$610 Cheap Flights from Kumamoto (KMJ) to Boston (BOS)

View $610 flight on Thu, Oct 16, 2025Opens in a new window

Popular airlines from Kumamoto Airport (KMJ) to Logan International Airport (BOS)

Cheap Flights from Kumamoto to Boston (KMJ-BOS)

Prices were available within the past 7 days and start at $610 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS) cost?
Secure a cheap one-way flight from $610 or cheap return flight from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS)?
The cheapest month to fly from KMJ to BOS is , when demand is low. Off-peak months are usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS)?
To find the cheapest airline that'll fly you from KMJ to BOS, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS)?
You'll have to take a flight with a layover when traveling from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from KMJ to BOS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS)?
To avoid possible delays on the Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS) last-minute?
Booking your ticket from KMJ to BOS just before your journey is usually more expensive. But if you're flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a KMJ to BOS flight and hotel package?
Securing a KMJ to BOS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kumamoto Airport (KMJ) to Logan Intl. Airport (BOS)?
Typically, you can reschedule or cancel your KMJ to BOS flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Kumamoto
Destination airport
Logan Intl.
Distance
7058 mi

Book with confidence

Book with confidence

Kumamoto to Boston Flights

The cheapest times to fly from Kumamoto to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kumamoto to Boston are during the month of . You can find some of the cheapest flights from Kumamoto to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kumamoto to Boston

Sunday is one of the best days to book for cheap flights from Kumamoto to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kumamoto to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kumamoto to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $610 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kumamoto to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kumamoto to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kumamoto to Boston Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.