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$475+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FUK
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap 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 May 18, 2026.

This SmartFares deal was found by Cheapflights users on 5/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:40 pm
BOS
-
KIX
2 stops27h 55m
Hainan Airlines
Sat 11/282:35 pm
KIX
-
BOS
1 stop39h 45m
Hainan Airlines
Deal found 5/17$912
This Justfly.com deal was found by Cheapflights users on 5/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:40 pm
BOS
-
KIX
2 stops29h 05m
Hainan Airlines
Sat 9/192:20 pm
KIX
-
BOS
1 stop39h 20m
Hainan Airlines
Deal found 5/13$969
This KAYAK deal was found by Cheapflights users on 5/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:40 pm
BOS
-
KIX
2 stops27h 55m
Hainan Airlines
Sat 11/282:35 pm
KIX
-
BOS
1 stop39h 45m
Hainan Airlines
Deal found 5/15$979
This SmartFares deal was found by Cheapflights users on 5/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:40 pm
BOS
-
KIX
2 stops29h 05m
Hainan Airlines
Sat 10/102:20 pm
KIX
-
BOS
1 stop39h 20m
Hainan Airlines
Deal found 5/14$1,042
This Trip.com deal was found by Cheapflights users on 5/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:40 pm
BOS
-
KIX
3 stops35h 55m
Multiple Airlines
Thu 11/127:35 am
KIX
-
BOS
2 stops46h 45m
Multiple Airlines
Deal found 5/16$1,078
This Cathay Pacific deal was found by Cheapflights users on 5/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:45 am
BOS
-
FUK
1 stop22h 00m
Cathay Pacific
Sun 9/274:40 pm
FUK
-
BOS
1 stop43h 25m
Cathay Pacific
Deal found 5/17$1,182
This Cathay Pacific deal was found by Cheapflights users on 5/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:45 am
BOS
-
CTS
1 stop24h 35m
Cathay Pacific
Wed 9/304:40 pm
CTS
-
BOS
1 stop43h 25m
Cathay Pacific
Deal found 5/17$1,183
This Cathay Pacific deal was found by Cheapflights users on 5/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:45 am
BOS
-
KIX
1 stop24h 25m
Cathay Pacific
Wed 9/239:05 am
KIX
-
BOS
1 stop27h 00m
Cathay Pacific
Deal found 5/16$1,189
This Justfly.com deal was found by Cheapflights users on 5/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 am
BOS
-
KIX
2 stops40h 40m
China Eastern
Sun 9/132:20 pm
KIX
-
BOS
2 stops46h 38m
China Eastern
Deal found 5/16$1,212
This Mytrip deal was found by Cheapflights users on 5/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:40 pm
BOS
-
KIX
2 stops29h 05m
Multiple Airlines
Sat 9/267:45 am
KIX
-
BOS
3 stops37h 59m
Multiple Airlines
Deal found 5/13$1,222
This Cathay Pacific deal was found by Cheapflights users on 5/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:45 am
BOS
-
CTS
1 stop24h 35m
Cathay Pacific
Sun 9/274:40 pm
CTS
-
BOS
1 stop43h 25m
Cathay Pacific
Deal found 5/17$1,226
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:45 am
BOS
-
CTS
1 stop24h 35m
Cathay Pacific
Tue 9/224:40 pm
CTS
-
BOS
1 stop43h 25m
Cathay Pacific
Deal found 5/14$1,227

Find flight deals from Boston to Japan

Keep the following information in mind while searching for Boston to Japan flight deals. Data was last updated May 18, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$969
(Justfly.com)

One-way from

$475
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$1,389

Good round-trip deal

$1,226 or less

Good one-way deal

$588 or less
Provider with most accurate pricing for Boston Logan Intl-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Tokyo (TYO) flights.
Search Deals
From Boston Logan Intl to Japan
Search Deals
One-way flight from Boston Logan Intl to Japan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Japan.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Japan.
Search Deals

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 May 18, 2026.
Use the filters below to find and compare flights from Boston to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonFukuoka

BOS - FUK

BOSFUK

Boston Logan Intl

Wed 9/16

1:45 am-12:45 pm

1 stop22h 00m

Fukuoka

Sun 9/27

4:40 pm-11:05 pm

1 stop43h 25m

$1,182

BostonSapporo

BOS - CTS

BOSCTS

Boston Logan Intl

Tue 9/22

1:45 am-3:20 pm

1 stop24h 35m

Sapporo Chitose

Wed 9/30

4:40 pm-11:05 pm

1 stop43h 25m

$1,183

BostonSapporo

BOS - CTS

BOSCTS

Boston Logan Intl

Thu 9/3

1:45 am-3:20 pm

1 stop24h 35m

Sapporo Chitose

Sun 9/27

4:40 pm-11:05 pm

1 stop43h 25m

$1,226

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Thu 9/3

1:45 am-3:10 pm

1 stop24h 25m

Osaka Kansai Intl

Sun 9/13

6:30 pm-11:05 pm

1 stop41h 35m

$1,239

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Mon 8/31

1:45 am-3:10 pm

1 stop24h 25m

Osaka Kansai Intl

Thu 10/1

6:30 pm-11:05 pm

1 stop41h 35m

$1,239

BostonTokyo

BOS - HND

BOSHND

Boston Logan Intl

Sun 8/9

9:07 am-4:15 pm

1 stop18h 08m

Tokyo Haneda

Tue 8/25

4:35 pm-1:25 am

2 stops21h 50m

$1,381

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Wed 8/19

7:30 am-5:05 pm

2 stops20h 35m

Osaka Itami

Tue 9/1

12:50 pm-1:14 am

2 stops25h 24m

$1,386

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Tue 8/18

7:30 am-5:05 pm

2 stops20h 35m

Osaka Itami

Wed 9/2

12:50 pm-9:59 pm

2 stops22h 09m

$1,386

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Wed 8/19

7:30 am-5:05 pm

2 stops20h 35m

Osaka Itami

Wed 9/2

12:50 pm-11:59 pm

3 stops24h 09m

$1,386

BostonSapporo

BOS - CTS

BOSCTS

Boston Logan Intl

Mon 8/31

1:55 pm-3:20 pm

2 stops36h 25m

Sapporo Chitose

Tue 9/22

4:20 pm-3:50 pm

2 stops36h 30m

$1,387

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Boston to Japan?

The best time to book flights from Boston to Japan is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $1,135). Flying from Boston to Japan in December is currently the most expensive (average of $2,627). 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 May 18, 2026.

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.

How often are flights from Boston to Japan delayed?

About 14% of weekly flights between Boston and Japan have experienced delays in the past year, with the average delay time being 124 minutes.

What is the most punctual flight time for Boston to Japan flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Japan flights?

Over the last year, Japan Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

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 May 18, 2026.
Peruse reviews from past customers who have flown with Japan Airlines,ANA, andDelta 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.
Japan Airlines
8.3
Very good
1,825 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very good
1,825 reviews
Japan Airlines
8.3
Very good
1,825 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
ANA
8.3
Very good
1,211 reviews
Japan Airlines
8.3
Very good
1,825 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Delta
7.9
Good
8,452 reviews
Japan Airlines
8.3
Very good
1,825 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
United Airlines
7.4
Good
9,731 reviews
Japan Airlines
8.3
Very good
1,825 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Air Canada
7.1
Good
11,062 reviews
Japan Airlines
8.3
Very good
1,825 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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 18h 08m. Fly via Cathay Pacific, Delta, or United Airlines to get the fastest option. The distance from Boston to Japan is about 6708 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 Alaska Airlines ($348), Air Canada ($419), and Korean Air ($442).

  • 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 $1,135). Flying from Boston to Japan in December is currently the most expensive (average of $2,627). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$189Average$232FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$724Average$1,152FlexibilityNo cancel feeOn-time67%
ANACheapest$796Average$1,269FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$833Average$1,157FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$874Average$1,287FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$997Average$1,430FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,083Average$1,543FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$1,098Average$1,192FlexibilityNo cancel feeOn-time60%
Japan AirlinesCheapest$1,282Average$2,150FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$1,392Average$2,299FlexibilityNo cancel feeOn-time71%

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