

Tue 6/23

9:55 am-12:25 pm

2 stops42h 30m

$1,175

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Sat 10/17

5:59 pm-10:45 am

2 stops24h 46m

Kumamoto

Tue 11/17

11:45 am-9:09 am

2 stops38h 24m

$1,282

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 6/16

5:45 am-9:25 am

2 stops35h 40m

Kumamoto

Tue 6/23

11:55 am-4:10 pm

1 stop20h 15m

$1,528

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 6/16

5:45 am-9:25 am

2 stops35h 40m

Kumamoto

Tue 6/23

9:55 am-6:32 pm

3 stops24h 37m

$1,775
Quickest round-trip

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Mon 6/15

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

Tue 6/23

11:55 am-4:10 pm

1 stop20h 15m

$1,794

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 6/16

7:00 am-9:25 am

3 stops34h 25m

Kumamoto

Tue 6/23

9:55 am-6:32 pm

3 stops24h 37m

$1,824
Cheapest one-way

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Mon 7/20

12:10 am-7:00 pm

2 stops26h 50m

$546

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Mon 7/20

12:10 am-2:45 pm

2 stops22h 35m

$562

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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 is the cheapest airline that flies from Seattle/Tacoma Intl to Kumamoto?

American Airlines and ANA are the most popular carriers operating from Seattle/Tacoma Intl to Kumamoto

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 48% of people opting to fly with this airline when traveling to Kumamoto. Keep in mind that there are 4 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

30h 35m

Direct flights

None
The fastest flight from Seattle to Kumamoto takes 30h 35m
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 30h 35m, 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
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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.

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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
Japan Airlines