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Cheap flights from Washington to Kumamoto from $920

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Kumamoto departing on 6/30. 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 Washington 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
$1,099STARLUX Airlines
Sun, Oct 18 - Sat, Oct 24
ANA Logo
3:40 pm - 5:25 pm
SEA
-
KMJ
32h 45m
1 stop
ANA Logo
6:10 pm - 1:20 pm
KMJ
-
SEA
12h 10m
1 stop
$1,102ANA
Wed, Nov 25 - Wed, Dec 2
ANA Logo
6:57 am - 8:55 pm
SEA
-
KMJ
20h 58m
2 stops
ANA Logo
12:35 pm - 1:20 pm
KMJ
-
SEA
17h 45m
1 stop
$1,107ANA
Tue, Nov 24 - Thu, Dec 3
ANA Logo
6:57 am - 8:55 pm
SEA
-
KMJ
20h 58m
2 stops
ANA Logo
12:30 pm - 1:20 pm
KMJ
-
SEA
17h 50m
2 stops
$1,111ANA
Tue, Nov 24 - Thu, Dec 3
ANA Logo
4:30 pm - 10:30 am
SEA
-
KMJ
26h 00m
2 stops
ANA Logo
8:20 pm - 2:20 pm
KMJ
-
SEA
34h 00m
1 stop
$1,124ANA
Mon, Oct 19 - Sat, Oct 24
STARLUX Airlines Logo
7:40 pm - 10:45 am
PDX
-
KMJ
23h 05m
2 stops
STARLUX Airlines Logo
11:55 am - 7:50 pm
KMJ
-
PDX
23h 55m
2 stops
$1,126STARLUX Airlines
Sun, Aug 30 - Thu, Sep 3
Multiple Airlines Logo
12:50 pm - 9:55 am
SEA
-
KMJ
29h 05m
2 stops
Multiple Airlines Logo
8:20 pm - 10:00 am
KMJ
-
SEA
29h 40m
2 stops
$1,150Multiple Airlines
Mon, Oct 19 - Sat, Oct 24
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
Mon, Sep 7 - Fri, Sep 11
China Airlines Logo
12:10 am - 5:30 pm
SEA
-
KMJ
24h 20m
1 stop
China Airlines Logo
6:30 pm - 6:10 pm
KMJ
-
SEA
16h 40m
1 stop
$1,193China Airlines
Tue, Nov 24 - Tue, Dec 1
Japan Airlines Logo
7:26 am - 6:35 pm
SEA
-
KMJ
43h 09m
2 stops
Japan Airlines Logo
9:55 am - 10:50 am
KMJ
-
SEA
16h 55m
1 stop
$1,311Japan Airlines
Thu, Jul 23 - Thu, Jul 30

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STARLUX Airlines flights from State of Washington to Kumamoto

Our best STARLUX Airlines deals on State of Washington to Kumamoto flight tickets
STARLUX Airlines
Oct 18
SEA1:15 amSeattle/Tacoma Intl
17h 30m
1 stop
KMJ10:45 amKumamoto
Oct 24
KMJ11:55 amKumamoto
20h 15m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$1,099
STARLUX Airlines
Aug 30
PDX7:40 pmPortland
23h 05m
2 stops
KMJ10:45 amKumamoto
Sep 3
KMJ11:55 amKumamoto
23h 55m
2 stops
PDX7:50 pmPortland
$1,126
STARLUX Airlines
Sep 7
SEA1:15 amSeattle/Tacoma Intl
17h 30m
1 stop
KMJ10:45 amKumamoto
Sep 11
KMJ11:55 amKumamoto
20h 15m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$1,152

ANA flights from State of Washington to Kumamoto

Our best ANA deals on State of Washington to Kumamoto flight tickets
ANA
Nov 25
SEA3:40 pmSeattle/Tacoma Intl
32h 45m
1 stop
KMJ5:25 pmKumamoto
Dec 2
KMJ6:10 pmKumamoto
12h 10m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,102
ANA
Nov 24
SEA6:57 amSeattle/Tacoma Intl
20h 58m
2 stops
KMJ8:55 pmKumamoto
Dec 3
KMJ12:35 pmKumamoto
17h 45m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,107
ANA
Nov 24
SEA6:57 amSeattle/Tacoma Intl
20h 58m
2 stops
KMJ8:55 pmKumamoto
Dec 3
KMJ12:30 pmKumamoto
17h 50m
2 stops
SEA1:20 pmSeattle/Tacoma Intl
$1,111

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Washington 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

Sun 10/18

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

Sat 10/24

11:55 am-4:10 pm

1 stop20h 15m

$1,099

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Wed 11/25

3:40 pm-5:25 pm

1 stop32h 45m

Kumamoto

Wed 12/2

6:10 pm-1:20 pm

1 stop12h 10m

$1,102

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 11/24

6:57 am-8:55 pm

2 stops20h 58m

Kumamoto

Thu 12/3

12:35 pm-1:20 pm

1 stop17h 45m

$1,107

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 11/24

6:57 am-8:55 pm

2 stops20h 58m

Kumamoto

Thu 12/3

12:30 pm-1:20 pm

2 stops17h 50m

$1,111

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Mon 10/19

4:30 pm-10:30 am

2 stops26h 00m

Kumamoto

Sat 10/24

8:20 pm-2:20 pm

1 stop34h 00m

$1,124

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Sun 8/30

7:40 pm-10:45 am

2 stops23h 05m

Kumamoto

Thu 9/3

11:55 am-7:50 pm

2 stops23h 55m

$1,126

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Mon 10/19

12:50 pm-9:55 am

2 stops29h 05m

Kumamoto

Sat 10/24

8:20 pm-10:00 am

2 stops29h 40m

$1,150

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Mon 9/7

1:15 am-10:45 am

1 stop17h 30m

Kumamoto

Fri 9/11

11:55 am-4:10 pm

1 stop20h 15m

$1,152

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Tue 11/24

12:10 am-5:30 pm

1 stop24h 20m

Kumamoto

Tue 12/1

6:30 pm-6:10 pm

1 stop16h 40m

$1,193

SeattleKumamoto

SEA - KMJ

SEAKMJ

Seattle/Tacoma Intl

Thu 7/23

7:26 am-6:35 pm

2 stops43h 09m

Kumamoto

Thu 7/30

9:55 am-10:50 am

1 stop16h 55m

$1,311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Kumamoto from

How to get the cheapest flight ticket from State of Washington 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 Washington to Kumamoto?

China Airlines and ANA are the most popular carriers operating from Washington 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 State of Washington 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.

Cheap State of Washington to Kumamoto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Kumamoto

Fastest flight time

23h 05m

Direct flights

None
The fastest flight from State of Washington to Kumamoto takes 23h 05m
There are no direct flights from State of Washington to Kumamoto. There are no popular flight routes from State of Washington to Kumamoto.
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Frequently asked questions about flying from Washington to Kumamoto

  • When did momondo last update prices for flights from Washington to Kumamoto Airport?

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

  • How old do you have to be to fly from Washington to Kumamoto Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington 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 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 Washington.

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

Yes. All flights to Kumamoto from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington to Kumamoto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Kumamoto from Washington. 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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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