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$433+ Cheap flights from Boston (BOS) to Japan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FUK
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Boston to Japan

Keep the following information in mind while searching for Boston to Japan flight deals. Data was last updated August 18, 2025.

Round-trip from

$788
(Air Canada)

One-way from

$433
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,194

Good round-trip deal

$1,178 or less

Good one-way deal

$553 or less
From Boston Logan Intl to Japan
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One-way flight from Boston Logan Intl to Japan
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Highest demand for flights based on searches. 1% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Japan.
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Price to beat on a one-way flight from Boston Logan Intl to Japan.
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Find flight deals from Boston to Japan

Cheapest flights from Boston to Japan
Explore the most affordable flight options available from Boston to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:30 pmBOS - KIX
2 stops32h 55mAir Canada
Tue 9/236:05 pmKIX - BOS
2 stops28h 25mAir Canada
Deal found 8/17$788
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amBOS - KIX
2 stops21h 25mAir Canada
Wed 10/16:05 pmKIX - BOS
2 stops28h 25mAir Canada
Deal found 8/16$794
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:20 amBOS - NGO
2 stops19h 15mAir Canada
Tue 9/92:10 pmNGO - BOS
2 stops32h 20mAir Canada
Deal found 8/16$798
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:15 pmBOS - KIX
1 stop39h 10mAir Canada
Wed 9/246:05 pmKIX - BOS
1 stop17h 34mAir Canada
Deal found 8/16$802
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amBOS - NGO
2 stops23h 35mMultiple Airlines
Thu 9/182:10 pmNGO - BOS
2 stops32h 20mMultiple Airlines
Deal found 8/17$807
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:00 amBOS - ITM
2 stops24h 10mAir Canada
Thu 9/112:00 pmITM - BOS
2 stops21h 39mAir Canada
Deal found 8/17$807
This eDestinos deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:40 amBOS - NGO
1 stop30h 35mCathay Pacific
Thu 9/1810:10 amNGO - BOS
1 stop26h 25mCathay Pacific
Deal found 8/17$808
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:40 amBOS - FUK
1 stop22h 10mCathay Pacific
Tue 10/74:40 pmFUK - BOS
1 stop43h 20mCathay Pacific
Deal found 8/16$837
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:40 amBOS - NGO
1 stop30h 35mCathay Pacific
Mon 9/2210:10 amNGO - BOS
1 stop25h 50mCathay Pacific
Deal found 8/16$842
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:40 amBOS - KIX
1 stop27h 30mCathay Pacific
Wed 10/15:45 pmKIX - BOS
1 stop42h 15mCathay Pacific
Deal found 8/17$845
This Gurufare deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:30 amBOS - KIX
1 stop30h 35mCathay Pacific
Wed 11/129:25 amKIX - BOS
1 stop26h 35mCathay Pacific
Deal found 8/18$846
This Gotogate deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/71:40 amBOS - KIX
1 stop30h 35mCathay Pacific
Wed 9/249:10 amKIX - BOS
1 stop27h 15mCathay Pacific
Deal found 8/16$851

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Japan 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, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Boston to Japan that are best for you.

Fly from

Boston

Fly to

Japan

Route

Depart

Return

Price

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 9/16

6:30 pm-4:25 pm

2 stops32h 55m

Osaka Kansai Intl

Tue 9/23

6:05 pm-9:30 am

2 stops28h 25m

$788

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 9/30

6:00 am-4:25 pm

1 stop21h 25m

Osaka Kansai Intl

Tue 10/7

6:05 pm-9:30 am

2 stops28h 25m

$794

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 9/17

6:00 am-4:25 pm

2 stops21h 25m

Osaka Kansai Intl

Wed 10/1

6:05 pm-10:39 pm

1 stop17h 34m

$794

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Sun 8/31

6:40 pm-4:25 pm

2 stops32h 45m

Osaka Kansai Intl

Thu 9/11

6:05 pm-9:55 am

2 stops28h 50m

$794

BostonNagoya

BOS - NGO

BOSNGO

Boston Logan Intl

Mon 8/25

10:20 am-6:35 pm

2 stops19h 15m

Nagoya Chubu Centrair Intl

Tue 9/9

2:10 pm-9:30 am

2 stops32h 20m

$798

BostonNagoya

BOS - NGO

BOSNGO

Boston Logan Intl

Wed 9/10

6:00 am-6:35 pm

2 stops23h 35m

Nagoya Chubu Centrair Intl

Thu 9/18

2:10 pm-9:30 am

2 stops32h 20m

$807

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Sun 8/31

6:00 am-7:10 pm

2 stops24h 10m

Osaka Itami

Thu 9/11

2:00 pm-10:39 pm

2 stops21h 39m

$807

BostonNagoya

BOS - NGO

BOSNGO

Boston Logan Intl

Tue 9/9

1:40 am-9:15 pm

1 stop30h 35m

Nagoya Chubu Centrair Intl

Thu 9/18

10:10 am-11:35 pm

1 stop26h 25m

$808

BostonFukuoka

BOS - FUK

BOSFUK

Boston Logan Intl

Mon 9/29

1:40 am-12:50 pm

1 stop22h 10m

Fukuoka

Tue 10/7

4:40 pm-11:00 pm

1 stop43h 20m

$837

BostonNagoya

BOS - NGO

BOSNGO

Boston Logan Intl

Sun 11/16

12:30 am-8:55 pm

1 stop30h 25m

Nagoya Chubu Centrair Intl

Mon 11/24

9:40 am-10:00 pm

1 stop26h 20m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Japan

What is the cheapest month to book a flight from Boston to Japan?

Currently, February is the cheapest month in which you can book a flight from Boston to Japan (average of $889). Flying from Boston to Japan in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to JP?

Find hourly flight availability from Boston to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from Boston to Japan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated August 18, 2025.
Peruse reviews from past customers who have flown with ANA, Japan Airlines, and Delta from Boston to Japan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
933 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
933 reviews
ANA
8.4
Very good
933 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Japan Airlines
8.3
Very good
1,550 reviews
ANA
8.4
Very good
933 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Delta
8.0
Very good
7,981 reviews
ANA
8.4
Very good
933 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
United Airlines
7.4
Good
8,925 reviews
ANA
8.4
Very good
933 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Air Canada
7.1
Good
9,992 reviews
ANA
8.4
Very good
933 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Related info for your journey

Find useful and relevant information for your journey from Boston to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Japan?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Japan from Boston.

  • How long is the flight from Boston to Japan?

    There are many flights that can get you from Boston to Japan in 30h 35m. Fly via Air Canada, Cathay Pacific, or Korean Air to get the fastest option. The distance from Boston to Japan is about 6814 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boston to Japan one-way?

    The cheapest airlines for a one-way flight from Boston to Japan are Air Canada ($462), Korean Air ($553), and ANA ($572).

  • What are the most popular routes from Boston to Japan?

    When deciding which route to take from Boston to Japan consider Boston Logan Intl - Tokyo Narita, Boston Logan Intl - Tokyo Haneda or Boston Logan Intl - Osaka Kansai Intl as they are the most popular.

  • Can I find deals for flights from Boston to Japan that include hotel bookings?

    Yes. In addition to deals on Boston to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Japan.

  • Can I find deals for business class flights from Boston to Japan?

    Yes. Cheapflights offers flight deals from Boston to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Japan?

    Currently, February is the cheapest month in which you can book a flight from Boston to Japan (average of $889). Flying from Boston to Japan in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 10 airlines flying from Boston to Japan

Discover the top 10 airlines that operate flights from Boston to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$228Average$308FlexibilityNo cancel feeOn-time62%
Singapore AirlinesCheapest$568Average$792FlexibilityNo cancel feeOn-time81%
ANACheapest$757Average$1,246FlexibilityNo cancel feeOn-time80%
Air CanadaCheapest$762Average$1,175FlexibilityNo cancel feeOn-time67%
DeltaCheapest$793Average$1,292FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$842Average$1,122FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$860Average$1,294FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$998Average$1,263FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$1,220Average$1,891FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$1,290Average$2,673FlexibilityNo cancel feeOn-time71%

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