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Cheap flights from Boston to Kumamoto from $2,079

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kumamoto departing on 6/3. 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 Boston to Kumamoto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
7:00 am - 7:00 pm
BOS
-
KMJ
23h 00m
2 stops
Japan Airlines Logo
9:55 am - 6:10 pm
KMJ
-
BOS
21h 15m
1 stop
$3,467Japan Airlines
Mon, Sep 7 - Thu, Sep 10
Japan Airlines Logo
7:00 am - 7:00 pm
BOS
-
KMJ
23h 00m
2 stops
Japan Airlines Logo
9:55 am - 6:10 pm
KMJ
-
BOS
21h 15m
1 stop
$3,468Japan Airlines
Mon, Sep 7 - Thu, Sep 10
Japan Airlines Logo
7:00 am - 7:00 pm
BOS
-
KMJ
23h 00m
2 stops
Japan Airlines Logo
9:55 am - 11:57 pm
KMJ
-
BOS
27h 02m
2 stops
$3,477Japan Airlines
Mon, Sep 7 - Thu, Sep 10
Japan Airlines Logo
7:00 am - 7:00 pm
BOS
-
KMJ
23h 00m
2 stops
Japan Airlines Logo
9:55 am - 11:57 pm
KMJ
-
BOS
27h 02m
2 stops
$3,478Japan Airlines
Mon, Sep 7 - Thu, Sep 10
Multiple Airlines Logo
9:40 am - 5:40 pm
BOS
-
KMJ
43h 00m
2 stops
Multiple Airlines Logo
6:40 pm - 8:40 am
KMJ
-
BOS
27h 00m
2 stops
$3,858Multiple Airlines
Wed, May 20 - Sun, May 24
Multiple Airlines Logo
6:20 am - 5:40 pm
BOS
-
KMJ
46h 20m
2 stops
Multiple Airlines Logo
9:55 am - 6:15 pm
KMJ
-
BOS
21h 20m
1 stop
$5,348Multiple Airlines
Wed, May 20 - Sun, May 24
Korean Air Logo
12:55 pm - 6:35 pm
BOS
-
KMJ
40h 40m
1 stop
Korean Air Logo
7:35 pm - 10:10 am
KMJ
-
BOS
27h 35m
1 stop
$11,759Korean Air
Mon, Sep 7 - Thu, Sep 10
Japan Airlines Logo
1:15 pm - 9:20 am
BOS
-
KMJ
31h 05m
1 stop
Japan Airlines Logo
9:55 am - 6:15 pm
KMJ
-
BOS
21h 20m
1 stop
$12,797Japan Airlines
Wed, May 20 - Sun, May 24

Japan Airlines flights from Boston to Kumamoto

Our best Japan Airlines deals on Boston to Kumamoto flight tickets
Japan Airlines
Sep 7
BOS7:00 amBoston Logan Intl
23h 00m
2 stops
KMJ7:00 pmKumamoto
Sep 10
KMJ9:55 amKumamoto
21h 15m
1 stop
BOS6:10 pmBoston Logan Intl
$3,467
Japan Airlines
Sep 7
BOS7:00 amBoston Logan Intl
23h 00m
2 stops
KMJ7:00 pmKumamoto
Sep 10
KMJ9:55 amKumamoto
21h 15m
1 stop
BOS6:10 pmBoston Logan Intl
$3,468
Japan Airlines
Sep 7
BOS7:00 amBoston Logan Intl
23h 00m
2 stops
KMJ7:00 pmKumamoto
Sep 10
KMJ9:55 amKumamoto
27h 02m
2 stops
BOS11:57 pmBoston Logan Intl
$3,477

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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 Boston to Kumamoto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Mon 9/7

7:00 am-7:00 pm

2 stops23h 00m

Kumamoto

Thu 9/10

9:55 am-6:10 pm

1 stop21h 15m

$3,467

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Mon 9/7

7:00 am-7:00 pm

2 stops23h 00m

Kumamoto

Thu 9/10

9:55 am-6:10 pm

1 stop21h 15m

$3,468

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Mon 9/7

7:00 am-7:00 pm

2 stops23h 00m

Kumamoto

Thu 9/10

9:55 am-11:57 pm

2 stops27h 02m

$3,477

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Mon 9/7

7:00 am-7:00 pm

2 stops23h 00m

Kumamoto

Thu 9/10

9:55 am-11:57 pm

2 stops27h 02m

$3,478

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Wed 5/20

9:40 am-5:40 pm

2 stops43h 00m

Kumamoto

Sun 5/24

6:40 pm-8:40 am

2 stops27h 00m

$3,858

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Wed 5/20

6:20 am-5:40 pm

2 stops46h 20m

Kumamoto

Sun 5/24

9:55 am-6:15 pm

1 stop21h 20m

$5,348

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Mon 9/7

12:55 pm-6:35 pm

1 stop40h 40m

Kumamoto

Thu 9/10

7:35 pm-10:10 am

1 stop27h 35m

$11,759

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Wed 5/20

1:15 pm-9:20 am

1 stop31h 05m

Kumamoto

Sun 5/24

9:55 am-6:15 pm

1 stop21h 20m

$12,797
Cheapest one-way
Quickest one-way

BostonKumamoto

BOS - KMJ

BOSKMJ

Boston Logan Intl

Wed 6/3

7:20 am-9:45 am

2 stops37h 25m

$2,079

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 Boston 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?

Cathay Pacific, ANA and Korean Air are the top three most popular airlines that fly to Kumamoto from Boston according to our data. Cathay Pacific 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 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 Boston to Kumamoto

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

Cheap Boston to Kumamoto (BOS to KMJ) flight deals and tips

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

Fastest flight time

23h 00m

Direct flights

None
The fastest flight from Boston to Kumamoto takes 23h 00m
There are no direct flights from Boston to Kumamoto. There are no popular flight routes from Boston to Kumamoto.
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Frequently asked questions about flying from Boston to Kumamoto

  • How far is Boston Logan Intl to Kumamoto by plane?

    The straight-line distance from Boston Logan Intl to Kumamoto is 7058.3 mi. Flights usually cover this in 23h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Kumamoto Airport?

    Prices for flights from Boston Logan Intl Airport to Kumamoto Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Boston Logan Intl Airport to Kumamoto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Kumamoto Airport.

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

    The necessary travel and health documents for your Kumamoto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 Boston to Kumamoto?

Finding the right flight to Kumamoto from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kumamoto quick and easy, saving you time and money.

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

Flights from Boston to Kumamoto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Boston and Kumamoto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Kumamoto, momondo offers a useful price alert feature which will track prices for flights to Kumamoto from Boston and alert you when they 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
Cathay Pacific
ANA
Korean Air